{"id":1597,"date":"2025-03-24T08:50:18","date_gmt":"2025-03-23T23:50:18","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=1597"},"modified":"2025-03-24T08:50:18","modified_gmt":"2025-03-23T23:50:18","slug":"%e3%80%90%e4%bf%9d%e5%ad%98%e7%89%88%e3%80%91sinatra%e3%81%a7%e4%bd%9c%e3%82%8b%e9%ab%98%e9%80%9f%e3%81%aaruby%e3%82%a2%e3%83%97%e3%83%aa%e3%82%b1%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e5%85%a5%e9%96%80","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=1597","title":{"rendered":"\u3010\u4fdd\u5b58\u7248\u3011Sinatra\u3067\u4f5c\u308b\u9ad8\u901f\u306aRuby\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5165\u9580 \u301c\u8a2d\u8a08\u304b\u3089\u672c\u756a\u904b\u7528\u307e\u3067\u5b8c\u5168\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\">Sinatra\u3068\u306f\uff1f\u8efd\u91cfRuby\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u7279\u5fb4\u3092\u89e3\u8aac<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">Sinatra\u304c\u751f\u307e\u308c\u305f\u80cc\u666f\u3068\u305d\u306e\u54f2\u5b66<\/a>      <\/li>      <li>        <a href=\"#i-2\">Rails\u3068Sinatra\u306e\u9055\u3044\u3092\u5fb9\u5e95\u6bd4\u8f03<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-3\">Sinatra\u304c\u7279\u306b\u6d3b\u8e8d\u3059\u308b\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-4\">Sinatra\u3067\u59cb\u3081\u308bWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-5\">\u958b\u767a\u74b0\u5883\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-6\">\u57fa\u672c\u7684\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u66f8\u304d\u65b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-7\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30a8\u30f3\u30b8\u30f3\u306e\u6d3b\u7528\u8853<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-8\">\u5b9f\u8df5\u7684\u306aSinatra\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u8a2d\u8a08\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-9\">\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u306b\u3088\u308b\u4fdd\u5b88\u6027\u306e\u5411\u4e0a<\/a>      <\/li>      <li>        <a href=\"#i-10\">\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u9023\u643a\u306e\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-11\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306e\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-12\">Sinatra\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u672c\u756a\u904b\u7528\u30ac\u30a4\u30c9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-13\">\u6700\u9069\u306a\u30c7\u30d7\u30ed\u30a4\u65b9\u6cd5\u306e\u9078\u629e<\/a>      <\/li>      <li>        <a href=\"#i-14\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u76e3\u8996\u3068\u6700\u9069\u5316\u306e\u624b\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-15\">\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u5b9f\u8df5\u7684\u30a2\u30d7\u30ed\u30fc\u30c1<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-16\">\u5b9f\u8df5\u7684\u306a\u30b3\u30fc\u30c9\u4f8b\u3067\u5b66\u3076Sinatra\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-17\">RESTful API\u306e\u5b9f\u88c5\u4f8b<\/a>      <\/li>      <li>        <a href=\"#i-18\">\u8a8d\u8a3c\u6a5f\u80fd\u306e\u5b9f\u88c5\u4f8b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-19\">\u975e\u540c\u671f\u51e6\u7406\u306e\u5b9f\u88c5\u4f8b<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-20\">Sinatra\u3067\u4f5c\u308b\u672c\u683c\u7684\u306aWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306e\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-21\">\u30c6\u30b9\u30c8\u99c6\u52d5\u958b\u767a\u306e\u5c0e\u5165\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-22\">CICD\u74b0\u5883\u306e\u69cb\u7bc9\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-23\">\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3078\u306e\u5c55\u958b<\/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\">Sinatra\u3068\u306f\uff1f\u8efd\u91cfRuby\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u7279\u5fb4\u3092\u89e3\u8aac<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">Sinatra\u304c\u751f\u307e\u308c\u305f\u80cc\u666f\u3068\u305d\u306e\u54f2\u5b66<\/h3>\n\n\n\n<p>Sinatra\u306f2007\u5e74\u306bBlake Mizerany\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u305f\u8efd\u91cf\u306aRuby\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002\u300c\u6700\u5c0f\u9650\u306e\u52b4\u529b\u3067\u6700\u5927\u9650\u306e\u6210\u679c\u3092\u300d\u3068\u3044\u3046\u54f2\u5b66\u306e\u3082\u3068\u3001\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u6a5f\u80fd\u3060\u3051\u3092\u63d0\u4f9b\u3057\u3001\u958b\u767a\u8005\u306b\u5927\u304d\u306a\u81ea\u7531\u5ea6\u3092\u4e0e\u3048\u308b\u3053\u3068\u3092\u91cd\u8996\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>Sinatra\u306e\u6838\u3068\u306a\u308b\u8a2d\u8a08\u601d\u60f3\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b7\u30f3\u30d7\u30eb\u3055\u306e\u8ffd\u6c42\uff1a\u5fc5\u8981\u306a\u6a5f\u80fd\u3060\u3051\u3092\u542b\u307f\u3001\u4f59\u5206\u306a\u62bd\u8c61\u5316\u3092\u907f\u3051\u308b<\/li>\n\n\n\n<li>\u660e\u793a\u7684\u306a\u8a2d\u8a08\uff1a\u898f\u7d04\u3088\u308a\u8a2d\u5b9a\u3092\u91cd\u8996\u3057\u3001\u30b3\u30fc\u30c9\u306e\u610f\u56f3\u3092\u660e\u78ba\u306b\u3059\u308b<\/li>\n\n\n\n<li>\u67d4\u8edf\u6027\uff1a\u958b\u767a\u8005\u304c\u81ea\u7531\u306b\u6280\u8853\u9078\u629e\u3067\u304d\u308b\u74b0\u5883\u3092\u63d0\u4f9b\u3059\u308b<\/li>\n\n\n\n<li>\u5b66\u7fd2\u30b3\u30b9\u30c8\u306e\u6700\u5c0f\u5316\uff1a\u30b7\u30f3\u30d7\u30eb\u306aAPI\u3067\u3001\u77ed\u6642\u9593\u3067\u306e\u7fd2\u5f97\u3092\u53ef\u80fd\u306b\u3059\u308b<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">Rails\u3068Sinatra\u306e\u9055\u3044\u3092\u5fb9\u5e95\u6bd4\u8f03<\/h3>\n\n\n\n<p>Rails\u3068Sinatra\u306f\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u7528\u9014\u306b\u9069\u3057\u305f\u7279\u5fb4\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n<div