{"id":1366,"date":"2025-04-11T10:56:43","date_gmt":"2025-04-11T01:56:43","guid":{"rendered":"https:\/\/route-zero.com\/recruit\/route\/1366\/"},"modified":"2025-07-11T11:16:13","modified_gmt":"2025-07-11T02:16:13","slug":"1366","status":"publish","type":"route","link":"https:\/\/route-zero.com\/recruit\/route\/1366\/","title":{"rendered":"Docker Compose\u3067\u300cDB\u306b\u7e4b\u304c\u3089\u306a\u3044\uff01\u300d\u3092\u9632\u3050\u3002Spring Boot\u958b\u767a\u306e\u5931\u6557\u30d1\u30bf\u30fc\u30f3\u7dcf\u307e\u3068\u3081"},"content":{"rendered":"<div>\n<div id=\"js-contents\" class=\"p-tableOfContents\">\n<p class=\"p-tableOfContents__title\">\u76ee\u6b21<\/p>\n<ul>\n<li class=\"p-tableOfContents__links\"><a href=\"#sec-patterns\" class=\"js-link\">\u3088\u304f\u3042\u308b\u5931\u6557\u30d1\u30bf\u30fc\u30f3\uff13\u9078<\/a><\/li>\n<ul>\n<li><a href=\"#sec-localhost\" class=\"js-link\">localhost\u3092\u66f8\u3044\u3066\u3057\u307e\u3046<\/a><\/li>\n<li><a href=\"#sec-port-mix\" class=\"js-link\">\u30dd\u30fc\u30c8\u8aa4\u8a8d\u306b\u3088\u308b\u63a5\u7d9a\u5931\u6557<\/a><\/li>\n<li><a href=\"#sec-startup-order\" class=\"js-link\">DB\u8d77\u52d5\u524d\u306b\u63a5\u7d9a\u3055\u308c\u308b<\/a><\/li>\n<\/ul>\n<li class=\"p-tableOfContents__links\"><a href=\"#sec-network-mechanism\" class=\"js-link\">Docker\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u63a5\u7d9a\u30e1\u30ab\u30cb\u30ba\u30e0<\/a><\/li>\n<ul>\n<li><a href=\"#sec-bridge\" class=\"js-link\">Compose\u306e\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/a><\/li>\n<li><a href=\"#sec-localhost-meaning\" class=\"js-link\">localhost\u304c\u6307\u3059\u3082\u306e<\/a><\/li>\n<li><a href=\"#sec-jdbc-url\" class=\"js-link\">JDBC URL \u306e\u4ed5\u7d44\u307f<\/a><\/li>\n<li><a href=\"#sec-env-vars\" class=\"js-link\">\u74b0\u5883\u5909\u6570 vs application.yml<\/a><\/li>\n<\/ul>\n<li class=\"p-tableOfContents__links\"><a href=\"#sec-debug-checklist\" class=\"js-link\">\u4f53\u7cfb\u7684\u30c7\u30d0\u30c3\u30b0\u8853<\/a><\/li>\n<li class=\"p-tableOfContents__links\"><a href=\"#sec-best-practices\" class=\"js-link\">\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3068\u8a2d\u8a08\u601d\u60f3<\/a><\/li>\n<li class=\"p-tableOfContents__links\"><a href=\"#sec-summary\" class=\"js-link\">\u307e\u3068\u3081\u3068\u6b21\u30b9\u30c6\u30c3\u30d7<\/a><\/li>\n<\/ul>\n<\/div>\n<h2 id=\"sec-patterns\">\u3042\u306a\u305f\u3082\u9665\u308b\uff1fSpring Boot + Docker Compose DB \u63a5\u7d9a\u306e\u300c\u3088\u304f\u3042\u308b\u843d\u3068\u3057\u7a74\u300d<\/h2>\n<p>Spring Boot \u3068 Docker Compose \u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u958b\u767a\u3067\u3001\u300c\u306a\u305c\u304b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3067\u304d\u306a\u3044\u2026\u2026\u300d\u3068\u3044\u3046\u60a9\u307f\u306b\u76f4\u9762\u3057\u305f\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1f<br \/>\u591a\u304f\u306e\u958b\u767a\u8005\u304c\u30cf\u30de\u308b\u3053\u306e\u554f\u984c\u3001\u5b9f\u306f<strong>\u8a2d\u5b9a\u4e0a\u306e\u5c0f\u3055\u306a\u30df\u30b9\u3084\u4ed5\u7d44\u307f\u306e\u8aa4\u89e3<\/strong>\u304c\u539f\u56e0\u3067\u3042\u308b\u3053\u3068\u304c\u307b\u3068\u3093\u3069\u3067\u3059\u3002<\/p>\n<p>\u3053\u3053\u3067\u306f\u3001<strong>\u7279\u306b\u521d\u301c\u4e2d\u7d1a\u306e\u958b\u767a\u8005\u304c\u9665\u308a\u3084\u3059\u30443\u3064\u306e\u4ee3\u8868\u7684\u306a\u5931\u6557\u30d1\u30bf\u30fc\u30f3<\/strong>\u3092\u3001\u5177\u4f53\u4f8b\u3068\u3068\u3082\u306b\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<hr>\n<h3 