{"id":2324,"date":"2025-03-24T08:47:41","date_gmt":"2025-03-23T23:47:41","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=2324"},"modified":"2025-03-24T08:48:04","modified_gmt":"2025-03-23T23:48:04","slug":"%e3%80%90%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89%e3%80%91terraform%e3%81%ae%e6%9d%a1%e4%bb%b6%e5%88%86%e5%b2%907%e3%81%a4%e3%81%ae%e5%87%ba%e7%8f%be%e3%83%91%e3%82%bf%e3%83%bc%e3%83%b3","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=2324","title":{"rendered":"\u3010\u5b8c\u5168\u30ac\u30a4\u30c9\u3011Terraform\u306e\u6761\u4ef6\u5206\u5c907\u3064\u306e\u51fa\u73fe\u30d1\u30bf\u30fc\u30f3 | \u73fe\u5f79\u30a4\u30f3\u30d5\u30e9\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u89e3\u8aac"},"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\u3067\u6761\u4ef6\u5206\u5c90\u304c\u5fc5\u8981\u306b\u306a\u308b\u30b1\u30fc\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">\u672c\u756a\u74b0\u5883\u3068\u958b\u767a\u74b0\u5883\u3067\u8a2d\u5b9a\u3092\u5206\u3051\u305f\u3044\u5834\u5408\u306e\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-2\">\u30ea\u30bd\u30fc\u30b9\u306e\u8a2d\u5b9a\u3092\u74b0\u5883\u3067\u5236\u5fa1\u3059\u308b\u30e1\u30bd\u30c3\u30c9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-3\">Terraform\u3067\u306e\u6761\u4ef6\u5206\u5c90\u306e\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-4\">count\u6761\u4ef6\u4ed8\u304d\u30ea\u30bd\u30fc\u30b9\u4f5c\u6210\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/a>      <\/li>      <li>        <a href=\"#i-5\">for_each\u3092\u4f7f\u3063\u305f\u52d5\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u751f\u6210\u30e1\u30bd\u30c3\u30c9<\/a>      <\/li>      <li>        <a href=\"#i-6\">\u6761\u4ef6\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u305f\u5024\u306e\u52d5\u7684\u306a\u5207\u308a\u66ff\u3048\u65b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-7\">locals\u5909\u6570\u3092\u6d3b\u7528\u3057\u305f\u6761\u4ef6\u5206\u5c90\u306e\u5b9f\u88c5\u4f8b<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-8\">\u6761\u4ef6\u5206\u5c90\u306e\u5b9f\u88c5\u306b\u304a\u3051\u308b\u6ce8\u610f\u70b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-9\">\u53ef\u8aad\u6027\u3092\u91cd\u8996\u3057\u305f\u6761\u4ef6\u5206\u5c90\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-10\">\u6761\u4ef6\u5206\u5c90\u306b\u3088\u308b\u30b9\u30c6\u30fc\u30c8\u7ba1\u7406\u306e\u8907\u96d1\u5316\u3092\u9632\u3050\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-11\">\u5b9f\u8df5\u7684\u306a\u30b3\u30fc\u30c9\u4f8b\u3067\u5b66\u3076\u6761\u4ef6\u5206\u5c90<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-12\">\u672c\u756a\u30fb\u958b\u767a\u74b0\u5883\u3067\u7570\u306a\u308bEC2\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3059\u308b\u5b9f\u88c5\u4f8b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-13\">\u74b0\u5883\u5909\u6570\u306b\u5fdc\u3058\u3066RDS\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u30b9\u30da\u30c3\u30af\u3092\u5909\u66f4\u3059\u308b\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-14\">\u3088\u304f\u3042\u308b\u8cea\u554f\u3068\u56de\u7b54<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-15\">Terraform\u3067\u4f7f\u7528\u3067\u304d\u308b\u6761\u4ef6\u6f14\u7b97\u306e\u4e00\u89a7\u3068\u4f7f\u3044\u65b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-16\">\u6761\u4ef6\u5206\u5c90\u5b9f\u88c5\u6642\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u65b9\u6cd5<\/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\u3067\u6761\u4ef6\u5206\u5c90\u304c\u5fc5\u8981