id=\"id-06d2c5f0-54c9-4a44-bfcc-fdc8e556df40\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6bd4\u8f03\u9805\u76ee<\/th><th>Sinatra<\/th><th>Ruby on Rails<\/th><\/tr><\/thead><tbody><tr><td>\u8a2d\u8a08\u601d\u60f3<\/td><td>\u6700\u5c0f\u9650\u306e\u6a5f\u80fd\u63d0\u4f9b<\/td><td>\u30d5\u30eb\u30b9\u30bf\u30c3\u30af\u30fb\u30aa\u30fc\u30eb\u30a4\u30f3\u30ef\u30f3<\/td><\/tr><tr><td>\u5b66\u7fd2\u66f2\u7dda<\/td><td>\u7de9\u3084\u304b<\/td><td>\u6bd4\u8f03\u7684\u6025<\/td><\/tr><tr><td>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30b5\u30a4\u30ba<\/td><td>\u5c0f\u301c\u4e2d\u898f\u6a21<\/td><td>\u4e2d\u301c\u5927\u898f\u6a21<\/td><\/tr><tr><td>\u898f\u7d04<\/td><td>\u660e\u793a\u7684\u306a\u8a2d\u5b9a<\/td><td>Convention over Configuration<\/td><\/tr><tr><td>\u521d\u671f\u69cb\u7bc9\u6642\u9593<\/td><td>\u6570\u5206<\/td><td>10\u5206\u7a0b\u5ea6<\/td><\/tr><tr><td>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u69cb\u9020<\/td><td>\u81ea\u7531<\/td><td>\u898f\u7d04\u306b\u5f93\u3063\u305f\u69cb\u9020<\/td><\/tr><tr><td>\u6a5f\u80fd\u306e\u8ffd\u52a0<\/td><td>\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u624b\u52d5<\/td><td>\u30b8\u30a7\u30cd\u30ec\u30fc\u30bf\u30fc\u3067\u81ea\u52d5\u751f\u6210<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"i-3\">Sinatra\u304c\u7279\u306b\u6d3b\u8e8d\u3059\u308b\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<\/h3>\n\n\n\n<p>Sinatra\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u7279\u306b\u5a01\u529b\u3092\u767a\u63ee\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u958b\u767a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8efd\u91cf\u3067\u8d77\u52d5\u304c\u9ad8\u901f<\/li>\n\n\n\n<li>\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u6a5f\u80fd\u3067\u69cb\u7bc9\u53ef\u80fd<\/li>\n\n\n\n<li>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306e\u78ba\u4fdd\u304c\u5bb9\u6613<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>API\u30b5\u30fc\u30d0\u30fc\u306e\u69cb\u7bc9<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b7\u30f3\u30d7\u30eb\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u8a2d\u5b9a<\/li>\n\n\n\n<li>JSON\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u5bb9\u6613\u306a\u5b9f\u88c5<\/li>\n\n\n\n<li>\u4f4e\u3044\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b7\u30f3\u30d7\u30eb\u306aWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9759\u7684\u30b5\u30a4\u30c8\u306e\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u6a5f\u80fd\u8ffd\u52a0<\/li>\n\n\n\n<li>\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u306e\u6025\u901f\u306a\u958b\u767a<\/li>\n\n\n\n<li>\u5358\u4e00\u6a5f\u80fd\u306eWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u30b5\u30fc\u30d3\u30b9<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>WebHook\u306e\u53d7\u4fe1\u51e6\u7406<\/li>\n\n\n\n<li>\u30d0\u30c3\u30c1\u51e6\u7406\u306eWeb API\u5316<\/li>\n\n\n\n<li>\u5185\u90e8\u5411\u3051\u30c4\u30fc\u30eb\u306e\u958b\u767a<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3067\u306f\u3001Sinatra\u306e\u300c\u5fc5\u8981\u306a\u3082\u306e\u3060\u3051\u3092\u542b\u3080\u300d\u3068\u3044\u3046\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u5927\u304d\u306a\u5229\u70b9\u3068\u306a\u308a\u3001\u958b\u767a\u52b9\u7387\u3068\u5b9f\u884c\u6027\u80fd\u306e\u4e21\u9762\u3067\u30e1\u30ea\u30c3\u30c8\u3092\u767a\u63ee\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-4\">Sinatra\u3067\u59cb\u3081\u308bWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u958b\u767a\u74b0\u5883\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u65b9\u6cd5<\/h3>\n\n\n\n<p>Sinatra\u306e\u958b\u767a\u74b0\u5883\u3092\u6574\u3048\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Ruby\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\uff08\u30d0\u30fc\u30b8\u30e7\u30f32.6.0\u4ee5\u4e0a\u63a8\u5968\uff09<\/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=\"\"># rbenv\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\nrbenv install 3.2.2\nrbenv global 3.2.2\n\n# or RVM\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\nrvm install 3.2.2\nrvm use 3.2.2<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>Bundler\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/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=\"\">gem install bundler<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u521d\u671f\u5316<\/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=\"\">mkdir my_sinatra_app\ncd my_sinatra_app\nbundle init<\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li>Gemfile\u306e\u4f5c\u6210<\/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=\"\"># Gemfile\nsource 'https:\/\/rubygems.org'\n\ngem 'sinatra'\ngem 'sinatra-contrib'  # \u958b\u767a\u306b\u4fbf\u5229\u306a\u62e1\u5f35\u6a5f\u80fd\ngem 'puma'            # \u63a8\u5968\u3055\u308c\u308bWeb\u30b5\u30fc\u30d0\u30fc\ngem 'slim'            # \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30a8\u30f3\u30b8\u30f3\uff08\u4efb\u610f\uff09<\/pre>\n\n\n\n<ol start=\"5\" class=\"wp-block-list\">\n<li>\u4f9d\u5b58\u95a2\u4fc2\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/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=\"\">bundle install<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u57fa\u672c\u7684\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u66f8\u304d\u65b9<\/h3>\n\n\n\n<p>Sinatra\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u76f4\u611f\u7684\u3067\u7406\u89e3\u3057\u3084\u3059\u3044\u8a2d\u8a08\u306b\u306a\u3063\u3066\u3044\u307e\u3059\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=\"\"># app.rb\nrequire 'sinatra'\nrequire 'sinatra\/reloader' if development?\n\n# GET\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u51e6\u7406\nget '\/' do\n  'Hello World!'\nend\n\n# \u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u53d7\u3051\u53d6\u308a\nget '\/hello\/:name' do\n  \"Hello #{params[:name]}!\"\nend\n\n# POST\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u51e6\u7406\npost '\/submit' do\n  # \u30ea\u30af\u30a8\u30b9\u30c8\u30dc\u30c7\u30a3\u306e\u30d1\u30fc\u30b9\n  data = JSON.parse(request.body.read)\n  \"Received: #{data['message']}\"\nend\n\n# \u8907\u6570\u306eHTTP\u30e1\u30bd\u30c3\u30c9\u306b\u5bfe\u5fdc\nroute ['GET', 'POST'], '\/multi' do\n  \"Handled #{request.request_method} request\"\nend\n\n# \u6761\u4ef6\u4ed8\u304d\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\nget '\/admin', :agent =&gt; \/Firefox\/ do\n  \"Firefox \u304b\u3089\u306e\u30a2\u30af\u30bb\u30b9\u3067\u3059\"\nend<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-7\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30a8\u30f3\u30b8\u30f3\u306e\u6d3b\u7528\u8853<\/h3>\n\n\n\n<p>Sinatra\u306f\u8907\u6570\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30a8\u30f3\u30b8\u30f3\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>ERB\u306e\u4f7f\u7528\u4f8b<\/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=\"\"># app.rb\nget '\/erb-example' do\n  @title = \"ERB\u306e\u30b5\u30f3\u30d7\u30eb\"\n  erb :index\nend\n\n# views\/index.erb\n&lt;!DOCTYPE html&gt;\n&lt;html&gt;\n  &lt;head&gt;\n    &lt;title&gt;&lt;%= @title %&gt;&lt;\/title&gt;\n  &lt;\/head&gt;\n  &lt;body&gt;\n    &lt;h1&gt;&lt;%= @title %&gt;&lt;\/h1&gt;\n    &lt;% ['\u9805\u76ee1', '\u9805\u76ee2', '\u9805\u76ee3'].each do |item| %&gt;\n      &lt;p&gt;&lt;%= item %&gt;&lt;\/p&gt;\n    &lt;% end %&gt;\n  &lt;\/body&gt;\n&lt;\/html&gt;<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>Slim\u306e\u4f7f\u7528\u4f8b<\/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=\"\"># app.rb\nget '\/slim-example' do\n  @users = ['Alice', 'Bob', 'Charlie']\n  slim :users\nend\n\n# views\/users.slim\ndoctype html\nhtml\n  head\n    title \u30e6\u30fc\u30b6\u30fc\u4e00\u89a7\n  body\n    h1 \u30e6\u30fc\u30b6\u30fc\u4e00\u89a7\n    ul\n      - @users.each do |user|\n        li = user<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u30ec\u30a4\u30a2\u30a6\u30c8\u306e\u6d3b\u7528<\/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=\"\"># views\/layout.erb\n&lt;!DOCTYPE html&gt;\n&lt;html&gt;\n  &lt;head&gt;\n    &lt;title&gt;&lt;%= @title %&gt;&lt;\/title&gt;\n    &lt;%= yield_content :head %&gt;\n  &lt;\/head&gt;\n  &lt;body&gt;\n    &lt;%= yield %&gt;\n  &lt;\/body&gt;\n&lt;\/html&gt;\n\n# views\/page.erb\n&lt;% content_for :head do %&gt;\n  &lt;link rel=\"stylesheet\" href=\"\/styles.css\"&gt;\n&lt;% end %&gt;\n\n&lt;div class=\"content\"&gt;\n  &lt;%= yield %&gt;\n&lt;\/div&gt;<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u57fa\u672c\u6a5f\u80fd\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u304c\u3089\u3082\u67d4\u8edf\u306aWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-8\">\u5b9f\u8df5\u7684\u306aSinatra\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u8a2d\u8a08\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u306b\u3088\u308b\u4fdd\u5b88\u6027\u306e\u5411\u4e0a<\/h3>\n\n\n\n<p>Sinatra\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u69cb\u9020\u306b\u3059\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u5316\u306e\u624b\u6cd5\u3092\u6d3b\u7528\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30e2\u30b8\u30e5\u30e9\u30fc\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u57fa\u672c\u69cb\u9020<\/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=\"\"># config.ru\nrequire '.