{"id":2360,"date":"2025-03-24T08:47:35","date_gmt":"2025-03-23T23:47:35","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=2360"},"modified":"2025-03-24T08:47:58","modified_gmt":"2025-03-23T23:47:58","slug":"%e3%80%90%e4%bf%9d%e5%ae%88%e6%80%a7%e6%8a%9c%e7%be%a4%e3%80%91terraform%e3%81%a7vpc%e3%82%92%e6%a7%8b%e7%af%89%e3%81%99%e3%82%8b%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%892024-%e3%80%9c%e3%83%99","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=2360","title":{"rendered":"\u3010\u4fdd\u5b88\u6027\u629c\u7fa4\u3011Terraform\u3067VPC\u3092\u69cb\u7bc9\u3059\u308b\u5b8c\u5168\u30ac\u30a4\u30c92024 \u301c\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b97\u9078\u3082\u89e3\u8aac\u301c"},"content":{"rendered":"\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>116<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>121<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>128<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"\u76ee\u6b21\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <a href=\"#i-0\">Terraform\u3067VPC\u69cb\u7bc9\u304c\u5fc5\u8981\u306a\u80cc\u666f<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">\u624b\u52d5\u69cb\u7bc9vs\u81ea\u52d5\u69cb\u7bc9\u306e\u30e1\u30ea\u30c3\u30c8\u30fb\u5bfe\u7b56<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-4\">\u306a\u305cTerraform\u3092\u9078\u3076\u3079\u304d\u306a\u306e\u304b<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-6\">Terraform\u3092\u4f7f\u3063\u305fVPC\u69cb\u7bc9\u306e\u57fa\u790e\u77e5\u8b58<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-7\">VPC\u306e\u57fa\u672c\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u5f79\u5272<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-14\">Terraform\u306e\u57fa\u672c\u7684\u306a\u66f8\u304d\u65b9\u3068\u6587\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-21\">Terraform \u3067\u306e VPC \u69cb\u7bc9\u624b\u9806\u3092\u5fb9\u5e95\u89e3\u8aac<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-22\">VPC \u306e\u57fa\u672c\u8a2d\u5b9a\u3092\u5b9f\u88c5\u3059\u308b<\/a>      <\/li>      <li>        <a href=\"#i-27\">\u30b5\u30d6\u30cd\u30c3\u30c8\u3092\u6b63\u3057\u304f\u69cb\u6210\u3059\u308b<\/a>      <\/li>      <li>        <a href=\"#i-30\">\u30eb\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb\u3092\u8a2d\u5b9a\u3059\u308b<\/a>      <\/li>      <li>        <a href=\"#i-31\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u8ffd\u52a0\u3059\u308b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-32\">\u5b9f\u88c5\u306e\u30dd\u30a4\u30f3\u30c8<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-33\">VPC\u69cb\u7bc9\u306b\u304a\u3051\u308b\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b97\u9078<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-34\">1. \u6b63\u3057\u3044CIDR\u30d6\u30ed\u30c3\u30af\u306e\u8a2d\u8a08\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-37\">2. \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u306e\u52b9\u679c\u7684\u306a\u7ba1\u7406\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-38\">3. \u5909\u6570\u3092\u4f7f\u3063\u305f\u67d4\u8edf\u306a\u8a2d\u5b9a\u7ba1\u7406<\/a>      <\/li>      <li>        <a href=\"#i-39\">4. \u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u306b\u3088\u308b\u518d\u5229\u7528\u6027\u306e\u5411\u4e0a<\/a>      <\/li>      <li>        <a href=\"#i-40\">5. \u30bf\u30b0\u4ed8\u3051\u306b\u3088\u308b\u52b9\u7387\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406<\/a>      <\/li>      <li>        <a href=\"#i-41\">6. \u30b3\u30b9\u30c8\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u30b5\u30d6\u30cd\u30c3\u30c8\u8a2d\u8a08<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-42\">7. \u904b\u7528\u3092\u898b\u636e\u3048\u305f\u30ed\u30b0\u8a2d\u5b9a\u306e\u5b9f\u88c5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-43\">\u5b9f\u8df5\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3068\u5b9f\u88c5\u4f8b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-44\">\u30de\u30eb\u30c1AZ\u69cb\u6210\u306eVPC\u5b9f\u88c5\u4f8b<\/a>      <\/li>      <li>        <a href=\"#i-45\">\u958b\u767a\u74b0\u5883\u3068\u672c\u756a\u74b0\u5883\u306e\u5206\u96e2\u4f8b<\/a>      <\/li>      <li>        <a href=\"#i-46\">VPC\u30d4\u30a2\u30ea\u30f3\u30b0\u3068\u306e\u63a5\u7d9a\u8a2d\u5b9a\u4f8b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-47\">\u5b9f\u88c5\u306e\u30dd\u30a4\u30f3\u30c8\u3068\u6ce8\u610f\u4e8b\u9805<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-48\">\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u30c7\u30d0\u30c3\u30b0\u624b\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-49\">\u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc\u3068\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-53\">\u52b9\u7387\u7684\u306a\u30c7\u30d0\u30c3\u30b0\u306e\u9032\u3081\u65b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-58\">\u30c7\u30d0\u30c3\u30b0\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-59\">\u767a\u5c55\u7684\u306a\u30c8\u30d4\u30c3\u30af\u3068\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-60\">CI\/CD \u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3068\u306e\u7d71\u5408\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-62\">\u5927\u898f\u6a21\u74b0\u5883\u3067\u306e\u7ba1\u7406\u624b\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-66\">\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/a>      <\/li>    <\/ul>  <\/li><\/ul>\n      <a href=\"#\" class=\"sgb-toc-button js-toc-button\" rel=\"nofollow\" data-open-dialog=\"true\"><i class=\"fa fa-list\"><\/i><span class=\"sgb-toc-button__text\">\u76ee\u6b21\u3078<\/span><\/a>\n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-0\">Terraform\u3067VPC\u69cb\u7bc9\u304c\u5fc5\u8981\u306a\u80cc\u666f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">\u624b\u52d5\u69cb\u7bc9vs\u81ea\u52d5\u69cb\u7bc9\u306e\u30e1\u30ea\u30c3\u30c8\u30fb\u5bfe\u7b56<\/h3>\n\n\n\n<p>\u30af\u30e9\u30a6\u30c9\u30a4\u30f3\u30d5\u30e9\u306e\u69cb\u7bc9\u65b9\u6cd5\u306f\u3001\u5927\u304d\u304f\u5206\u3051\u3066\u624b\u52d5\u69cb\u7bc9\u3068\u81ea\u52d5\u69cb\u7bc9\u306e2\u3064\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u7279\u5fb4\u3092\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-2\">\u624b\u52d5\u69cb\u7bc9\u306e\u7279\u5fb4\u3068\u8ab2\u984c<\/h4>\n\n\n\n<p>\u624b\u52d5\u69cb\u7bc9\u306f\u3001AWS\u30de\u30cd\u30b8\u30e1\u30f3\u30c8\u30b3\u30f3\u30bd\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066VPC\u3092\u69cb\u7bc9\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>\u30e1\u30ea\u30c3\u30c8\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u76f4\u611f\u7684\u306aUI\u64cd\u4f5c\u3067\u521d\u5fc3\u8005\u3067\u3082\u59cb\u3081\u3084\u3059\u3044<\/li>\n\n\n\n<li>\u5909\u66f4\u306e\u5373\u6642\u53cd\u6620\u304c\u53ef\u80fd<\/li>\n\n\n\n<li>\u5c0f\u898f\u6a21\u74b0\u5883\u3067\u306f\u67d4\u8edf\u306a\u5bfe\u5fdc\u304c\u53ef\u80fd<\/li>\n<\/ul>\n\n\n\n<p><strong>\u8ab2\u984c\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4eba\u70ba\u7684\u30df\u30b9\u306e\u30ea\u30b9\u30af\u304c\u9ad8\u3044<\/li>\n\n\n\n<li>\u69cb\u7bc9\u624b\u9806\u306e\u518d\u73fe\u304c\u56f0\u96e3<\/li>\n\n\n\n<li>\u74b0\u5883\u9593\u306e\u4e00\u8cab\u6027\u7dad\u6301\u304c\u96e3\u3057\u3044<\/li>\n\n\n\n<li>\u5909\u66f4\u5c65\u6b74\u306e\u7ba1\u7406\u304c\u7169\u96d1<\/li>\n\n\n\n<li>\u30b9\u30b1\u30fc\u30eb\u3059\u308b\u74b0\u5883\u3067\u306f\u4f5c\u696d\u30b3\u30b9\u30c8\u304c\u6307\u6570\u95a2\u6570\u7684\u306b\u5897\u52a0<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-3\">\u81ea\u52d5\u69cb\u7bc9\u306e\u30e1\u30ea\u30c3\u30c8<\/h4>\n\n\n\n<p>Infrastructure as