\u306b\u306a\u308b\u30b1\u30fc\u30b9<\/h2>\n\n\n\n<p>\u30a4\u30f3\u30d5\u30e9\u306e\u30b3\u30fc\u30c9\u5316\uff08IaC\uff09\u306b\u304a\u3044\u3066Terraform\u3092\u4f7f\u7528\u3059\u308b\u969b\u3001\u74b0\u5883\u3084\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u7570\u306a\u308b\u30ea\u30bd\u30fc\u30b9\u8a2d\u5b9a\u3092\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u983b\u7e41\u306b\u767a\u751f\u3057\u307e\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001Terraform\u3067\u6761\u4ef6\u5206\u5c90\u304c\u5fc5\u8981\u3068\u306a\u308b\u4ee3\u8868\u7684\u306a\u30b1\u30fc\u30b9\u3068\u305d\u306e\u5b9f\u88c5\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">\u672c\u756a\u74b0\u5883\u3068\u958b\u767a\u74b0\u5883\u3067\u8a2d\u5b9a\u3092\u5206\u3051\u305f\u3044\u5834\u5408\u306e\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u591a\u304f\u306e\u7d44\u7e54\u3067\u306f\u3001\u672c\u756a\u74b0\u5883\uff08Production\uff09\u3068\u958b\u767a\u74b0\u5883\uff08Development\uff09\u3067\u7570\u306a\u308b\u30a4\u30f3\u30d5\u30e9\u8a2d\u5b9a\u3092\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3067\u6761\u4ef6\u5206\u5c90\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30bf\u30a4\u30d7\u306e\u5909\u66f4<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u672c\u756a\u74b0\u5883\uff1a\u9ad8\u6027\u80fd\u3067\u5197\u9577\u6027\u306e\u3042\u308b\u69cb\u6210\uff08\u4f8b\uff1at3.medium\u4ee5\u4e0a\uff09<\/li>\n\n\n\n<li>\u958b\u767a\u74b0\u5883\uff1a\u30b3\u30b9\u30c8\u6700\u9069\u5316\u3055\u308c\u305f\u69cb\u6210\uff08\u4f8b\uff1at3.micro\uff09<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u8a2d\u5b9a\u306e\u5236\u5fa1<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u672c\u756a\u74b0\u5883\uff1a\u81ea\u52d5\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u6709\u52b9\u5316<\/li>\n\n\n\n<li>\u958b\u767a\u74b0\u5883\uff1a\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u624b\u52d5\u5b9f\u884c<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a\u306e\u8abf\u6574<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u672c\u756a\u74b0\u5883\uff1a\u53b3\u683c\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u958b\u767a\u74b0\u5883\uff1a\u958b\u767a\u4f5c\u696d\u7528\u306e\u67d4\u8edf\u306a\u30a2\u30af\u30bb\u30b9\u8a2d\u5b9a<\/li>\n<\/ul>\n\n\n\n<p>\u5b9f\u88c5\u4f8b\uff1a<\/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\u5909\u6570\u306e\u5b9a\u7fa9\nvariable \"environment\" {\n  type    = string\n  default = \"dev\"\n}\n\n# \u74b0\u5883\u306b\u5fdc\u3058\u305f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30bf\u30a4\u30d7\u306e\u9078\u629e\nlocals {\n  instance_type = var.environment == \"prod\" ? \"t3.medium\" : \"t3.micro\"\n}\n\n# EC2\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u5b9a\u7fa9\nresource \"aws_instance\" \"example\" {\n  instance_type = local.instance_type\n  # \u305d\u306e\u4ed6\u306e\u8a2d\u5b9a...\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">\u30ea\u30bd\u30fc\u30b9\u306e\u8a2d\u5b9a\u3092\u74b0\u5883\u3067\u5236\u5fa1\u3059\u308b\u30e1\u30bd\u30c3\u30c9<\/h3>\n\n\n\n<p>\u74b0\u5883\u306b\u3088\u308b\u8a2d\u5b9a\u5236\u5fa1\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u65b9\u6cd5\u3067\u5b9f\u73fe\u3067\u304d\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5909\u6570\u306b\u3088\u308b\u5236\u5fa1<\/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=\"\">   # \u74b0\u5883\u5225\u306e\u8a2d\u5b9a\u3092\u30de\u30c3\u30d7\u3067\u5b9a\u7fa9\n   variable \"environment_configs\" {\n     type = map(object({\n       instance_type = string\n       backup_retention = number\n     }))\n     default = {\n       prod = {\n         instance_type = \"t3.medium\"\n         backup_retention = 7\n       }\n       dev = {\n         instance_type = \"t3.micro\"\n         backup_retention = 1\n       }\n     }\n   }<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u6761\u4ef6\u4ed8\u304d\u30ea\u30bd\u30fc\u30b9\u4f5c\u6210<\/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=\"\">   # \u672c\u756a\u74b0\u5883\u306e\u307f\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u6709\u52b9\u5316\n   resource \"aws_backup_plan\" \"example\" {\n     count = var.environment == \"prod\" ? 1 : 0\n     name  = \"production-backup-plan\"\n     # \u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u8a2d\u5b9a...\n   }<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u52d5\u7684\u30d6\u30ed\u30c3\u30af\u751f\u6210<\/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=\"\">   # \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b0\u30eb\u30fc\u30d7\u30eb\u30fc\u30eb\u306e\u52d5\u7684\u751f\u6210\n   dynamic \"ingress\" {\n     for_each = var.environment == \"prod\" ? local.prod_rules : local.dev_rules\n     content {\n       from_port   = ingress.value.port\n       to_port     = ingress.value.port\n       protocol    = \"tcp\"\n       cidr_blocks = ingress.value.cidrs\n     }\n   }<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5b9f\u88c5\u65b9\u6cd5\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u74b0\u5883\u3054\u3068\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u8a2d\u5b9a\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u3001\u30b3\u30fc\u30c9\u306e\u518d\u5229\u7528\u6027\u3068\u4fdd\u5b88\u6027\u3092\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u904e\u5ea6\u306b\u8907\u96d1\u306a\u6761\u4ef6\u5206\u5c90\u306f\u907f\u3051\u3001\u53ef\u8aad\u6027\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u6761\u4ef6\u5206\u5c90\u3092\u3055\u3089\u306b\u8a73\u3057\u304f\u5b9f\u88c5\u3059\u308b\u5177\u4f53\u7684\u306a\u30d1\u30bf\u30fc\u30f3\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">Terraform\u3067\u306e\u6761\u4ef6\u5206\u5c90\u306e\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">count\u6761\u4ef6\u4ed8\u304d\u30ea\u30bd\u30fc\u30b9\u4f5c\u6210\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<p><code>count<\/code>\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u305f\u6761\u4ef6\u5206\u5c90\u306f\u3001\u30ea\u30bd\u30fc\u30b9\u306e\u4f5c\u6210\u6709\u7121\u3092\u5236\u5fa1\u3059\u308b\u6700\u3082\u57fa\u672c\u7684\u306a\u65b9\u6cd5\u3067\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\u5909\u6570\u306e\u5b9a\u7fa9\nvariable \"create_backup\" {\n  type    = bool\n  default = false\n}\n\n# \u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30dc\u30fc\u30eb\u30c8\u306e\u6761\u4ef6\u4ed8\u304d\u4f5c\u6210\nresource \"aws_backup_vault\" \"example\" {\n  count = var.create_backup ? 1 : 0\n  name  = \"example-backup-vault\"\n  tags  = {\n    Environment = var.environment\n  }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">for_each\u3092\u4f7f\u3063\u305f\u52d5\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u751f\u6210\u30e1\u30bd\u30c3\u30c9<\/h3>\n\n\n\n<p><code>for_each<\/code>\u306f\u8907\u6570\u30ea\u30bd\u30fc\u30b9\u3092\u52d5\u7684\u306b\u751f\u6210\u3059\u308b\u969b\u306b\u4f7f\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\u306eEC2\u8a2d\u5b9a\nvariable \"ec2_instances\" {\n  type = map(object({\n    instance_type = string\n    volume_size   = number\n  }))\n  default = {\n    web = {\n      instance_type = \"t3.micro\"\n      volume_size   = 20\n    }\n    app = {\n      instance_type = \"t3.small\"\n      volume_size   = 30\n    }\n  }\n}\n\n# \u52d5\u7684\u306aEC2\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\nresource \"aws_instance\" \"servers\" {\n  for_each = var.environment == \"prod\" ? var.ec2_instances : {}\n\n  instance_type = each.value.instance_type\n  ami           = data.aws_ami.amazon_linux_2.id\n\n  root_block_device {\n    volume_size = each.value.volume_size\n  }\n\n  tags = {\n    Name = \"server-${each.key}\"\n  }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u6761\u4ef6\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u305f\u5024\u306e\u52d5\u7684\u306a\u5207\u308a\u66ff\u3048\u65b9<\/h3>\n\n\n\n<p>\u4e09\u9805\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u3001\u6761\u4ef6\u306b\u57fa\u3065\u3044\u3066\u5024\u3092\u5207\u308a\u66ff\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=\"\">locals {\n  # \u74b0\u5883\u306b\u5fdc\u3058\u305f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30bf\u30a4\u30d7\u306e\u9078\u629e\n  instance_type = var.environment == \"prod\" ? \"t3.medium\" : \"t3.micro\"\n\n  # \u8907\u6570\u6761\u4ef6\u306e\u7d44\u307f\u5408\u308f\u305b\n  backup_retention = (\n    var.environment == \"prod\" ? 30 :\n    var.environment == \"stg\"  ? 7  :\n    1  # dev\u74b0\u5883\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\n  )\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-7\">locals\u5909\u6570\u3092\u6d3b\u7528\u3057\u305f\u6761\u4ef6\u5206\u5c90\u306e\u5b9f\u88c5\u4f8b<\/h3>\n\n\n\n<p><code>locals<\/code>\u30d6\u30ed\u30c3\u30af\u3067\u8907\u96d1\u306a\u6761\u4ef6\u5206\u5c90\u3092\u307e\u3068\u3081\u308b\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u304c\u5411\u4e0a\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=\"\">locals {\n  # \u74b0\u5883\u5225\u306e\u57fa\u672c\u8a2d\u5b9a\n  env_configs = {\n    prod = {\n      instance_count = 2\n      multi_az       = true\n      backup_enabled = true\n    }\n    dev = {\n      instance_count = 1\n      multi_az       = false\n      backup_enabled = false\n    }\n  }\n\n  # \u73fe\u5728\u306e\u74b0\u5883\u306e\u8a2d\u5b9a\u3092\u53d6\u5f97\n  current_config = local.env_configs[var.environment]\n\n  # \u30bf\u30b0\u306e\u52d5\u7684\u751f\u6210\n  common_tags = {\n    Environment = var.environment\n    Project     = var.project_name\n    ManagedBy   = \"terraform\"\n    Backup      = local.current_config.backup_enabled ? \"enabled\" : \"disabled\"\n  }\n}\n\n# \u8a2d\u5b9a\u306e\u4f7f\u7528\u4f8b\nresource \"aws_db_instance\" \"example\" {\n  instance_class    = \"db.t3.medium\"\n  count            = local.current_config.instance_count\n  multi_az         = local.current_config.multi_az\n  tags             = local.common_tags\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u67d4\u8edf\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30b3\u30fc\u30c9\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306e\u6ce8\u610f\u70b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-8\">\u6761\u4ef6\u5206\u5c90\u306e\u5b9f\u88c5\u306b\u304a\u3051\u308b\u6ce8\u610f\u70b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u53ef\u8aad\u6027\u3092\u91cd\u8996\u3057\u305f\u6761\u4ef6\u5206\u5c90\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\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=\"\"># \u60aa\u3044\u4f8b\uff1a\u8907\u96d1\u306a\u6761\u4ef6\u306e\u76f4\u63a5\u8a18\u8ff0\nresource \"aws_instance\" \"server\" {\n  instance_type = var.environment == \"prod\" ? (var.high_performance ? \"t3.large\" : \"t3.medium\") : (var.minimal_resources ? \"t3.nano\" : \"t3.micro\")\n}\n\n# \u826f\u3044\u4f8b\uff1alocals\u3092\u4f7f\u7528\u3057\u305f\u6761\u4ef6\u306e\u6574\u7406\nlocals {\n  performance_tier = var.high_performance ? \"high\" : \"standard\"\n  instance_types = {\n    prod = {\n      high     = \"t3.large\"\n      standard = \"t3.medium\"\n    }\n    dev = {\n      high     = \"t3.micro\"\n      standard = \"t3.nano\"\n    }\n  }\n  selected_instance_type = local.instance_types[var.environment][local.performance_tier]\n}\n\nresource \"aws_instance\" \"server\" {\n  instance_type = local.selected_instance_type\n}<\/pre>\n\n\n\n<p>\u4e3b\u8981\u306a\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8907\u96d1\u306a\u6761\u4ef6\u306flocals\u30d6\u30ed\u30c3\u30af\u306b\u5206\u96e2<\/li>\n\n\n\n<li>\u6761\u4ef6\u5206\u5c90\u306e\u6df1\u3055\u306f2\u5c64\u4ee5\u5185\u306b\u6291\u5236<\/li>\n\n\n\n<li>\u30de\u30c3\u30d7\u578b\u5909\u6570\u3092\u6d3b\u7528\u3057\u305f\u8a2d\u5b9a\u5024\u306e\u7ba1\u7406<\/li>\n\n\n\n<li>\u547d\u540d\u898f\u5247\u306e\u7d71\u4e00\u306b\u3088\u308b\u610f\u56f3\u306e\u660e\u78ba\u5316<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u6761\u4ef6\u5206\u5c90\u306b\u3088\u308b\u30b9\u30c6\u30fc\u30c8\u7ba1\u7406\u306e\u8907\u96d1\u5316\u3092\u9632\u3050\u65b9\u6cd5<\/h3>\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=\"\"># \u554f\u984c\u306e\u3042\u308b\u5b9f\u88c5\uff1acount\u306b\u3088\u308b\u914d\u5217\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u5909\u52d5\nresource \"aws_instance\" \"servers\" {\n  count = var.environment == \"prod\" ? 3 : 1\n  ami   = data.aws_ami.amazon_linux_2.id\n  tags  = {\n    Name = \"server-${count.index}\"\n  }\n}\n\n# \u63a8\u5968\u3055\u308c\u308b\u5b9f\u88c5\uff1afor_each\u306b\u3088\u308b\u5b89\u5b9a\u3057\u305f\u30ea\u30bd\u30fc\u30b9\u53c2\u7167\nlocals {\n  server_configs = {\n    for idx in range(var.environment == \"prod\" ? 3 : 1) :\n    \"server-${idx}\" =&gt; {\n      name = \"server-${idx}\"\n    }\n  }\n}\n\nresource \"aws_instance\" \"servers\" {\n  for_each = local.server_configs\n  ami      = data.aws_ami.amazon_linux_2.id\n  tags     = {\n    Name = each.value.name\n  }\n}<\/pre>\n\n\n\n<p>\u30b9\u30c6\u30fc\u30c8\u7ba1\u7406\u306e\u5b89\u5b9a\u5316\u306e\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>count\u3088\u308a\u3082for_each\u3092\u512a\u5148\u4f7f\u7528<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u8b58\u5225\u5b50\u306e\u4e00\u610f\u6027\u78ba\u4fdd<\/li>\n\n\n\n<li>\u4f9d\u5b58\u95a2\u4fc2\u306e\u660e\u793a\u7684\u306a\u5b9a\u7fa9<\/li>\n\n\n\n<li>\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u3068\u306e\u9023\u643a\u3092\u8003\u616e<\/li>\n<\/ol>\n\n\n\n<p>\u30b3\u30fc\u30c9\u5909\u66f4\u6642\u306e\u5f71\u97ff\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u539f\u5247\u3092\u9075\u5b88\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ea\u30bd\u30fc\u30b9\u306e\u4e00\u610f\u8b58\u5225\u5b50\u306e\u5b89\u5b9a\u6027\u78ba\u4fdd<\/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=\"\">   # \u5b89\u5b9a\u3057\u305f\u8b58\u5225\u5b50\u306e\u4f7f\u7528\u4f8b\n   locals {\n     unique_id = \"${var.environment}-${var.component_name}\"\n   }<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u4e00\u8cab\u6027\u7dad\u6301<\/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=\"\">   # \u4e00\u8cab\u6027\u306e\u3042\u308b\u69cb\u9020\u5b9a\u7fa9\n   variable \"resource_configs\" {\n     type = map(object({\n       size    = string\n       enabled = bool\n     }))\n   }<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306e\u9069\u5207\u306a\u8a2d\u5b9a<\/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=\"\">   # \u5b89\u5168\u306a\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u306e\u5b9a\u7fa9\n   variable \"instance_count\" {\n     type        = number\n     default     = 1\n     description = \"Number of instances to create\"\n     validation {\n       condition     = var.instance_count &gt; 0\n       error_message = \"Instance count must be positive\"\n     }\n   }<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6ce8\u610f\u70b9\u3092\u8e0f\u307e\u3048\u308b\u3053\u3068\u3067\u3001\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u5805\u7262\u306a\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30b3\u30fc\u30c9\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-11\">\u5b9f\u8df5\u7684\u306a\u30b3\u30fc\u30c9\u4f8b\u3067\u5b66\u3076\u6761\u4ef6\u5206\u5c90<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-12\">\u672c\u756a\u30fb\u958b\u767a\u74b0\u5883\u3067\u7570\u306a\u308bEC2\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3059\u308b\u5b9f\u88c5\u4f8b<\/h3>\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\u8a2d\u5b9a\nvariable \"environment\" {\n  type    = string\n  default = \"dev\"\n}\n\n# EC2\u8a2d\u5b9a\u306e\u5b9a\u7fa9\nlocals {\n  ec2_configs = {\n    prod = {\n      instance_type = \"t3.medium\"\n      volume_size   = 100\n      ebs_optimized = true\n      monitoring    = true\n      instances = {\n        \"app-1\" = { az = \"ap-northeast-1a\" }\n        \"app-2\" = { az = \"ap-northeast-1c\" }\n      }\n    }\n    dev = {\n      instance_type = \"t3.micro\"\n      volume_size   = 30\n      ebs_optimized = false\n      monitoring    = false\n      instances = {\n        \"app-1\" = { az = \"ap-northeast-1a\" }\n      }\n    }\n  }\n\n  current_config = local.ec2_configs[var.environment]\n}\n\n# EC2\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u4f5c\u6210\nresource \"aws_instance\" \"application\" {\n  for_each = local.current_config.instances\n\n  ami               = data.aws_ami.amazon_linux_2.id\n  instance_type     = local.current_config.instance_type\n  availability_zone = each.value.az\n  ebs_optimized     = local.current_config.ebs_optimized\n  monitoring        = local.current_config.monitoring\n\n  root_block_device {\n    volume_size = local.current_config.volume_size\n    volume_type = \"gp3\"\n  }\n\n  tags = {\n    Name        = \"app-${var.environment}-${each.key}\"\n    Environment = var.environment\n  }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u74b0\u5883\u5909\u6570\u306b\u5fdc\u3058\u3066RDS\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u30b9\u30da\u30c3\u30af\u3092\u5909\u66f4\u3059\u308b\u65b9\u6cd5<\/h3>\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\u30fc\u30bf\u30d9\u30fc\u30b9\u8a2d\u5b9a\nlocals {\n  db_configs = {\n    prod = {\n      instance_class    = \"db.t3.large\"\n      allocated_storage = 100\n      multi_az         = true\n      backup_retention = 7\n      parameters = {\n        max_connections = 1000\n        innodb_buffer_pool_size = \"4294967296\"\n      }\n    }\n    dev = {\n      instance_class    = \"db.t3.small\"\n      allocated_storage = 20\n      multi_az         = false\n      backup_retention = 1\n      parameters = {\n        max_connections = 100\n        innodb_buffer_pool_size = \"1073741824\"\n      }\n    }\n  }\n\n  # \u73fe\u5728\u306e\u74b0\u5883\u306e\u8a2d\u5b9a\u3092\u53d6\u5f97\n  db_config = local.db_configs[var.environment]\n}\n\n# \u30d1\u30e9\u30e1\u30fc\u30bf\u30b0\u30eb\u30fc\u30d7\u306e\u4f5c\u6210\nresource \"aws_db_parameter_group\" \"mysql\" {\n  name   = \"mysql-${var.environment}\"\n  family = \"mysql8.0\"\n\n  dynamic \"parameter\" {\n    for_each = local.db_config.parameters\n    content {\n      name  = parameter.key\n      value = parameter.value\n    }\n  }\n}\n\n# RDS\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u4f5c\u6210\nresource \"aws_db_instance\" \"mysql\" {\n  identifier        = \"mysql-${var.environment}\"\n  instance_class    = local.db_config.instance_class\n  allocated_storage = local.db_config.allocated_storage\n  multi_az         = local.db_config.multi_az\n\n  engine         = \"mysql\"\n  engine_version = \"8.0\"\n\n  backup_retention_period = local.db_config.backup_retention\n  parameter_group_name   = aws_db_parameter_group.mysql.name\n\n  # \u6761\u4ef6\u4ed8\u304d\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30a4\u30f3\u30b5\u30a4\u30c8\u6709\u52b9\u5316\n  performance_insights_enabled = var.environment == \"prod\"\n\n  tags = {\n    Environment = var.environment\n    ManagedBy   = \"terraform\"\n  }\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5b9f\u88c5\u4f8b\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u30dd\u30a4\u30f3\u30c8\u306b\u6ce8\u76ee\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30de\u30c3\u30d7\u578b\u3092\u4f7f\u7528\u3057\u305f\u74b0\u5883\u5225\u8a2d\u5b9a\u306e\u4e00\u5143\u7ba1\u7406<\/li>\n\n\n\n<li>\u52d5\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u751f\u6210\u306b\u304a\u3051\u308bfor_each\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u30d1\u30e9\u30e1\u30fc\u30bf\u30b0\u30eb\u30fc\u30d7\u306a\u3069\u95a2\u9023\u30ea\u30bd\u30fc\u30b9\u306e\u6761\u4ef6\u4ed8\u304d\u8a2d\u5b9a<\/li>\n\n\n\n<li>\u30bf\u30b0\u4ed8\u3051\u306b\u3088\u308b\u74b0\u5883\u306e\u660e\u78ba\u5316<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-14\">\u3088\u304f\u3042\u308b\u8cea\u554f\u3068\u56de\u7b54<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">Terraform\u3067\u4f7f\u7528\u3067\u304d\u308b\u6761\u4ef6\u6f14\u7b97\u306e\u4e00\u89a7\u3068\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<p>Terraform\u3067\u4f7f\u7528\u53ef\u80fd\u306a\u4e3b\u8981\u306a\u6761\u4ef6\u6f14\u7b97\u5b50\u3068\u95a2\u6570\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4e09\u9805\u6f14\u7b97\u5b50<\/strong> <code>condition ? true_val : false_val<\/code><\/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=\"\"># \u57fa\u672c\u7684\u306a\u4f7f\u7528\u4f8b\nlocals {\n  instance_type = var.environment == \"prod\" ? \"t3.large\" : \"t3.micro\"\n}\n\n# \u30cd\u30b9\u30c8\u3057\u305f\u6761\u4ef6\nlocals {\n  storage_size = (\n    var.environment == \"prod\" ? 100 :\n    var.environment == \"stg\"  ? 50  :\n    20\n  )\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>can\u95a2\u6570<\/strong> \u2013 \u30a8\u30e9\u30fc\u3092\u9632\u3050\u305f\u3081\u306e\u6761\u4ef6\u8a55\u4fa1<\/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=\"\">locals {\n  db_config = can(var.custom_db_config) ? var.custom_db_config : local.default_db_config\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>coalesce\u95a2\u6570<\/strong> \u2013 \u6700\u521d\u306e\u975enull\u306a\u5024\u3092\u8fd4\u3059<\/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=\"\">locals {\n  backup_retention = coalesce(var.backup_days, local.default_backup_days, 7)\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-16\">\u6761\u4ef6\u5206\u5c90\u5b9f\u88c5\u6642\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u4e00\u822c\u7684\u306a\u554f\u984c\u3068\u89e3\u6c7a\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>count\/for_each\u306e\u5909\u66f4\u306b\u3088\u308b\u30ea\u30bd\u30fc\u30b9\u518d\u4f5c\u6210<\/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=\"\"># \u554f\u984c\u306e\u3042\u308b\u30b3\u30fc\u30c9\nresource \"aws_instance\" \"server\" {\n  count = var.create_server ? 