\/app'\nrun App\n\n# app.rb\nrequire 'sinatra\/base'\nrequire_relative 'routes\/users'\nrequire_relative 'routes\/posts'\n\nclass App &lt; Sinatra::Base\n  # \u5171\u901a\u306e\u8a2d\u5b9a\n  configure do\n    set :sessions, true\n    set :root, File.dirname(__FILE__)\n  end\n\n  # \u30df\u30c9\u30eb\u30a6\u30a7\u30a2\u306e\u8a2d\u5b9a\n  use Rack::Session::Cookie\n\n  # \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u767b\u9332\n  use UsersController\n  use PostsController\n\n  # \u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\n  error 404 do\n    '\u30da\u30fc\u30b8\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093'\n  end\nend\n\n# routes\/users.rb\nclass UsersController &lt; Sinatra::Base\n  get '\/users' do\n    @users = User.all\n    erb :'users\/index'\n  end\nend\n\n# routes\/posts.rb\nclass PostsController &lt; Sinatra::Base\n  get '\/posts' do\n    @posts = Post.all\n    erb :'posts\/index'\n  end\nend<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30b5\u30fc\u30d3\u30b9\u30af\u30e9\u30b9\u306e\u6d3b\u7528<\/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=\"\"># services\/user_service.rb\nclass UserService\n  def self.create(params)\n    user = User.new(params)\n    UserMailer.welcome(user) if user.save\n    user\n  end\nend\n\n# routes\/users.rb\npost '\/users' do\n  @user = UserService.create(params[:user])\n  redirect '\/users'\nend<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u9023\u643a\u306e\u65b9\u6cd5<\/h3>\n\n\n\n<p>Sinatra\u3067\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u9023\u643a\u306f\u3001\u4e3b\u306bActiveRecord\u3084Sequel\u306a\u3069\u306eORM\u3092\u4f7f\u7528\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>ActiveRecord\u306e\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=\"\"># config\/database.rb\nrequire 'active_record'\n\nActiveRecord::Base.establish_connection(\n  adapter: 'postgresql',\n  host: ENV['DB_HOST'],\n  database: ENV['DB_NAME'],\n  username: ENV['DB_USER'],\n  password: ENV['DB_PASSWORD']\n)\n\n# models\/user.rb\nclass User &lt; ActiveRecord::Base\n  validates :email, presence: true, uniqueness: true\n  has_many :posts\n\n  # \u30ab\u30b9\u30bf\u30e0\u30b9\u30b3\u30fc\u30d7\n  scope :active, -&gt; { where(status: 'active') }\nend<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30b3\u30cd\u30af\u30b7\u30e7\u30f3\u30d7\u30fc\u30eb\u306e\u6700\u9069\u5316<\/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=\"\"># config\/puma.rb\nworkers Integer(ENV['WEB_CONCURRENCY'] || 2)\nthreads_count = Integer(ENV['MAX_THREADS'] || 5)\nthreads threads_count, threads_count\n\nbefore_fork do\n  ActiveRecord::Base.connection_pool.disconnect!\nend\n\non_worker_boot do\n  ActiveSupport.on_load(:active_record) do\n    config = ActiveRecord::Base.configurations[ENV['RACK_ENV']]\n    config['pool'] = ENV['MAX_THREADS'] || 5\n    ActiveRecord::Base.establish_connection(config)\n  end\nend<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306e\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n\n\n\n<p>Sinatra\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3059\u308b\u4e3b\u8981\u306a\u5b9f\u88c5\u4f8b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>CSRF\u5bfe\u7b56<\/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=\"\"># app.rb\nrequire 'rack\/protection'\n\nclass App &lt; Sinatra::Base\n  use Rack::Protection\n  use Rack::Protection::FormToken\n\n  # \u30d5\u30a9\u30fc\u30e0\u306bCSRF\u30c8\u30fc\u30af\u30f3\u3092\u542b\u3081\u308b\n  helpers do\n    def csrf_token\n      Rack::Protection::FormToken.token(env['rack.session'])\n    end\n  end\nend\n\n# views\/form.erb\n&lt;form method=\"POST\" action=\"\/submit\"&gt;\n  &lt;input type=\"hidden\" name=\"csrf_token\" value=\"&lt;%= csrf_token %&gt;\"&gt;\n  &lt;!-- \u30d5\u30a9\u30fc\u30e0\u306e\u5185\u5bb9 --&gt;\n&lt;\/form&gt;<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30bb\u30ad\u30e5\u30a2\u306a\u30bb\u30c3\u30b7\u30e7\u30f3\u7ba1\u7406<\/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=\"\"># config\/initializers\/session.rb\nrequire 'securerandom'\n\nconfigure do\n  # \u30bb\u30ad\u30e5\u30a2\u306a\u30bb\u30c3\u30b7\u30e7\u30f3\u8a2d\u5b9a\n  use Rack::Session::Cookie,\n    key: '_app_session',\n    secret: ENV.fetch('SESSION_SECRET') { SecureRandom.hex(64) },\n    expire_after: 30.days,\n    secure: production?,\n    httponly: true\nend<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>XSS\u5bfe\u7b56<\/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=\"\"># helpers\/sanitize_helper.rb\nrequire 'rack\/utils'\n\nmodule SanitizeHelper\n  def h(text)\n    Rack::Utils.escape_html(text)\n  end\n\n  def sanitize_params\n    params.each do |key, value|\n      params[key] = Rack::Utils.escape_html(value) if value.is_a?(String)\n    end\n  end\nend\n\n# app.rb\nhelpers SanitizeHelper\n\nbefore do\n  sanitize_params\nend<\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li>\u30bb\u30ad\u30e5\u30a2\u306a\u30d8\u30c3\u30c0\u30fc\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=\"\"># config.ru\nuse Rack::Protection::HttpOrigin\nuse Rack::Protection::FrameOptions\nuse Rack::Protection::XSSHeader\n\nbefore do\n  headers 'X-Frame-Options' =&gt; 'DENY'\n  headers 'X-Content-Type-Options' =&gt; 'nosniff'\n  headers 'X-XSS-Protection' =&gt; '1; mode=block'\n  headers 'Content-Security-Policy' =&gt; \"default-src 'self'\"\nend<\/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\u306aSinatra\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-12\">Sinatra\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u672c\u756a\u904b\u7528\u30ac\u30a4\u30c9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u6700\u9069\u306a\u30c7\u30d7\u30ed\u30a4\u65b9\u6cd5\u306e\u9078\u629e<\/h3>\n\n\n\n<p>Sinatra\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4ee3\u8868\u7684\u306a\u30c7\u30d7\u30ed\u30a4\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Heroku\u3078\u306e\u30c7\u30d7\u30ed\u30a4<\/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=\"\"># Procfile\nweb: bundle exec puma -C config\/puma.rb\n\n# config\/puma.rb\nworkers Integer(ENV['WEB_CONCURRENCY'] || 2)\nthreads_count = Integer(ENV['MAX_THREADS'] || 5)\nthreads threads_count, threads_count\n\npreload_app!