Code\uff08IaC\uff09\u3092\u7528\u3044\u305f\u81ea\u52d5\u69cb\u7bc9\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u660e\u78ba\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4e00\u8cab\u6027\u306e\u78ba\u4fdd<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u74b0\u5883\u9593\u306e\u8a2d\u5b9a\u5dee\u7570\u3092\u6392\u9664<\/li>\n\n\n\n<li>\u6a19\u6e96\u5316\u3055\u308c\u305f\u30a4\u30f3\u30d5\u30e9\u69cb\u7bc9\u304c\u53ef\u80fd<\/li>\n\n\n\n<li>\u4eba\u70ba\u7684\u30df\u30b9\u306e\u5927\u5e45\u306a\u524a\u6e1b<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u306e\u5b9f\u73fe<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Git\u306a\u3069\u3067\u30a4\u30f3\u30d5\u30e9\u306e\u5909\u66f4\u5c65\u6b74\u3092\u7ba1\u7406<\/li>\n\n\n\n<li>\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u304c\u5bb9\u6613<\/li>\n\n\n\n<li>\u30c1\u30fc\u30e0\u9593\u3067\u306e\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u304c\u53ef\u80fd<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u81ea\u52d5\u5316\u306b\u3088\u308b\u52b9\u7387\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7e70\u308a\u8fd4\u3057\u4f5c\u696d\u306e\u81ea\u52d5\u5316<\/li>\n\n\n\n<li>\u5927\u898f\u6a21\u74b0\u5883\u3067\u306e\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/li>\n\n\n\n<li>\u30c7\u30d7\u30ed\u30a4\u30e1\u30f3\u30c8\u6642\u9593\u306e\u77ed\u7e2e<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">\u306a\u305cTerraform\u3092\u9078\u3076\u3079\u304d\u306a\u306e\u304b<\/h3>\n\n\n\n<p>AWS\u74b0\u5883\u306e\u81ea\u52d5\u69cb\u7bc9\u30c4\u30fc\u30eb\u306b\u306f\u3001CloudFormation\u3084Terraform\u3001AWS CDK\u306a\u3069\u8907\u6570\u306e\u9078\u629e\u80a2\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u4e2d\u3067Terraform\u304c\u9078\u3070\u308c\u308b\u7406\u7531\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-5\">Terraform\u306e\u4e3b\u8981\u306a\u5229\u70b9<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30de\u30eb\u30c1\u30af\u30e9\u30a6\u30c9\u5bfe\u5fdc<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>AWS\u4ee5\u5916\u306e\u30af\u30e9\u30a6\u30c9\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306b\u3082\u5bfe\u5fdc<\/li>\n\n\n\n<li>\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30af\u30e9\u30a6\u30c9\u74b0\u5883\u306e\u4e00\u5143\u7ba1\u7406\u304c\u53ef\u80fd<\/li>\n\n\n\n<li>\u30d9\u30f3\u30c0\u30fc\u30ed\u30c3\u30af\u30a4\u30f3\u306e\u56de\u907f<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5ba3\u8a00\u7684\u306a\u69cb\u6587<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   # Terraform\u306e\u5ba3\u8a00\u7684\u306a\u8a18\u8ff0\u4f8b\n   resource \"aws_vpc\" \"main\" {\n     cidr_block = \"10.0.0.0\/16\"\n\n     tags = {\n       Name = \"main\"\n       Environment = \"production\"\n     }\n   }<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u76f4\u611f\u7684\u3067\u7406\u89e3\u3057\u3084\u3059\u3044\u69cb\u6587<\/li>\n\n\n\n<li>\u30a4\u30f3\u30d5\u30e9\u306e\u72b6\u614b\u3092\u660e\u78ba\u306b\u5b9a\u7fa9<\/li>\n\n\n\n<li>\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u304c\u9ad8\u3044<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8c4a\u5bcc\u306a\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u30a8\u30b3\u30b7\u30b9\u30c6\u30e0<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u69d8\u3005\u306a\u30b5\u30fc\u30d3\u30b9\u306b\u5bfe\u5fdc\u3059\u308b\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc<\/li>\n\n\n\n<li>\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306b\u3088\u308b\u6d3b\u767a\u306a\u958b\u767a<\/li>\n\n\n\n<li>\u6700\u65b0\u6a5f\u80fd\u3078\u306e\u8fc5\u901f\u306a\u5bfe\u5fdc<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u72b6\u614b\u7ba1\u7406\u6a5f\u80fd<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>tfstate\u306b\u3088\u308b\u73fe\u5728\u306e\u72b6\u614b\u7ba1\u7406<\/li>\n\n\n\n<li>\u30ea\u30e2\u30fc\u30c8\u72b6\u614b\u7ba1\u7406\u306b\u3088\u308b\u30c1\u30fc\u30e0\u4f5c\u696d\u306e\u52b9\u7387\u5316<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u9593\u306e\u4f9d\u5b58\u95a2\u4fc2\u306e\u81ea\u52d5\u89e3\u6c7a<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d7\u30e9\u30f3\u30cb\u30f3\u30b0\u6a5f\u80fd<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">   # \u5909\u66f4\u5185\u5bb9\u306e\u4e8b\u524d\u78ba\u8a8d\n   terraform plan<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b9f\u884c\u524d\u306e\u5909\u66f4\u5185\u5bb9\u78ba\u8a8d\u304c\u53ef\u80fd<\/li>\n\n\n\n<li>\u610f\u56f3\u3057\u306a\u3044\u5909\u66f4\u306e\u9632\u6b62<\/li>\n\n\n\n<li>\u5b89\u5168\u306a\u30a4\u30f3\u30d5\u30e9\u66f4\u65b0\u306e\u5b9f\u73fe<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306a\u7279\u5fb4\u304b\u3089\u3001\u7279\u306b\u4f01\u696d\u306e\u672c\u756a\u74b0\u5883\u3067\u306e\u30a4\u30f3\u30d5\u30e9\u69cb\u7bc9\u30c4\u30fc\u30eb\u3068\u3057\u3066Terraform\u306f\u5e83\u304f\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5b9f\u969b\u306eVPC\u69cb\u7bc9\u306b\u5fc5\u8981\u306a\u57fa\u790e\u77e5\u8b58\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-6\">Terraform\u3092\u4f7f\u3063\u305fVPC\u69cb\u7bc9\u306e\u57fa\u790e\u77e5\u8b58<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-7\">VPC\u306e\u57fa\u672c\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u5f79\u5272<\/h3>\n\n\n\n<p>AWS\u306eVPC\uff08Virtual Private Cloud\uff09\u306f\u3001\u4ee5\u4e0b\u306e\u4e3b\u8981\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-8\">1. VPC\u672c\u4f53<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8ad6\u7406\u7684\u306b\u5206\u96e2\u3055\u308c\u305f\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7a7a\u9593<\/li>\n\n\n\n<li>CIDR\u30d6\u30ed\u30c3\u30af\u306b\u3088\u308bIP\u30a2\u30c9\u30ec\u30b9\u7bc4\u56f2\u306e\u5b9a\u7fa9<\/li>\n\n\n\n<li>\u30ea\u30fc\u30b8\u30e7\u30f3\u5185\u3067\u306e\u5c55\u958b<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-9\">2. \u30b5\u30d6\u30cd\u30c3\u30c8<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>VPC\u5185\u306e\u8907\u6570\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30b0\u30e1\u30f3\u30c8<\/li>\n\n\n\n<li>\u30d1\u30d6\u30ea\u30c3\u30af\/\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u306e\u7528\u9014\u5225\u8a2d\u8a08<\/li>\n\n\n\n<li>\u30a2\u30d9\u30a4\u30e9\u30d3\u30ea\u30c6\u30a3\u30be\u30fc\u30f3\uff08AZ\uff09\u3068\u306e\u7d10\u4ed8\u3051<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-10\">3. \u30eb\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u7d4c\u8def\u5236\u5fa1<\/li>\n\n\n\n<li>\u30b5\u30d6\u30cd\u30c3\u30c8\u3054\u3068\u306e\u901a\u4fe1\u5236\u5fa1<\/li>\n\n\n\n<li>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3078\u306e\u7d4c\u8def\u8a2d\u5b9a<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-11\">4. \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>VPC\u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u9593\u306e\u901a\u4fe1\u3092\u53ef\u80fd\u306b\u3059\u308b<\/li>\n\n\n\n<li>\u30d1\u30d6\u30ea\u30c3\u30af\u30b5\u30d6\u30cd\u30c3\u30c8\u306e\u5916\u90e8\u63a5\u7d9a\u306b\u5fc5\u8981<\/li>\n\n\n\n<li>NAT\u6a5f\u80fd\u306e\u63d0\u4f9b<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-12\">5. \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30ec\u30d9\u30eb\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/li>\n\n\n\n<li>\u30a4\u30f3\u30d0\u30a6\u30f3\u30c9\/\u30a2\u30a6\u30c8\u30d0\u30a6\u30f3\u30c9\u30eb\u30fc\u30eb\u306e\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u30b9\u30c6\u30fc\u30c8\u30d5\u30eb\u306a\u901a\u4fe1\u5236\u5fa1<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-13\">6. \u30cd\u30c3\u30c8\u30ef\u30fc\u30afACL<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b5\u30d6\u30cd\u30c3\u30c8\u30ec\u30d9\u30eb\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb<\/li>\n\n\n\n<li>\u30b9\u30c6\u30fc\u30c8\u30ec\u30b9\u306a\u901a\u4fe1\u5236\u5fa1<\/li>\n\n\n\n<li>\u3088\u308a\u7d30\u304b\u3044\u5236\u5fa1\u304c\u53ef\u80fd<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">Terraform\u306e\u57fa\u672c\u7684\u306a\u66f8\u304d\u65b9\u3068\u6587\u6cd5<\/h3>\n\n\n\n<p>Terraform\u306e\u30b3\u30fc\u30c9\u306f\u3001HCL\uff08HashiCorp