1 : 0  # \u5909\u66f4\u3059\u308b\u3068\u30ea\u30bd\u30fc\u30b9\u304c\u518d\u4f5c\u6210\u3055\u308c\u308b\n}\n\n# \u89e3\u6c7a\u7b56\uff1afor_each\u3092\u4f7f\u7528\nresource \"aws_instance\" \"server\" {\n  for_each = var.create_server ? toset([\"enabled\"]) : toset([])\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30c7\u30fc\u30bf\u578b\u306e\u4e0d\u4e00\u81f4\u306b\u3088\u308b\u6761\u4ef6\u8a55\u4fa1\u30a8\u30e9\u30fc<\/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=\"\"># \u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u30b3\u30fc\u30c9\nvariable \"port_number\" {\n  type = string\n}\n\nlocals {\n  is_valid = var.port_number == 80  # \u6587\u5b57\u5217\u3068\u6570\u5024\u306e\u6bd4\u8f03\n\n# \u4fee\u6b63\u5f8c\u306e\u30b3\u30fc\u30c9\nlocals {\n  is_valid = tonumber(var.port_number) == 80\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u8907\u96d1\u306a\u6761\u4ef6\u306e\u30c7\u30d0\u30c3\u30b0\u65b9\u6cd5<\/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=\"\"># \u30c7\u30d0\u30c3\u30b0\u7528\u306e\u51fa\u529b\noutput \"debug_config\" {\n  value = {\n    environment = var.environment\n    is_prod     = var.environment == \"prod\"\n    config      = local.current_config\n  }\n}<\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>\u6761\u4ef6\u5206\u5c90\u306e\u4f9d\u5b58\u95a2\u4fc2\u30a8\u30e9\u30fc<\/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=\"\"># \u554f\u984c\u306e\u3042\u308b\u30b3\u30fc\u30c9\nresource \"aws_instance\" \"main\" {\n  count = var.create_instance ? 1 : 0\n}\n\nresource \"aws_eip\" \"main\" {\n  instance_id = aws_instance.main[0].id  # \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u4f5c\u6210\u3055\u308c\u306a\u3044\u5834\u5408\u306b\u30a8\u30e9\u30fc\n}\n\n# \u89e3\u6c7a\u7b56\nresource \"aws_eip\" \"main\" {\n  count      = var.create_instance ? 1 : 0\n  instance_id = aws_instance.main[0].id\n}<\/pre>\n\n\n\n<p>\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d7\u30e9\u30f3\u5b9f\u884c\u524d\u306e<code>terraform validate<\/code>\u306b\u3088\u308b\u69cb\u6587\u30c1\u30a7\u30c3\u30af<\/li>\n\n\n\n<li><code>terraform console<\/code>\u3092\u4f7f\u7528\u3057\u305f\u5f0f\u306e\u30c6\u30b9\u30c8<\/li>\n\n\n\n<li>\u30c7\u30d0\u30c3\u30b0\u7528\u306e\u4e00\u6642\u7684\u306aoutput\u30d6\u30ed\u30c3\u30af\u306e\u8ffd\u52a0<\/li>\n\n\n\n<li>\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u306b\u3088\u308b\u5909\u66f4\u306e\u8ffd\u8de1<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u554f\u984c\u306b\u906d\u9047\u3057\u305f\u5834\u5408\u306f\u3001\u307e\u305a\u5c0f\u898f\u6a21\u306a\u74b0\u5883\u3067\u30c6\u30b9\u30c8\u3057\u3001\u6bb5\u968e\u7684\u306b\u5909\u66f4\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\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-2324","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\/2324","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=2324"}],"version-history":[{"count":1,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/2324\/revisions"}],"predecessor-version":[{"id":2325,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/2324\/revisions\/2325"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}