\n\nrackup DefaultRackup\nport ENV['PORT'] || 3000\nenvironment ENV['RACK_ENV'] || 'development'<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>Docker\u74b0\u5883\u3067\u306e\u30c7\u30d7\u30ed\u30a4<\/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=\"\"># Dockerfile\nFROM ruby:3.2.2-slim\n\nWORKDIR \/app\nCOPY Gemfile Gemfile.lock .\/\nRUN apt-get update &amp;&amp; \\\n    apt-get install -y build-essential &amp;&amp; \\\n    bundle install --without development test\n\nCOPY . .\n\nCMD [\"bundle\", \"exec\", \"puma\", \"-C\", \"config\/puma.rb\"]<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>Nginx + Puma\u306e\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=\"\"># \/etc\/nginx\/sites-available\/sinatra-app\nupstream sinatra {\n    server unix:\/\/\/var\/run\/puma.sock;\n}\n\nserver {\n    listen 80;\n    server_name example.com;\n\n    root \/var\/www\/sinatra-app\/public;\n    access_log \/var\/log\/nginx\/sinatra-access.log;\n    error_log \/var\/log\/nginx\/sinatra-error.log;\n\n    location \/ {\n        try_files $uri @puma;\n    }\n\n    location @puma {\n        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;\n        proxy_set_header Host $http_host;\n        proxy_set_header X-Forwarded-Proto $scheme;\n        proxy_redirect off;\n        proxy_pass http:\/\/sinatra;\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u76e3\u8996\u3068\u6700\u9069\u5316\u306e\u624b\u6cd5<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u306e\u5b9f\u88c5<\/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=\"\"># config\/initializers\/monitoring.rb\nrequire 'newrelic_rpm' if production?\n\n# \u30ab\u30b9\u30bf\u30e0\u30e1\u30c8\u30ea\u30af\u30b9\u306e\u8ffd\u52a0\nbefore do\n  @start_time = Time.now\nend\n\nafter do\n  duration = Time.now - @start_time\n  NewRelic::Agent.record_metric(\"Custom\/Response\/Duration\", duration)\nend\n\n# \u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u8a2d\u5b9a\nconfigure do\n  set :cache, Dalli::Client.new(\n    ENV['MEMCACHIER_SERVERS'],\n    expires_in: 60 * 60 # 1\u6642\u9593\n  )\nend\n\nhelpers do\n  def cache_fetch(key, ttl = 3600)\n    settings.cache.fetch(key, ttl) { yield }\n  end\nend<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30ec\u30b9\u30dd\u30f3\u30b9\u30bf\u30a4\u30e0\u6700\u9069\u5316<\/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=\"\"># \u30a2\u30bb\u30c3\u30c8\u306e\u5727\u7e2e\nuse Rack::Deflater\n\n# \u9759\u7684\u30d5\u30a1\u30a4\u30eb\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u8a2d\u5b9a\nset :static_cache_control, [:public, max_age: 31536000]\n\n# \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30af\u30a8\u30ea\u306e\u6700\u9069\u5316\nget '\/api\/posts' do\n  cache_fetch(\"posts_#{params[:page]}\") do\n    Post.includes(:user, :comments)\n        .page(params[:page])\n        .per(20)\n        .to_json\n  end\nend<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u5b9f\u8df5\u7684\u30a2\u30d7\u30ed\u30fc\u30c1<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30ed\u30b0\u7ba1\u7406\u306e\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=\"\"># config\/logging.rb\nrequire 'logger'\n\nconfigure do\n  # \u8a73\u7d30\u306a\u30ed\u30b0\u8a2d\u5b9a\n  logger = Logger.new(File.join(settings.root, 'log', \"#{settings.environment}.log\"))\n  logger.level = Logger::INFO\n  set :logger, logger\nend\n\n# \u30ab\u30b9\u30bf\u30e0\u30ed\u30b0\u306e\u5b9f\u88c5\nhelpers do\n  def log_error(e)\n    logger.error \"Error: #{e.message}\"\n    logger.error e.backtrace.join(\"\\n\")\n  end\nend\n\n# \u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\nerror do |e|\n  log_error(e)\n  '\u30b5\u30fc\u30d0\u30fc\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002'\nend<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u4e3b\u8981\u306a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u30dd\u30a4\u30f3\u30c8<\/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=\"\"># \u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u5bfe\u7b56\nconfigure do\n  # \u30ea\u30af\u30a8\u30b9\u30c8\u9593\u3067\u306e\u30e1\u30e2\u30ea\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\n  after do\n    GC.start\n  end\n\n  # \u5927\u304d\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u5236\u9650\n  use Rack::MaxRequestSize, 3145728 # 3MB\nend\n\n# \u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u5bfe\u7b56\nconfigure do\n  # \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306e\u8a2d\u5b9a\n  ActiveRecord::Base.connection.execute(\n    \"SET statement_timeout = 5000;\" # 5\u79d2\n  )\nend\n\n# \u63a5\u7d9a\u30a8\u30e9\u30fc\u5bfe\u7b56\nhelpers do\n  def with_connection_retry(max_retries = 3)\n    retries = 0\n    begin\n      yield\n    rescue ActiveRecord::ConnectionTimeoutError\n      retries += 1\n      if retries &lt;= max_retries\n        sleep(0.1 * retries)\n        retry\n      else\n        raise\n      end\n    end\n  end\nend<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u76e3\u8996\u3068\u30a2\u30e9\u30fc\u30c8\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=\"\"># config\/initializers\/monitoring.rb\nconfigure :production do\n  # Slack\u901a\u77e5\u306e\u8a2d\u5b9a\n  def notify_slack(message)\n    uri = URI(ENV['SLACK_WEBHOOK_URL'])\n    Net::HTTP.post(uri, {\n      text: \"[#{settings.environment}] #{message}\"\n    }.to_json, 'Content-Type' =&gt; 'application\/json')\n  end\n\n  # \u30a8\u30e9\u30fc\u76e3\u8996\n  error do |e|\n    notify_slack(\"Error: #{e.message}\")\n    raise e\n  end\n\n  # \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u76e3\u8996\n  before do\n    @request_start = Time.now\n  end\n\n  after do\n    duration = Time.now - @request_start\n    if duration &gt; 1.0 # 1\u79d2\u4ee5\u4e0a\u304b\u304b\u3063\u305f\u30ea\u30af\u30a8\u30b9\u30c8\n      notify_slack(\"Slow request: #{request.path} (#{duration.round(2)}s)\")\n    end\n  end\nend<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u8a2d\u5b9a\u3068\u5b9f\u88c5\u306b\u3088\u308a\u3001\u672c\u756a\u74b0\u5883\u3067\u306e\u5b89\u5b9a\u3057\u305f\u904b\u7528\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-16\">\u5b9f\u8df5\u7684\u306a\u30b3\u30fc\u30c9\u4f8b\u3067\u5b66\u3076Sinatra\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">RESTful API\u306e\u5b9f\u88c5\u4f8b<\/h3>\n\n\n\n<p>\u4ee5\u4e0b\u306b\u3001\u30b7\u30f3\u30d7\u30eb\u306a\u30d6\u30ed\u30b0API\u306e\u5b9f\u88c5\u4f8b\u3092\u793a\u3057\u307e\u3059\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=\"\"># app\/api.rb\nrequire 'sinatra\/base'\nrequire 'sinatra\/json'\nrequire 'json'\n\nclass BlogAPI &lt; Sinatra::Base\n  # JSON\u30d1\u30fc\u30b9\u306e\u8a2d\u5b9a\n  before do\n    content_type :json\n    if request.content_type == 'application\/json'\n      request.body.rewind\n      @request_payload = JSON.parse(request.body.read)\n    end\n  end\n\n  # \u8a18\u4e8b\u4e00\u89a7\u306e\u53d6\u5f97\n  get '\/api\/posts' do\n    posts = Post.order(created_at: :desc).map do |post|\n      {\n        id: post.id,\n        title: post.title,\n        excerpt: post.content[0..100],\n        author: post.author.name,\n        created_at: post.created_at\n      }\n    end\n    json posts\n  end\n\n  # \u8a18\u4e8b\u306e\u8a73\u7d30\u53d6\u5f97\n  get '\/api\/posts\/:id' do |id|\n    post = Post.find(id)\n    json post\n  rescue ActiveRecord::RecordNotFound\n    status 404\n    json error: 'Post not found'\n  end\n\n  # \u8a18\u4e8b\u306e\u4f5c\u6210\n  post '\/api\/posts' do\n    post = Post.new(@request_payload)\n    if post.save\n      status 201\n      json post\n    else\n      status 422\n      json errors: post.errors.full_messages\n    end\n  end\n\n  # \u8a18\u4e8b\u306e\u66f4\u65b0\n  put '\/api\/posts\/:id' do |id|\n    post = Post.find(id)\n    if post.update(@request_payload)\n      json post\n    else\n      status 422\n      json errors: post.errors.full_messages\n    end\n  end\n\n  # \u8a18\u4e8b\u306e\u524a\u9664\n  delete '\/api\/posts\/:id' do |id|\n    post = Post.find(id)\n    post.destroy\n    status 204\n  end\nend<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">\u8a8d\u8a3c\u6a5f\u80fd\u306e\u5b9f\u88c5\u4f8b<\/h3>\n\n\n\n<p>\u30bb\u30ad\u30e5\u30a2\u306a\u8a8d\u8a3c\u30b7\u30b9\u30c6\u30e0\u306e\u5b9f\u88c5\u4f8b\u3092\u793a\u3057\u307e\u3059\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=\"\"># app\/auth.rb\nrequire 'sinatra\/base'\nrequire 'bcrypt'\nrequire 'jwt'\n\nclass AuthApp &lt; Sinatra::Base\n  # JWT\u30c8\u30fc\u30af\u30f3\u306e\u751f\u6210\n  def generate_token(user_id)\n    payload = {\n      user_id: user_id,\n      exp: Time.now.to_i + (24 * 60 * 60) # 24\u6642\u9593\u6709\u52b9\n    }\n    JWT.encode(payload, ENV['JWT_SECRET'], 'HS256')\n  end\n\n  # \u8a8d\u8a3c\u30df\u30c9\u30eb\u30a6\u30a7\u30a2\n  def authenticate!\n    auth_header = request.env['HTTP_AUTHORIZATION']\n    if auth_header\n      token = auth_header.split(' ').last\n      begin\n        payload = JWT.decode(token, ENV['JWT_SECRET'], true, algorithm: 'HS256')[0]\n        @current_user = User.find(payload['user_id'])\n      rescue JWT::ExpiredSignature\n        halt 401, json(error: 'Token has expired')\n      rescue JWT::DecodeError\n        halt 401, json(error: 'Invalid token')\n      end\n    else\n      halt 401, json(error: 'Authorization header required')\n    end\n  end\n\n  # \u30e6\u30fc\u30b6\u30fc\u767b\u9332\n  post '\/auth\/register' do\n    user = User.new(@request_payload)\n    user.password = BCrypt::Password.create(@request_payload['password'])\n\n    if user.save\n      status 201\n      json token: generate_token(user.id)\n    else\n      status 422\n      json errors: user.errors.full_messages\n    end\n  end\n\n  # \u30ed\u30b0\u30a4\u30f3\n  post '\/auth\/login' do\n    user = User.find_by(email: @request_payload['email'])\n    if user &amp;&amp; BCrypt::Password.new(user.password_digest) == @request_payload['password']\n      json token: generate_token(user.id)\n    else\n      status 401\n      json error: 'Invalid email or password'\n    end\n  end\n\n  # \u30d1\u30b9\u30ef\u30fc\u30c9\u30ea\u30bb\u30c3\u30c8\n  post '\/auth\/reset_password' do\n    user = User.find_by(email: @request_payload['email'])\n    if user\n      reset_token = SecureRandom.hex(32)\n      user.update(reset_token: reset_token, reset_token_expires_at: 1.hour.from_now)\n      # \u30e1\u30fc\u30eb\u9001\u4fe1\u51e6\u7406\uff08\u7701\u7565\uff09\n      status 200\n      json message: 'Password reset instructions sent'\n    else\n      status 404\n      