Configuration Language\uff09\u3067\u8a18\u8ff0\u3057\u307e\u3059\u3002\u57fa\u672c\u7684\u306a\u69cb\u6587\u8981\u7d20\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-15\">1. \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u8a2d\u5b9a<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># AWS\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u8a2d\u5b9a\nprovider \"aws\" {\n  region = \"ap-northeast-1\"  # \u6771\u4eac\u30ea\u30fc\u30b8\u30e7\u30f3\n}\n\n# \u30d0\u30fc\u30b8\u30e7\u30f3\u6307\u5b9a\nterraform {\n  required_providers {\n    aws = {\n      source  = \"hashicorp\/aws\"\n      version = \"~&gt; 4.0\"\n    }\n  }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-16\">2. \u30ea\u30bd\u30fc\u30b9\u306e\u5b9a\u7fa9<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># VPC\u30ea\u30bd\u30fc\u30b9\u306e\u5b9a\u7fa9\nresource \"aws_vpc\" \"main\" {\n  cidr_block           = \"10.0.0.0\/16\"\n  enable_dns_hostnames = true\n  enable_dns_support   = true\n\n  tags = {\n    Name = \"main-vpc\"\n  }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-17\">3. \u5909\u6570\u306e\u4f7f\u7528<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u5909\u6570\u306e\u5b9a\u7fa9\nvariable \"vpc_cidr\" {\n  description = \"VPC\u306eCIDR\u30d6\u30ed\u30c3\u30af\"\n  type        = string\n  default     = \"10.0.0.0\/16\"\n}\n\n# \u5909\u6570\u306e\u4f7f\u7528\nresource \"aws_vpc\" \"main\" {\n  cidr_block = var.vpc_cidr\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-18\">4. \u51fa\u529b\u5024\u306e\u5b9a\u7fa9<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># VPC ID\u306e\u51fa\u529b\noutput \"vpc_id\" {\n  description = \"\u4f5c\u6210\u3055\u308c\u305fVPC\u306eID\"\n  value       = aws_vpc.main.id\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-19\">5. \u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u306e\u5229\u7528<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u65e2\u5b58\u306eAZ\u306e\u60c5\u5831\u53d6\u5f97\ndata \"aws_availability_zones\" \"available\" {\n  state = \"available\"\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-20\">\u91cd\u8981\u306a\u6587\u6cd5\u30dd\u30a4\u30f3\u30c8<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d6\u30ed\u30c3\u30af\u69cb\u6587<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ea\u30bd\u30fc\u30b9\u3001\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u3001\u5909\u6570\u306a\u3069\u306f\u30d6\u30ed\u30c3\u30af\u3067\u5b9a\u7fa9<\/li>\n\n\n\n<li>\u6ce2\u62ec\u5f27{}\u3067\u56f2\u3093\u3067\u8a18\u8ff0<\/li>\n\n\n\n<li>\u30cd\u30b9\u30c8\u3057\u3066\u968e\u5c64\u69cb\u9020\u3092\u8868\u73fe\u53ef\u80fd<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5c5e\u6027\u306e\u6307\u5b9a<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ad\u30fc = \u5024\u306e\u5f62\u5f0f\u3067\u8a18\u8ff0<\/li>\n\n\n\n<li>\u6587\u5b57\u5217\u306f\u4e8c\u91cd\u5f15\u7528\u7b26\u3067\u56f2\u3080<\/li>\n\n\n\n<li>\u6570\u5024\u3084\u30d6\u30fc\u30eb\u5024\u306f\u5f15\u7528\u7b26\u4e0d\u8981<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u53c2\u7167\u65b9\u6cd5<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ea\u30bd\u30fc\u30b9\u53c2\u7167: <code>aws_vpc.main.id<\/code><\/li>\n\n\n\n<li>\u5909\u6570\u53c2\u7167: <code>var.vpc_cidr<\/code><\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u53c2\u7167: <code>data.aws_availability_zones.available.names<\/code><\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b3\u30e1\u30f3\u30c8<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>#<\/code> \u307e\u305f\u306f <code>\/\/<\/code> \u30671\u884c\u30b3\u30e1\u30f3\u30c8<\/li>\n\n\n\n<li><code>\/*<\/code> \u3068 <code>*\/<\/code> \u3067\u8907\u6570\u884c\u30b3\u30e1\u30f3\u30c8<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u57fa\u672c\u3092\u62bc\u3055\u3048\u305f\u4e0a\u3067\u3001\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u5b9f\u969b\u306eVPC\u69cb\u7bc9\u624b\u9806\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-21\">Terraform \u3067\u306e VPC \u69cb\u7bc9\u624b\u9806\u3092\u5fb9\u5e95\u89e3\u8aac<\/h2>\n\n\n\n<p>\u5b9f\u8df5\u7684\u306aVPC\u69cb\u7bc9\u306e\u624b\u9806\u3092\u3001\u6bb5\u968e\u7684\u306b\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u5404\u30b9\u30c6\u30c3\u30d7\u3067\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3082\u542b\u3081\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-22\">VPC \u306e\u57fa\u672c\u8a2d\u5b9a\u3092\u5b9f\u88c5\u3059\u308b<\/h3>\n\n\n\n<p>\u307e\u305a\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u57fa\u672c\u69cb\u9020\u3092\u8a2d\u5b9a\u3057\u3001VPC\u306e\u57fa\u672c\u8a2d\u5b9a\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-23\">1. \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u69cb\u9020\u306e\u4f5c\u6210<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">vpc-project\/\n\u251c\u2500\u2500 main.tf         # \u30e1\u30a4\u30f3\u306eTerraform\u8a2d\u5b9a\n\u251c\u2500\u2500 variables.tf    # \u5909\u6570\u5b9a\u7fa9\n\u251c\u2500\u2500 outputs.tf      # \u51fa\u529b\u5b9a\u7fa9\n\u2514\u2500\u2500 versions.tf     # \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3068\u30d0\u30fc\u30b8\u30e7\u30f3\u8a2d\u5b9a<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-24\">2. \u30d0\u30fc\u30b8\u30e7\u30f3\u8a2d\u5b9a\uff08versions.tf\uff09<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">terraform {\n  required_version = \"&gt;= 1.0.0\"\n  required_providers {\n    aws = {\n      source  = \"hashicorp\/aws\"\n      version = \"~&gt; 4.0\"\n    }\n  }\n}\n\nprovider \"aws\" {\n  region = var.aws_region\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-25\">3. \u5909\u6570\u5b9a\u7fa9\uff08variables.tf\uff09<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">variable \"aws_region\" {\n  description = \"AWS region\"\n  type        = string\n  default     = \"ap-northeast-1\"\n}\n\nvariable \"vpc_cidr\" {\n  description = \"CIDR block for VPC\"\n  type        = string\n  default     = \"10.0.0.0\/16\"\n}\n\nvariable \"environment\" {\n  description = \"Environment name\"\n  type        = string\n  default     = \"production\"\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-26\">4. VPC\u57fa\u672c\u8a2d\u5b9a\uff08main.tf\uff09<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">resource \"aws_vpc\" \"main\" {\n  cidr_block           = var.vpc_cidr\n  enable_dns_hostnames = true\n  enable_dns_support   = true\n\n  tags = {\n    Name        = \"${var.environment}-vpc\"\n    Environment = var.environment\n    Terraform   = \"true\"\n  }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-27\">\u30b5\u30d6\u30cd\u30c3\u30c8\u3092\u6b63\u3057\u304f\u69cb\u6210\u3059\u308b<\/h3>\n\n\n\n<p>VPC\u3092\u4f5c\u6210\u3057\u305f\u3089\u3001\u6b21\u306b\u30b5\u30d6\u30cd\u30c3\u30c8\u3092\u69cb\u6210\u3057\u307e\u3059\u3002\u30d1\u30d6\u30ea\u30c3\u30af\u30b5\u30d6\u30cd\u30c3\u30c8\u3068\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30b5\u30d6\u30cd\u30c3\u30c8\u3092\u8907\u6570\u306eAZ\u306b\u5c55\u958b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-28\">1. \u30b5\u30d6\u30cd\u30c3\u30c8\u7528\u306e\u5909\u6570\u8ffd\u52a0\uff08variables.tf\uff09<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">variable \"public_subnets\" {\n  description = \"CIDR blocks for public subnets\"\n  type        = list(string)\n  default     = [\"10.0.1.0\/24\", \"10.0.2.0\/24\"]\n}\n\nvariable \"private_subnets\" {\n  description = \"CIDR blocks for private subnets\"\n  type        = list(string)\n  default     = [\"10.0.11.0\/24\", \"10.0.12.0\/24\"]\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-29\">2. \u30b5\u30d6\u30cd\u30c3\u30c8\u306e\u4f5c\u6210\uff08main.tf\uff09<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># AZ\u306e\u53d6\u5f97\ndata \"aws_availability_zones\" \"available\" {\n  state = \"available\"\n}\n\n# \u30d1\u30d6\u30ea\u30c3\u30af\u30b5\u30d6\u30cd\u30c3\u30c8\nresource \"aws_subnet\" \"public\" {\n  count             = length(var.public_subnets)\n  vpc_id            = aws_vpc.main.id\n  cidr_block        = var.public_subnets[count.index]\n  availability_zone = data.aws_availability_zones.available.names[count.index]\n\n  map_public_ip_on_launch = true\n\n  tags = {\n    Name        = \"${var.environment}-public-${data.aws_availability_zones.available.names[count.index]}\"\n    Environment = var.environment\n    Terraform   = \"true\"\n    Type        = \"public\"\n  }\n}\n\n# \u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30b5\u30d6\u30cd\u30c3\u30c8\nresource \"aws_subnet\" \"private\" {\n  count             = length(var.private_subnets)\n  vpc_id            = aws_vpc.main.id\n  cidr_block        = var.private_subnets[count.index]\n  availability_zone = data.aws_availability_zones.available.names[count.index]\n\n  tags = {\n    Name        = \"${var.environment}-private-${data.aws_availability_zones.available.names[count.index]}\"\n    Environment = var.environment\n    Terraform   = \"true\"\n    Type        = \"private\"\n  }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-30\">\u30eb\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb\u3092\u8a2d\u5b9a\u3059\u308b<\/h3>\n\n\n\n<p>\u30b5\u30d6\u30cd\u30c3\u30c8\u306e\u901a\u4fe1\u7d4c\u8def\u3092\u5236\u5fa1\u3059\u308b\u305f\u3081\u306e\u30eb\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u30d1\u30d6\u30ea\u30c3\u30af\u30eb\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb\nresource \"aws_route_table\" \"public\" {\n  vpc_id = aws_vpc.main.id\n\n  tags = {\n    Name        = \"${var.environment}-public-rt\"\n    Environment = var.environment\n    Terraform   = \"true\"\n  }\n}\n\n# \u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30eb\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb\nresource \"aws_route_table\" \"private\" {\n  count  = length(var.private_subnets)\n  vpc_id = aws_vpc.main.id\n\n  tags = {\n    Name        = \"${var.environment}-private-rt-${count.index + 1}\"\n    Environment = var.environment\n    Terraform   = \"true\"\n  }\n}\n\n# \u30d1\u30d6\u30ea\u30c3\u30af\u30b5\u30d6\u30cd\u30c3\u30c8\u306e\u30eb\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb\u95a2\u9023\u4ed8\u3051\nresource \"aws_route_table_association\" \"public\" {\n  count          = length(var.public_subnets)\n  subnet_id      = aws_subnet.public[count.index].id\n  route_table_id = aws_route_table.public.id\n}\n\n# \u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30b5\u30d6\u30cd\u30c3\u30c8\u306e\u30eb\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb\u95a2\u9023\u4ed8\u3051\nresource \"aws_route_table_association\" \"private\" {\n  count          = length(var.private_subnets)\n  subnet_id      = aws_subnet.private[count.index].id\n  route_table_id = aws_route_table.private[count.index].id\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-31\">\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u8ffd\u52a0\u3059\u308b<\/h3>\n\n\n\n<p>\u6700\u5f8c\u306b\u3001VPC\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u8ffd\u52a0\u3057\u3001\u30d1\u30d6\u30ea\u30c3\u30af\u30b5\u30d6\u30cd\u30c3\u30c8\u304b\u3089\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u4f5c\u6210\nresource \"aws_internet_gateway\" \"main\" {\n  vpc_id = aws_vpc.main.id\n\n  tags = {\n    Name        = \"${var.environment}-igw\"\n    Environment = var.environment\n    Terraform   = \"true\"\n  }\n}\n\n# \u30d1\u30d6\u30ea\u30c3\u30af\u30eb\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3078\u306e\u30eb\u30fc\u30c8\u3092\u8ffd\u52a0\nresource \"aws_route\" \"public_internet_gateway\" {\n  route_table_id         = aws_route_table.public.id\n  destination_cidr_block = \"0.0.0.0\/0\"\n  gateway_id             = aws_internet_gateway.main.id\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-32\">\u5b9f\u88c5\u306e\u30dd\u30a4\u30f3\u30c8<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u306e\u6e96\u5099<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5404\u30ea\u30bd\u30fc\u30b9\u306f\u518d\u5229\u7528\u53ef\u80fd\u306a\u5f62\u3067\u5b9f\u88c5<\/li>\n\n\n\n<li>\u5909\u6570\u3092\u9069\u5207\u306b\u4f7f\u7528\u3057\u3066\u67d4\u8edf\u6027\u3092\u78ba\u4fdd<\/li>\n\n\n\n<li>\u30bf\u30b0\u4ed8\u3051\u306e\u4e00\u8cab\u6027\u3092\u7dad\u6301<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8003\u616e<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d1\u30d6\u30ea\u30c3\u30af\/\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30b5\u30d6\u30cd\u30c3\u30c8\u306e\u660e\u78ba\u306a\u5206\u96e2<\/li>\n\n\n\n<li>\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u30eb\u30fc\u30c8\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u30bf\u30b0\u306b\u3088\u308b\u7ba1\u7406\u306e\u5bb9\u6613\u3055<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8907\u6570AZ\u3078\u306e\u5c55\u958b<\/li>\n\n\n\n<li>\u30b5\u30d6\u30cd\u30c3\u30c8\u30b5\u30a4\u30ba\u306e\u9069\u5207\u306a\u8a2d\u8a08<\/li>\n\n\n\n<li>\u5c06\u6765\u306e\u62e1\u5f35\u3092\u8003\u616e\u3057\u305fCIDR\u8a2d\u8a08<\/li>\n<\/ul>\n\n\n\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u306e\u57fa\u672c\u5b9f\u88c5\u3092\u30d9\u30fc\u30b9\u306b\u3001\u3088\u308a\u5177\u4f53\u7684\u306a\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-33\">VPC\u69cb\u7bc9\u306b\u304a\u3051\u308b\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b97\u9078<\/h2>\n\n\n\n<p>Terraform\u3067VPC\u3092\u69cb\u7bc9\u3059\u308b\u969b\u306e\u91cd\u8981\u306a\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u3001\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u4f8b\u3068\u5171\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-34\">1. \u6b63\u3057\u3044CIDR\u30d6\u30ed\u30c3\u30af\u306e\u8a2d\u8a08\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u52b9\u7387\u7684\u306aIP\u30a2\u30c9\u30ec\u30b9\u7ba1\u7406\u3068\u5c06\u6765\u306e\u62e1\u5f35\u6027\u3092\u8003\u616e\u3057\u305fCIDR\u30d6\u30ed\u30c3\u30af\u8a2d\u8a08\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-35\">\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># CIDR\u30d6\u30ed\u30c3\u30af\u8a2d\u8a08\u306e\u5909\u6570\u5b9a\u7fa9\nvariable \"vpc_cidr_blocks\" {\n  description = \"\u74b0\u5883\u3054\u3068\u306eVPC CIDR\u30d6\u30ed\u30c3\u30af\"\n  type = map(object({\n    vpc_cidr        = string\n    public_cidrs    = list(string)\n    private_cidrs   = list(string)\n    database_cidrs  = list(string)\n  }))\n\n  default = {\n    development = {\n      vpc_cidr       = \"10.0.0.0\/16\"\n      public_cidrs   = [\"10.0.1.0\/24\", \"10.0.2.0\/24\"]\n      private_cidrs  = [\"10.0.11.0\/24\", \"10.0.12.0\/24\"]\n      database_cidrs = [\"10.0.21.0\/24\", \"10.0.22.0\/24\"]\n    }\n    production = {\n      vpc_cidr       = \"172.16.0.0\/16\"\n      public_cidrs   = [\"172.16.1.0\/24\", \"172.16.2.0\/24\"]\n      private_cidrs  = [\"172.16.11.0\/24\", \"172.16.12.0\/24\"]\n      database_cidrs = [\"172.16.21.0\/24\", \"172.16.22.0\/24\"]\n    }\n  }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-36\">\u8a2d\u8a08\u306e\u30dd\u30a4\u30f3\u30c8<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u74b0\u5883\u3054\u3068\u306b\u91cd\u8907\u3057\u306a\u3044CIDR\u7bc4\u56f2\u3092\u4f7f\u7528<\/li>\n\n\n\n<li>\u30b5\u30d6\u30cd\u30c3\u30c8\u9593\u3067\u5341\u5206\u306aIP\u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u3092\u78ba\u4fdd<\/li>\n\n\n\n<li>\u5c06\u6765\u306e\u62e1\u5f35\u6027\u3092\u8003\u616e\u3057\u305f\u30b5\u30a4\u30ba\u8a2d\u8a08<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-37\">2. \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u306e\u52b9\u679c\u7684\u306a\u7ba1\u7406\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u306f\u6700\u5c0f\u6a29\u9650\u306e\u539f\u5247\u306b\u5f93\u3063\u3066\u8a2d\u8a08\u3057\u3001\u518d\u5229\u7528\u53ef\u80fd\u306a\u5f62\u3067\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u5171\u901a\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u30eb\u30fc\u30eb\nlocals {\n  common_tags = {\n    Environment = var.environment\n    Terraform   = \"true\"\n  }\n\n  security_rules = {\n    web = {\n      name        = \"web\"\n      description = \"Web tier security group\"\n      ingress = [\n        {\n          description = \"HTTP from anywhere\"\n          from_port   = 80\n          to_port     = 80\n          protocol    = \"tcp\"\n          cidr_blocks = [\"0.0.0.0\/0\"]\n        },\n        {\n          description = \"HTTPS from anywhere\"\n          from_port   = 443\n          to_port     = 443\n          protocol    = \"tcp\"\n          cidr_blocks = [\"0.0.0.0\/0\"]\n        }\n      ]\n    }\n    app = {\n      name        = \"app\"\n      description = \"Application tier security group\"\n      ingress = [\n        {\n          description     = \"HTTP from web tier\"\n          from_port       = 8080\n          to_port         = 8080\n          protocol        = \"tcp\"\n          security_groups = [aws_security_group.web.id]\n        }\n      ]\n    }\n  }\n}\n\n# \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u306e\u52d5\u7684\u751f\u6210\nresource \"aws_security_group\" \"this\" {\n  for_each = local.security_rules\n\n  name_prefix = \"${var.environment}-${each.value.name}\"\n  vpc_id      = aws_vpc.main.id\n  description = each.value.description\n\n  dynamic \"ingress\" {\n    for_each = each.value.ingress\n    content {\n      description     = ingress.value.description\n      from_port       = ingress.value.from_port\n      to_port         = ingress.value.to_port\n      protocol        = ingress.value.protocol\n      cidr_blocks     = lookup(ingress.value, \"cidr_blocks\", null)\n      security_groups = lookup(ingress.value, \"security_groups\", null)\n    }\n  }\n\n  egress {\n    from_port   = 0\n    to_port     = 0\n    protocol    = \"-1\"\n    cidr_blocks = [\"0.0.0.0\/0\"]\n  }\n\n  tags = merge(local.common_tags, {\n    Name = \"${var.environment}-${each.value.name}-sg\"\n  })\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-38\">3. \u5909\u6570\u3092\u4f7f\u3063\u305f\u67d4\u8edf\u306a\u8a2d\u5b9a\u7ba1\u7406<\/h3>\n\n\n\n<p>\u74b0\u5883\u3084\u8981\u4ef6\u306e\u5909\u66f4\u306b\u67d4\u8edf\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u5909\u6570\u8a2d\u8a08\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># terraform.tfvars\nvariable \"vpc_config\" {\n  description = \"VPC configuration\"\n  type = object({\n    cidr_block          = string\n    enable_dns_support  = bool\n    enable_dns_hostnames = bool\n    instance_tenancy    = string\n    azs                 = list(string)\n    subnet_config       = map(object({\n      cidr_blocks = list(string)\n      public      = bool\n      tags        = map(string)\n    }))\n  })\n\n  default = {\n    cidr_block           = \"10.0.0.0\/16\"\n    enable_dns_support   = true\n    enable_dns_hostnames = true\n    instance_tenancy     = \"default\"\n    azs                  = [\"ap-northeast-1a\", \"ap-northeast-1c\"]\n    subnet_config = {\n      public = {\n        cidr_blocks = [\"10.0.1.0\/24\", \"10.0.2.0\/24\"]\n        public      = true\n        tags        = { Tier = \"Public\" }\n      }\n      private = {\n        cidr_blocks = [\"10.0.11.0\/24\", \"10.0.12.0\/24\"]\n        public      = false\n        tags        = { Tier = \"Private\" }\n      }\n    }\n  }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-39\">4. \u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u306b\u3088\u308b\u518d\u5229\u7528\u6027\u306e\u5411\u4e0a<\/h3>\n\n\n\n<p>VPC\u69cb\u7bc9\u306e\u30ed\u30b8\u30c3\u30af\u3092\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u3057\u3001\u518d\u5229\u7528\u53ef\u80fd\u306a\u5f62\u3067\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># modules\/vpc\/main.tf\nmodule \"vpc\" {\n  source = \".\/modules\/vpc\"\n\n  # VPC\u57fa\u672c\u8a2d\u5b9a\n  vpc_config = var.vpc_config\n  environment = var.environment\n\n  # \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\n  enable_nat_gateway = true\n  single_nat_gateway = var.environment != \"production\"\n\n  # \u30bf\u30b0\u8a2d\u5b9a\n  tags = local.common_tags\n}\n\n# \u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u4f7f\u7528\u4f8b\nmodule \"vpc_prod\" {\n  source = \".\/modules\/vpc\"\n\n  vpc_config = {\n    cidr_block = \"10.0.0.0\/16\"\n    # ... \u305d\u306e\u4ed6\u306e\u8a2d\u5b9a\n  }\n  environment = \"production\"\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-40\">5. \u30bf\u30b0\u4ed8\u3051\u306b\u3088\u308b\u52b9\u7387\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406<\/h3>\n\n\n\n<p>\u4e00\u8cab\u6027\u306e\u3042\u308b\u30bf\u30b0\u4ed8\u3051\u3092\u5b9f\u88c5\u3057\u3001\u30ea\u30bd\u30fc\u30b9\u306e\u7ba1\u7406\u3068\u8ffd\u8de1\u3092\u5bb9\u6613\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u30bf\u30b0\u7ba1\u7406\u306e\u5b9f\u88c5\nlocals {\n  mandatory_tags = {\n    Environment = var.environment\n    Project     = var.project_name\n    Terraform   = \"true\"\n    Owner       = var.owner\n  }\n\n  resource_tags = {\n    vpc = merge(local.mandatory_tags, {\n      ResourceType = \"VPC\"\n    })\n    subnet = merge(local.mandatory_tags, {\n      ResourceType = \"Subnet\"\n    })\n  }\n}\n\n# \u30bf\u30b0\u306e\u9069\u7528\u4f8b\nresource \"aws_vpc\" \"main\" {\n  # ... VPC\u8a2d\u5b9a\n\n  tags = merge(\n    local.resource_tags.vpc,\n    {\n      Name = \"${var.environment}-vpc\"\n    }\n  )\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-41\">6. \u30b3\u30b9\u30c8\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u30b5\u30d6\u30cd\u30c3\u30c8\u8a2d\u8a08<\/h3>\n\n\n\n<p>\u30b3\u30b9\u30c8\u3092\u8003\u616e\u3057\u305f\u30b5\u30d6\u30cd\u30c3\u30c8\u8a2d\u8a08\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u30b3\u30b9\u30c8\u6700\u9069\u5316\u3092\u8003\u616e\u3057\u305f\u30b5\u30d6\u30cd\u30c3\u30c8\u8a2d\u8a08\nlocals {\n  az_count = length(data.aws_availability_zones.available.names)\n\n  # \u30b3\u30b9\u30c8\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u30b5\u30d6\u30cd\u30c3\u30c8\u8a2d\u5b9a\n  subnet_config = {\n    production = {\n      public_subnets   = slice(cidrsubnets(var.vpc_cidr, 4, 4, 4, 4), 0, 2)\n      private_subnets  = slice(cidrsubnets(var.vpc_cidr, 4, 4, 4, 4), 2, 4)\n    }\n    development = {\n      public_subnets   = slice(cidrsubnets(var.vpc_cidr, 4, 4), 0, 1)\n      private_subnets  = slice(cidrsubnets(var.vpc_cidr, 4, 4), 1, 2)\n    }\n  }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-42\">7. \u904b\u7528\u3092\u898b\u636e\u3048\u305f\u30ed\u30b0\u8a2d\u5b9a\u306e\u5b9f\u88c5<\/h3>\n\n\n\n<p>VPC\u30d5\u30ed\u30fc\u30ed\u30b0\u3092\u9069\u5207\u306b\u8a2d\u5b9a\u3057\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3084\u76e3\u67fb\u306b\u5099\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># VPC\u30d5\u30ed\u30fc\u30ed\u30b0\u306e\u8a2d\u5b9a\nresource \"aws_flow_log\" \"main\" {\n  vpc_id          = aws_vpc.main.id\n  traffic_type    = \"ALL\"\n  iam_role_arn    = aws_iam_role.flow_log.arn\n  log_destination = aws_cloudwatch_log_group.flow_log.arn\n\n  tags = merge(local.mandatory_tags, {\n    Name = \"${var.environment}-vpc-flow-log\"\n  })\n}\n\n# CloudWatch\u30ed\u30b0\u30b0\u30eb\u30fc\u30d7\nresource \"aws_cloudwatch_log_group\" \"flow_log\" {\n  name              = \"\/aws\/vpc\/${var.environment}-flow-logs\"\n  retention_in_days = var.log_retention_days\n\n  tags = merge(local.mandatory_tags, {\n    Name = \"${var.environment}-vpc-flow-log-group\"\n  })\n}\n\n# \u30d5\u30ed\u30fc\u30ed\u30b0\u7528\u306eIAM\u30ed\u30fc\u30eb\nresource \"aws_iam_role\" \"flow_log\" {\n  name = \"${var.environment}-vpc-flow-log-role\"\n\n  assume_role_policy = jsonencode({\n    Version = \"2012-10-17\"\n    Statement = [\n      {\n        Action = \"sts:AssumeRole\"\n        Effect = \"Allow\"\n        Principal = {\n          Service = \"vpc-flow-logs.amazonaws.com\"\n        }\n      }\n    ]\n  })\n\n  tags = local.mandatory_tags\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4fdd\u5b88\u6027\u304c\u9ad8\u304f\u3001\u30bb\u30ad\u30e5\u30a2\u3067\u3001\u30b3\u30b9\u30c8\u52b9\u7387\u306e\u826f\u3044VPC\u74b0\u5883\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u6d3b\u7528\u3057\u305f\u5b9f\u8df5\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-43\">\u5b9f\u8df5\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3068\u5b9f\u88c5\u4f8b<\/h2>\n\n\n\n<p>\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u6d3b\u7528\u3067\u304d\u308b\u5177\u4f53\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3068\u3001\u305d\u306e\u5b9f\u88c5\u4f8b\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-44\">\u30de\u30eb\u30c1AZ\u69cb\u6210\u306eVPC\u5b9f\u88c5\u4f8b<\/h3>\n\n\n\n<p>\u53ef\u7528\u6027\u3068\u8010\u969c\u5bb3\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306e\u30de\u30eb\u30c1AZ\u69cb\u6210\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u30de\u30eb\u30c1AZ\u69cb\u6210\u306e\u57fa\u672c\u8a2d\u5b9a\nlocals {\n  azs = slice(data.aws_availability_zones.available.names, 0, 3)  # 3\u3064\u306eAZ\u3092\u4f7f\u7528\n\n  subnet_configs = {\n    public = {\n      cidrs = [\"10.0.1.0\/24\", \"10.0.2.0\/24\", \"10.0.3.0\/24\"]\n      tags  = { Tier = \"Public\" }\n    }\n    private_app = {\n      cidrs = [\"10.0.11.0\/24\", \"10.0.12.0\/24\", \"10.0.13.0\/24\"]\n      tags  = { Tier = \"Private-App\" }\n    }\n    private_db = {\n      cidrs = [\"10.0.21.0\/24\", \"10.0.22.0\/24\", \"10.0.23.0\/24\"]\n      tags  = { Tier = \"Private-DB\" }\n    }\n  }\n}\n\n# NAT Gateway per AZ\nresource \"aws_nat_gateway\" \"main\" {\n  count = length(local.azs)\n\n  allocation_id = aws_eip.nat[count.index].id\n  subnet_id     = aws_subnet.public[count.index].id\n\n  tags = merge(local.common_tags, {\n    Name = \"${var.environment}-nat-${local.azs[count.index]}\"\n  })\n\n  depends_on = [aws_internet_gateway.main]\n}\n\n# \u5404AZ\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30b5\u30d6\u30cd\u30c3\u30c8\u7528\u30eb\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb\nresource \"aws_route_table\" \"private\" {\n  count  = length(local.azs)\n  vpc_id = aws_vpc.main.id\n\n  route {\n    cidr_block     = \"0.0.0.0\/0\"\n    nat_gateway_id = aws_nat_gateway.main[count.index].id\n  }\n\n  tags = merge(local.common_tags, {\n    Name = \"${var.environment}-private-rt-${local.azs[count.index]}\"\n  })\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-45\">\u958b\u767a\u74b0\u5883\u3068\u672c\u756a\u74b0\u5883\u306e\u5206\u96e2\u4f8b<\/h3>\n\n\n\n<p>\u958b\u767a\u74b0\u5883\u3068\u672c\u756a\u74b0\u5883\u3092\u9069\u5207\u306b\u5206\u96e2\u3057\u3001\u305d\u308c\u305e\u308c\u306b\u6700\u9069\u306a\u8a2d\u5b9a\u3092\u9069\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u74b0\u5883\u5225\u306e\u8a2d\u5b9a\nlocals {\n  environments = {\n    development = {\n      vpc_cidr     = \"10.0.0.0\/16\"\n      az_count     = 2\n      nat_gateway  = \"single\"  # \u958b\u767a\u74b0\u5883\u306f\u5358\u4e00NAT Gateway\n      monitoring   = \"basic\"\n    }\n    production = {\n      vpc_cidr     = \"172.16.0.0\/16\"\n      az_count     = 3\n      nat_gateway  = \"multi\"   # \u672c\u756a\u74b0\u5883\u306f\u5404AZ\u306bNAT Gateway\n      monitoring   = \"detailed\"\n    }\n  }\n}\n\nmodule \"vpc\" {\n  source = \".\/modules\/vpc\"\n\n  for_each = local.environments\n\n  environment  = each.key\n  vpc_cidr     = each.value.vpc_cidr\n  az_count     = each.value.az_count\n  nat_strategy = each.value.nat_gateway\n\n  monitoring_config = {\n    flow_log_enabled = true\n    retention_days   = each.key == \"production\" ? 90 : 30\n    detailed_monitoring = each.value.monitoring == \"detailed\"\n  }\n\n  tags = merge(local.common_tags, {\n    Environment = each.key\n  })\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-46\">VPC\u30d4\u30a2\u30ea\u30f3\u30b0\u3068\u306e\u63a5\u7d9a\u8a2d\u5b9a\u4f8b<\/h3>\n\n\n\n<p>\u7570\u306a\u308bVPC\u9593\u306e\u901a\u4fe1\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306eVPC\u30d4\u30a2\u30ea\u30f3\u30b0\u8a2d\u5b9a\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># VPC\u30d4\u30a2\u30ea\u30f3\u30b0\u8a2d\u5b9a\nresource \"aws_vpc_peering_connection\" \"main\" {\n  vpc_id        = aws_vpc.main.id\n  peer_vpc_id   = var.peer_vpc_id\n  auto_accept   = var.same_account  # \u540c\u4e00\u30a2\u30ab\u30a6\u30f3\u30c8\u5185\u306e\u5834\u5408\u306f\u81ea\u52d5\u627f\u8a8d\n\n  tags = merge(local.common_tags, {\n    Name = \"${var.environment}-peering-connection\"\n  })\n}\n\n# \u30d4\u30a2\u30ea\u30f3\u30b0\u7528\u30eb\u30fc\u30c8\u8a2d\u5b9a\uff08\u30e1\u30a4\u30f3VPC\u5074\uff09\nresource \"aws_route\" \"main_to_peer\" {\n  count                     = length(aws_route_table.private)\n  route_table_id           = aws_route_table.private[count.index].id\n  destination_cidr_block   = var.peer_vpc_cidr\n  vpc_peering_connection_id = aws_vpc_peering_connection.main.id\n}\n\n# \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u306e\u76f8\u4e92\u901a\u4fe1\u8a31\u53ef\nresource \"aws_security_group_rule\" \"peer_access\" {\n  type              = \"ingress\"\n  from_port         = 0\n  to_port           = 0\n  protocol          = \"-1\"\n  cidr_blocks       = [var.peer_vpc_cidr]\n  security_group_id = aws_security_group.main.id\n\n  description = \"Allow all traffic from peered VPC\"\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-47\">\u5b9f\u88c5\u306e\u30dd\u30a4\u30f3\u30c8\u3068\u6ce8\u610f\u4e8b\u9805<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30de\u30eb\u30c1AZ\u69cb\u6210\u306e\u8003\u616e\u70b9<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5404AZ\u3078\u306e\u5747\u7b49\u306a\u30ea\u30bd\u30fc\u30b9\u914d\u7f6e<\/li>\n\n\n\n<li>AZ\u969c\u5bb3\u3092\u8003\u616e\u3057\u305fNAT Gateway\u914d\u7f6e<\/li>\n\n\n\n<li>\u30b3\u30b9\u30c8\u3068\u306e\u9069\u5207\u306a\u30d0\u30e9\u30f3\u30b9<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u74b0\u5883\u5206\u96e2\u306e\u91cd\u8981\u30dd\u30a4\u30f3\u30c8<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u74b0\u5883\u3054\u3068\u306e\u9069\u5207\u306a\u30b5\u30a4\u30b8\u30f3\u30b0<\/li>\n\n\n\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30ec\u30d9\u30eb\u306e\u8abf\u6574<\/li>\n\n\n\n<li>\u30b3\u30b9\u30c8\u6700\u9069\u5316\u306e\u5b9f\u73fe<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>VPC\u30d4\u30a2\u30ea\u30f3\u30b0\u5b9f\u88c5\u6642\u306e\u6ce8\u610f\u70b9<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CIDR\u306e\u91cd\u8907\u3092\u907f\u3051\u308b<\/li>\n\n\n\n<li>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u8a2d\u5b9a\u306e\u78ba\u8a8d<\/li>\n\n\n\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u306e\u9069\u5207\u306a\u8a2d\u5b9a<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306f\u3001\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3088\u304f\u906d\u9047\u3059\u308b\u8981\u4ef6\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u5b9f\u88c5\u6642\u306b\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u30c8\u30e9\u30d6\u30eb\u3068\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-48\">\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u30c7\u30d0\u30c3\u30b0\u624b\u6cd5<\/h2>\n\n\n\n<p>Terraform\u3067\u306eVPC\u69cb\u7bc9\u6642\u306b\u3088\u304f\u906d\u9047\u3059\u308b\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5\u3001\u52b9\u7387\u7684\u306a\u30c7\u30d0\u30c3\u30b0\u624b\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-49\">\u3088\u304f\u3042\u308b\u30a8\u30e9\u30fc\u3068\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-50\">1. CIDR\u95a2\u9023\u306e\u30a8\u30e9\u30fc<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Error: error creating VPC: InvalidVpcRange: The CIDR '10.0.0.0\/8' is invalid.<\/pre>\n\n\n\n<p><strong>\u539f\u56e0\u3068\u89e3\u6c7a\u7b56<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>VPC\u306eCIDR\u30d6\u30ed\u30c3\u30af\u304c\u4e0d\u9069\u5207<\/li>\n\n\n\n<li>AWS VPC\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8IP\u30a2\u30c9\u30ec\u30b9\u7bc4\u56f2\u3092\u4f7f\u7528<\/li>\n\n\n\n<li>10.0.0.0\/16<\/li>\n\n\n\n<li>172.16.0.0\/12<\/li>\n\n\n\n<li>192.168.0.0\/16<\/li>\n<\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u6b63\u3057\u3044CIDR\u8a2d\u5b9a\u4f8b\nresource \"aws_vpc\" \"main\" {\n  cidr_block = \"10.0.0.0\/16\"  # \/8\u3067\u306f\u306a\u304f\/16\u3092\u4f7f\u7528\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-51\">2. \u4f9d\u5b58\u95a2\u4fc2\u306e\u30a8\u30e9\u30fc<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Error: Error creating NAT Gateway: NatGatewayLimitExceeded: The maximum number of NAT Gateways has been reached.<\/pre>\n\n\n\n<p><strong>\u89e3\u6c7a\u65b9\u6cd5<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u4f9d\u5b58\u95a2\u4fc2\u3092\u660e\u793a\u7684\u306b\u5b9a\u7fa9\nresource \"aws_nat_gateway\" \"main\" {\n  depends_on = [\n    aws_internet_gateway.main,\n    aws_eip.nat\n  ]\n\n  allocation_id = aws_eip.nat.id\n  subnet_id     = aws_subnet.public[0].id\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-52\">3. \u30eb\u30fc\u30c8\u30c6\u30fc\u30d6\u30eb\u306e\u8a2d\u5b9a\u30df\u30b9<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Error: Error creating route: RouteAlreadyExists: The route identified by 0.0.0.0\/0 already exists.<\/pre>\n\n\n\n<p><strong>\u30c7\u30d0\u30c3\u30b0\u3068\u89e3\u6c7a\u624b\u9806<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u65e2\u5b58\u306e\u30eb\u30fc\u30c8\u3092\u78ba\u8a8d<\/li>\n\n\n\n<li>\u91cd\u8907\u3059\u308b\u30eb\u30fc\u30c8\u3092\u524a\u9664<\/li>\n\n\n\n<li>\u65b0\u3057\u3044\u30eb\u30fc\u30c8\u3092\u8ffd\u52a0<\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u30eb\u30fc\u30c8\u306e\u4e00\u610f\u6027\u3092\u78ba\u4fdd\nresource \"aws_route\" \"public_internet_gateway\" {\n  route_table_id         = aws_route_table.public.id\n  destination_cidr_block = \"0.0.0.0\/0\"\n  gateway_id             = aws_internet_gateway.main.id\n\n  # \u65e2\u5b58\u306e\u30eb\u30fc\u30c8\u3092\u7f6e\u304d\u63db\u3048\n  replace_route = true\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-53\">\u52b9\u7387\u7684\u306a\u30c7\u30d0\u30c3\u30b0\u306e\u9032\u3081\u65b9<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-54\">1. Terraform\u306e\u30c7\u30d0\u30c3\u30b0\u30ed\u30b0\u6709\u52b9\u5316<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u30c7\u30d0\u30c3\u30b0\u30ed\u30b0\u306e\u6709\u52b9\u5316\nexport TF_LOG=DEBUG\nexport TF_LOG_PATH=.\/terraform.log\n\n# \u7279\u5b9a\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u307f\u30c7\u30d0\u30c3\u30b0\nexport TF_LOG_PROVIDER=DEBUG<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-55\">2. \u30d7\u30e9\u30f3\u30d5\u30a1\u30a4\u30eb\u306e\u6d3b\u7528<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u30d7\u30e9\u30f3\u30d5\u30a1\u30a4\u30eb\u306e\u751f\u6210\nterraform plan -out=tfplan\n\n# \u30d7\u30e9\u30f3\u306e\u8a73\u7d30\u78ba\u8a8d\nterraform show tfplan<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-56\">3. \u30b9\u30c6\u30fc\u30c8\u78ba\u8a8d\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u73fe\u5728\u306e\u30b9\u30c6\u30fc\u30c8\u78ba\u8a8d\nterraform state list\nterraform state show aws_vpc.main\n\n# \u7279\u5b9a\u30ea\u30bd\u30fc\u30b9\u306e\u518d\u4f5c\u6210\nterraform taint aws_nat_gateway.main<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-57\">4. \u3088\u304f\u3042\u308b\u30c8\u30e9\u30d6\u30eb\u306e\u9632\u6b62\u7b56<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>VPC\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306e\u8a2d\u5b9a\u78ba\u8a8d<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># S3 VPC\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u306e\u6b63\u3057\u3044\u8a2d\u5b9a\nresource \"aws_vpc_endpoint\" \"s3\" {\n  vpc_id       = aws_vpc.main.id\n  service_name = \"com.amazonaws.${var.region}.s3\"\n\n  route_table_ids = [\n    aws_route_table.private.id\n  ]\n\n  tags = merge(local.common_tags, {\n    Name = \"${var.environment}-s3-endpoint\"\n  })\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u306e\u30eb\u30fc\u30eb\u7af6\u5408\u9632\u6b62<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u660e\u793a\u7684\u306a\u30eb\u30fc\u30eb\u512a\u5148\u5ea6\u306e\u8a2d\u5b9a\nresource \"aws_security_group_rule\" \"example\" {\n  type              = \"ingress\"\n  from_port         = 443\n  to_port           = 443\n  protocol          = \"tcp\"\n  cidr_blocks       = [\"0.0.0.0\/0\"]\n  security_group_id = aws_security_group.main.id\n\n  # \u8aac\u660e\u3092\u4ed8\u3051\u3066\u8ffd\u8de1\u53ef\u80fd\u306b\n  description = \"HTTPS from internet\"\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30b5\u30d6\u30cd\u30c3\u30c8\u306e\u91cd\u8907\u9632\u6b62<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># CIDR\u306e\u91cd\u8907\u30c1\u30a7\u30c3\u30af\u7528\u306e\u30ed\u30fc\u30ab\u30eb\u5909\u6570\nlocals {\n  all_cidrs = concat(\n    var.public_subnets,\n    var.private_subnets,\n    var.database_subnets\n  )\n\n  # \u91cd\u8907\u30c1\u30a7\u30c3\u30af\n  has_duplicates = length(local.all_cidrs) != length(toset(local.all_cidrs))\n}\n\n# \u91cd\u8907\u6642\u306b\u30a8\u30e9\u30fc\u3092\u767a\u751f\nresource \"null_resource\" \"cidr_validation\" {\n  count = local.has_duplicates ? \"CIDR blocks must be unique\" : 0\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-58\">\u30c7\u30d0\u30c3\u30b0\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6bb5\u968e\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u57fa\u672c\u7684\u306aVPC\u69cb\u6210\u304b\u3089\u958b\u59cb<\/li>\n\n\n\n<li>\u6a5f\u80fd\u3092\u9806\u6b21\u8ffd\u52a0<\/li>\n\n\n\n<li>\u5404\u30b9\u30c6\u30c3\u30d7\u3067\u306e\u52d5\u4f5c\u78ba\u8a8d<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30ed\u30b0\u306e\u6d3b\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CloudWatch\u30ed\u30b0\u306e\u8a2d\u5b9a<\/li>\n\n\n\n<li>VPC\u30d5\u30ed\u30fc\u30ed\u30b0\u306e\u6709\u52b9\u5316<\/li>\n\n\n\n<li>Terraform\u30ed\u30b0\u306e\u4fdd\u5b58<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c6\u30b9\u30c8\u74b0\u5883\u306e\u6d3b\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u672c\u756a\u9069\u7528\u524d\u306e\u691c\u8a3c<\/li>\n\n\n\n<li>\u69d8\u3005\u306a\u30b7\u30ca\u30ea\u30aa\u306e\u30c6\u30b9\u30c8<\/li>\n\n\n\n<li>\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u624b\u9806\u306e\u78ba\u8a8d<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u624b\u6cd5\u3092\u7406\u89e3\u3057\u3001\u9069\u5207\u306b\u5b9f\u8df5\u3059\u308b\u3053\u3068\u3067\u3001VPC\u69cb\u7bc9\u6642\u306e\u554f\u984c\u3092\u52b9\u7387\u7684\u306b\u89e3\u6c7a\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3055\u3089\u306b\u767a\u5c55\u7684\u306a\u30c8\u30d4\u30c3\u30af\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-59\">\u767a\u5c55\u7684\u306a\u30c8\u30d4\u30c3\u30af\u3068\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-60\">CI\/CD \u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3068\u306e\u7d71\u5408\u65b9\u6cd5<\/h3>\n\n\n\n<p>Terraform\u3092CI\/CD\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306b\u7d71\u5408\u3057\u3001\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u7d99\u7d9a\u7684\u306a\u30c7\u30ea\u30d0\u30ea\u30fc\u3092\u5b9f\u73fe\u3059\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-61\">GitHubActions\u3067\u306e\u5b9f\u88c5\u4f8b<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># .github\/workflows\/terraform.yml\nname: 'Terraform CI\/CD'\n\non:\n  push:\n    branches: [ main ]\n  pull_request:\n    branches: [ main ]\n\njobs:\n  terraform:\n    name: 'Terraform'\n    runs-on: ubuntu-latest\n\n    steps:\n    - name: Checkout\n      uses: actions\/checkout@v2\n\n    - name: Setup Terraform\n      uses: hashicorp\/setup-terraform@v1\n      with:\n        terraform_version: 1.0.0\n\n    - name: Terraform Format\n      run: terraform fmt -check\n\n    - name: Terraform Init\n      run: terraform init\n      env:\n        AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}\n        AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}\n\n    - name: Terraform Plan\n      run: terraform plan -no-color\n      env:\n        AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}\n        AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}\n\n    - name: Terraform Apply\n      if: github.ref == 'refs\/heads\/main'\n      run: terraform apply -auto-approve\n      env:\n        AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}\n        AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-62\">\u5927\u898f\u6a21\u74b0\u5883\u3067\u306e\u7ba1\u7406\u624b\u6cd5<\/h3>\n\n\n\n<p>\u5927\u898f\u6a21\u306a\u74b0\u5883\u3067\u306eTerraform\u7ba1\u7406\u3092\u52b9\u7387\u5316\u3059\u308b\u305f\u3081\u306e\u624b\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-63\">1. Terragrunt\u306e\u6d3b\u7528<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># terragrunt.hcl\nremote_state {\n  backend = \"s3\"\n  config = {\n    bucket         = \"terraform-state-${get_aws_account_id()}\"\n    key            = \"${path_relative_to_include()}\/terraform.tfstate\"\n    region         = \"ap-northeast-1\"\n    encrypt        = true\n    dynamodb_table = \"terraform-locks\"\n  }\n}\n\ninputs = {\n  environment = \"production\"\n  aws_region = \"ap-northeast-1\"\n\n  vpc_config = {\n    cidr_block = \"10.0.0.0\/16\"\n    azs        = [\"ap-northeast-1a\", \"ap-northeast-1c\", \"ap-northeast-1d\"]\n  }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-64\">2. \u30ef\u30fc\u30af\u30b9\u30da\u30fc\u30b9\u7ba1\u7406<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># \u74b0\u5883\u3054\u3068\u306e\u30ef\u30fc\u30af\u30b9\u30da\u30fc\u30b9\u4f5c\u6210\nterraform workspace new production\nterraform workspace new staging\nterraform workspace new development\n\n# \u74b0\u5883\u5909\u6570\u306b\u3088\u308b\u8a2d\u5b9a\u5207\u308a\u66ff\u3048\nlocals {\n  environment_config = {\n    production = {\n      vpc_cidr = \"10.0.0.0\/16\"\n      az_count = 3\n    }\n    staging = {\n      vpc_cidr = \"172.16.0.0\/16\"\n      az_count = 2\n    }\n    development = {\n      vpc_cidr = \"192.168.0.0\/16\"\n      az_count = 2\n    }\n  }\n\n  config = local.environment_config[terraform.workspace]\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-65\">3. \u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">module \"vpc\" {\n  source  = \"terraform-aws-modules\/vpc\/aws\"\n  version = \"~&gt; 3.0\"\n\n  providers = {\n    aws = aws.production\n  }\n\n  name = \"production-vpc\"\n  cidr = local.config.vpc_cidr\n\n  azs             = slice(data.aws_availability_zones.available.names, 0, local.config.az_count)\n  private_subnets = [for i in range(local.config.az_count) : cidrsubnet(local.config.vpc_cidr, 8, i)]\n  public_subnets  = [for i in range(local.config.az_count) : cidrsubnet(local.config.vpc_cidr, 8, i + local.config.az_count)]\n\n  enable_nat_gateway   = true\n  enable_vpn_gateway   = true\n  enable_dns_hostnames = true\n  enable_dns_support   = true\n\n  tags = {\n    Environment = terraform.workspace\n    Terraform   = \"true\"\n  }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-66\">\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/h3>\n\n\n\n<p>VPC\u306e\u57fa\u76e4\u69cb\u7bc9\u5f8c\u306e\u767a\u5c55\u7684\u306a\u53d6\u308a\u7d44\u307f\u306b\u3064\u3044\u3066\u63d0\u6848\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306e\u30c6\u30b9\u30c8\u81ea\u52d5\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Terratest \u306e\u5c0e\u5165<\/li>\n\n\n\n<li>\u30dd\u30ea\u30b7\u30fc\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u30c1\u30a7\u30c3\u30af<\/li>\n\n\n\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b9\u30ad\u30e3\u30f3<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3068\u30a2\u30e9\u30fc\u30c8\u306e\u5f37\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CloudWatch \u30e1\u30c8\u30ea\u30af\u30b9\u306e\u8a73\u7d30\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u30ab\u30b9\u30bf\u30e0\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306e\u4f5c\u6210<\/li>\n\n\n\n<li>\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u5bfe\u5fdc\u306e\u81ea\u52d5\u5316<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b3\u30b9\u30c8\u6700\u9069\u5316\u306e\u5b9f\u8df5<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ea\u30bd\u30fc\u30b9\u30bf\u30b0\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u4f7f\u7528\u7387\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/li>\n\n\n\n<li>\u81ea\u52d5\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u306e\u5b9f\u88c5<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5f37\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>AWS Config Rules \u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u306e\u5b9a\u671f\u76e3\u67fb<\/li>\n\n\n\n<li>\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u8981\u4ef6\u3078\u306e\u5bfe\u5fdc<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u767a\u5c55\u7684\u306a\u30c8\u30d4\u30c3\u30af\u3092\u9806\u6b21\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u5805\u7262\u3067\u7ba1\u7406\u3057\u3084\u3059\u3044\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Warning: Undefined array key &#8220;is_admin&#8221; in \/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/ &#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":{"0":"post-2360","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-aws","7":"nothumb"},"_links":{"self":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/2360","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2360"}],"version-history":[{"count":1,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/2360\/revisions"}],"predecessor-version":[{"id":2361,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/2360\/revisions\/2361"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2360"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2360"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}