json error: 'User not found'\n    end\n  end\nend<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">\u975e\u540c\u671f\u51e6\u7406\u306e\u5b9f\u88c5\u4f8b<\/h3>\n\n\n\n<p>Sidekiq\u3092\u4f7f\u7528\u3057\u305f\u975e\u540c\u671f\u51e6\u7406\u306e\u5b9f\u88c5\u4f8b\u3092\u793a\u3057\u307e\u3059\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=\"\"># config\/initializers\/sidekiq.rb\nrequire 'sidekiq'\n\nSidekiq.configure_server do |config|\n  config.redis = { url: ENV['REDIS_URL'] }\nend\n\nSidekiq.configure_client do |config|\n  config.redis = { url: ENV['REDIS_URL'] }\nend\n\n# app\/workers\/email_worker.rb\nclass EmailWorker\n  include Sidekiq::Worker\n  sidekiq_options retry: 3, queue: 'mailers'\n\n  def perform(user_id, template, data)\n    user = User.find(user_id)\n    UserMailer.send(template, user, data).deliver_now\n  end\nend\n\n# app\/workers\/image_processing_worker.rb\nclass ImageProcessingWorker\n  include Sidekiq::Worker\n  sidekiq_options retry: 5, queue: 'media'\n\n  def perform(image_id)\n    image = Image.find(image_id)\n\n    # \u753b\u50cf\u306e\u51e6\u7406\n    processed_image = ImageProcessor.new(image).process\n\n    # \u51e6\u7406\u7d50\u679c\u306e\u4fdd\u5b58\n    image.update(\n      processed_url: processed_image.url,\n      processed_at: Time.current\n    )\n  end\nend\n\n# app\/api\/upload.rb\nclass UploadAPI &lt; Sinatra::Base\n  # \u753b\u50cf\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\n  post '\/api\/images' do\n    image = Image.new(file: params[:file])\n\n    if image.save\n      # \u975e\u540c\u671f\u3067\u753b\u50cf\u51e6\u7406\u3092\u958b\u59cb\n      ImageProcessingWorker.perform_async(image.id)\n\n      status 202\n      json message: 'Image upload accepted', image_id: image.id\n    else\n      status 422\n      json errors: image.errors.full_messages\n    end\n  end\n\n  # \u51e6\u7406\u72b6\u6cc1\u306e\u78ba\u8a8d\n  get '\/api\/images\/:id\/status' do |id|\n    image = Image.find(id)\n\n    json({\n      id: image.id,\n      status: image.processed_at.present? ? 'completed' : 'processing',\n      processed_url: image.processed_url\n    })\n  end\nend<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5b9f\u88c5\u4f8b\u306f\u3001\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3059\u3050\u306b\u6d3b\u7528\u3067\u304d\u308b\u5b9f\u8df5\u7684\u306a\u30b3\u30fc\u30c9\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8981\u4ef6\u306b\u5408\u308f\u305b\u3066\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-20\">Sinatra\u3067\u4f5c\u308b\u672c\u683c\u7684\u306aWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306e\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-21\">\u30c6\u30b9\u30c8\u99c6\u52d5\u958b\u767a\u306e\u5c0e\u5165\u65b9\u6cd5<\/h3>\n\n\n\n<p>Sinatra\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3078\u306e\u30c6\u30b9\u30c8\u99c6\u52d5\u958b\u767a\uff08TDD\uff09\u306e\u5c0e\u5165\u4f8b\u3092\u793a\u3057\u307e\u3059\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=\"\"># Gemfile\ngroup :test do\n  gem 'rspec'\n  gem 'rack-test'\n  gem 'database_cleaner'\n  gem 'factory_bot'\nend\n\n# spec\/spec_helper.rb\nENV['RACK_ENV'] = 'test'\n\nrequire_relative '..\/app'\nrequire 'rspec'\nrequire 'rack\/test'\nrequire 'database_cleaner'\n\nRSpec.configure do |config|\n  config.include Rack::Test::Methods\n\n  config.before(:suite) do\n    DatabaseCleaner.strategy = :transaction\n    DatabaseCleaner.clean_with(:truncation)\n  end\n\n  config.around(:each) do |example|\n    DatabaseCleaner.cleaning do\n      example.run\n    end\n  end\nend\n\n# spec\/routes\/user_spec.rb\ndescribe UserController do\n  let(:app) { UserController }\n\n  describe 'GET \/users' do\n    before do\n      @user = create(:user)\n    end\n\n    it 'returns user list' do\n      get '\/users'\n      expect(last_response).to be_ok\n      expect(JSON.parse(last_response.body)).to include(\n        'id' =&gt; @user.id,\n        'name' =&gt; @user.name\n      )\n    end\n  end\n\n  describe 'POST \/users' do\n    let(:valid_params) { { name: 'Test User', email: 'test@example.com' } }\n\n    it 'creates a new user' do\n      expect {\n        post '\/users', valid_params\n      }.to change(User, :count).by(1)\n\n      expect(last_response.status).to eq 201\n    end\n  end\nend<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-22\">CICD\u74b0\u5883\u306e\u69cb\u7bc9\u65b9\u6cd5<\/h3>\n\n\n\n<p>GitHub Actions\u3092\u4f7f\u7528\u3057\u305fCI\/CD\u74b0\u5883\u306e\u69cb\u7bc9\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=\"\"># .github\/workflows\/ci.yml\nname: CI\/CD Pipeline\n\non:\n  push:\n    branches: [ main ]\n  pull_request:\n    branches: [ main ]\n\njobs:\n  test:\n    runs-on: ubuntu-latest\n    services:\n      postgres:\n        image: postgres:13\n        env:\n          POSTGRES_USER: postgres\n          POSTGRES_PASSWORD: postgres\n          POSTGRES_DB: myapp_test\n        ports: ['5432:5432']\n        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5\n\n    steps:\n    - uses: actions\/checkout@v2\n\n    - name: Set up Ruby\n      uses: ruby\/setup-ruby@v1\n      with:\n        ruby-version: 3.2.2\n        bundler-cache: true\n\n    - name: Install dependencies\n      run: bundle install\n\n    - name: Setup database\n      run: |\n        bundle exec rake db:create\n        bundle exec rake db:migrate\n      env:\n        RAILS_ENV: test\n        DATABASE_URL: postgres:\/\/postgres:postgres@localhost:5432\/myapp_test\n\n    - name: Run tests\n      run: bundle exec rspec\n\n    - name: Run rubocop\n      run: bundle exec rubocop\n\n  deploy:\n    needs: test\n    if: github.ref == 'refs\/heads\/main'\n    runs-on: ubuntu-latest\n\n    steps:\n    - name: Deploy to Heroku\n      uses: akhileshns\/heroku-deploy@v3.12.12\n      with:\n        heroku_api_key: ${{ secrets.HEROKU_API_KEY }}\n        heroku_app_name: ${{ secrets.HEROKU_APP_NAME }}\n        heroku_email: ${{ secrets.HEROKU_EMAIL }}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-23\">\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3078\u306e\u5c55\u958b<\/h3>\n\n\n\n<p>Sinatra\u3092\u4f7f\u7528\u3057\u305f\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u306e\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=\"\"># services\/user_service\/app.rb\nrequire 'sinatra\/base'\nrequire 'httparty'\n\nclass UserService &lt; Sinatra::Base\n  configure do\n    set :service_registry_url, ENV['SERVICE_REGISTRY_URL']\n    set :service_name, 'user-service'\n  end\n\n  def register_service\n    HTTParty.post(\"#{settings.service_registry_url}\/register\", body: {\n      name: settings.service_name,\n      url: ENV['SERVICE_URL'],\n      health_check_path: '\/health'\n    }.to_json)\n  end\n\n  def discover_service(name)\n    response = HTTParty.get(\"#{settings.service_registry_url}\/services\/#{name}\")\n    JSON.parse(response.body)['url']\n  end\n\n  get '\/health' do\n    status 200\n    json status: 'ok'\n  end\n\n  get '\/users\/:id' do |id|\n    user = User.find(id)\n\n    # \u6295\u7a3f\u30b5\u30fc\u30d3\u30b9\u304b\u3089\u95a2\u9023\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\n    posts_service_url = discover_service('post-service')\n    posts_response = HTTParty.get(\"#{posts_service_url}\/users\/#{id}\/posts\")\n\n    json({\n      user: user,\n      posts: JSON.parse(posts_response.body)\n    })\n  end\nend\n\n# services\/post_service\/app.rb\nclass PostService &lt; Sinatra::Base\n  # Circuit Breaker \u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u88c5\n  use CircuitBreaker,\n      method: :get,\n      path: '\/users\/:user_id\/posts',\n      threshold: 5,\n      timeout: 30\n\n  get '\/users\/:user_id\/posts' do |user_id|\n    posts = Post.where(user_id: user_id)\n    json posts\n  end\nend\n\n# lib\/circuit_breaker.rb\nclass CircuitBreaker\n  def initialize(app, options = {})\n    @app = app\n    @options = options\n    @failures = 0\n    @last_failure_time = nil\n  end\n\n  def call(env)\n    return circuit_open_response if circuit_open?\n\n    begin\n      response = @app.call(env)\n      reset_circuit\n      response\n    rescue StandardError =&gt; e\n      record_failure\n      raise e\n    end\n  end\n\n  private\n\n  def circuit_open?\n    return false if @failures &lt; @options[:threshold]\n    return false if @last_failure_time.nil?\n\n    Time.now - @last_failure_time &lt; @options[:timeout]\n  end\n\n  def record_failure\n    @failures += 1\n    @last_failure_time = Time.now if @failures &gt;= @options[:threshold]\n  end\n\n  def reset_circuit\n    @failures = 0\n    @last_failure_time = nil\n  end\n\n  def circuit_open_response\n    [503, {'Content-Type' =&gt; 'application\/json'}, [{\n      error: 'Circuit breaker is open',\n      retry_after: @options[:timeout]\n    }.to_json]]\n  end\nend<\/pre>\n\n\n\n<p>\u3053\u306e\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306e\u5b9f\u88c5\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u91cd\u8981\u306a\u30d1\u30bf\u30fc\u30f3\u3092\u5c0e\u5165\u3057\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b5\u30fc\u30d3\u30b9\u30c7\u30a3\u30b9\u30ab\u30d0\u30ea\uff1a\u5404\u30b5\u30fc\u30d3\u30b9\u306e\u767b\u9332\u3068\u767a\u898b<\/li>\n\n\n\n<li>Circuit Breaker\uff1a\u30b5\u30fc\u30d3\u30b9\u9593\u306e\u547c\u3073\u51fa\u3057\u306e\u4fe1\u983c\u6027\u5411\u4e0a<\/li>\n\n\n\n<li>\u30d8\u30eb\u30b9\u30c1\u30a7\u30c3\u30af\uff1a\u30b5\u30fc\u30d3\u30b9\u306e\u72b6\u614b\u76e3\u8996<\/li>\n\n\n\n<li>\u5206\u6563\u30c8\u30ec\u30fc\u30b7\u30f3\u30b0\uff1a\u30b5\u30fc\u30d3\u30b9\u9593\u306e\u4f9d\u5b58\u95a2\u4fc2\u306e\u53ef\u8996\u5316<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u767a\u5c55\u7684\u306a\u5b9f\u88c5\u65b9\u6cd5\u3092\u7406\u89e3\u3057\u3001\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001Sinatra\u3092\u4f7f\u7528\u3057\u305f\u672c\u683c\u7684\u306aWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u304c\u53ef\u80fd\u306b\u306a\u308a\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":[3],"tags":[],"class_list":{"0":"post-1597","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-ruby","7":"nothumb"},"_links":{"self":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1597","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=1597"}],"version-history":[{"count":1,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1597\/revisions"}],"predecessor-version":[{"id":1598,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1597\/revisions\/1598"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1597"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1597"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1597"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}