id=\"sec-localhost\">\u30d1\u30bf\u30fc\u30f3\u2460\uff1aapplication.yml \u306b localhost \u3092\u66f8\u3044\u3066\u3057\u307e\u3046\u554f\u984c<\/h3>\n<p>\u30c0\u30e1\u306a\u8a2d\u5b9a\u4f8b\uff08Spring Boot\u5074\uff09<\/p>\n<pre><code>spring:\r\n  datasource:\r\n    url: jdbc:postgresql:<span>\/\/localhost:5432\/mydb<\/span>\r\n    username: user\r\n    password: pass<\/code><\/pre>\n<p>\u306a\u305c\u30c0\u30e1\u306a\u306e\u304b<\/p>\n<p>Docker Compose \u74b0\u5883\u3067\u306f\u3001\u5404\u30b5\u30fc\u30d3\u30b9\uff08\u30b3\u30f3\u30c6\u30ca\uff09\u304c\u72ec\u7acb\u3057\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7a7a\u9593\u4e0a\u3067\u52d5\u4f5c\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\u3064\u307e\u308a\u3001localhost \u306f\u300cSpring Boot \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30b3\u30f3\u30c6\u30ca\u300d\u3092\u6307\u3057\u3066\u304a\u308a\u3001<strong>DB \u30b3\u30f3\u30c6\u30ca\u306e\u3053\u3068\u3067\u306f\u3042\u308a\u307e\u305b\u3093<\/strong>\u3002<\/p>\n<p>\u6b63\u3057\u3044\u8a2d\u5b9a\u4f8b<\/p>\n<pre><code>spring:\r\n  datasource:\r\n    url: jdbc:postgresql:<span>\/\/db:5432\/mydb<\/span>\r\n    username: user\r\n    password: pass<\/code><\/pre>\n<p>\u88dc\u8db3\uff1adb \u306f docker-compose.yml \u4e0a\u306e\u30b5\u30fc\u30d3\u30b9\u540d\u3002Docker Compose \u306f\u5185\u90e8DNS\u3092\u4f7f\u3063\u3066\u3001\u30b5\u30fc\u30d3\u30b9\u540d\u3067\u540d\u524d\u89e3\u6c7a\u3092\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n<hr>\n<h3 id=\"sec-port-mix\">\u30d1\u30bf\u30fc\u30f32\uff1a\u30dd\u30fc\u30c8\u306e\u8aa4\u89e3 \u2013 \u5916\u90e8\u30dd\u30fc\u30c8\u3092\u53c2\u7167\u3057\u3066\u3057\u307e\u3046<\/h3>\n<p>\u3088\u304f\u3042\u308b\u52d8\u9055\u3044<\/p>\n<pre><code><span># application.yml \u5074\uff08\u8aa4\u308a\uff09<\/span>\r\n<span>url:<\/span> <span>jdbc:<\/span><span>postgresql:<\/span>\/<span>\/localhost:15432\/mydb<\/span><\/code><\/pre>\n<pre><code># <span>docker-compose<\/span><span>.yml<\/span> \u5074\r\n<span>services<\/span>:\r\n  <span>db<\/span>:\r\n    <span>image<\/span>: <span>postgres<\/span><span>:15<\/span>\r\n    <span>ports<\/span>:\r\n      <span>-<\/span> \"15432<span>:5432\"<\/span><\/code><\/pre>\n<p>\u306a\u305c\u30c0\u30e1\u306a\u306e\u304b<\/p>\n<p>ports: 15432:5432 \u306e\u8a2d\u5b9a\u306f\u3001\u300c\u30db\u30b9\u30c8OS\u306e15432\u756a\u30dd\u30fc\u30c8 \u2192 \u30b3\u30f3\u30c6\u30ca\u5185\u306e5432\u756a\u30dd\u30fc\u30c8\u300d\u306b\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u3059\u308b\u3082\u306e\u3067\u3059\u3002<br \/>Spring Boot \u30b3\u30f3\u30c6\u30ca\u306f\u30db\u30b9\u30c8OS\u3067\u306f\u306a\u304f\u3001<strong>Docker Compose \u5185\u306e\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u4ed6\u306e\u30b5\u30fc\u30d3\u30b9\u3068\u901a\u4fe1<\/strong>\u3057\u307e\u3059\u3002<br \/>\u305d\u306e\u305f\u3081\u3001<strong>\u30db\u30b9\u30c8\u5074\u30dd\u30fc\u30c8\u3067\u306f\u306a\u304f\u3001\u30b3\u30f3\u30c6\u30ca\u5185\u306e\u30dd\u30fc\u30c8\uff085432\uff09\u3092\u53c2\u7167\u3059\u3079\u304d<\/strong>\u3067\u3059\u3002<\/p>\n<p>\u6b63\u3057\u3044\u7d44\u307f\u5408\u308f\u305b<\/p>\n<pre><code><span># application.yml \u5074<\/span>\r\n<span>url:<\/span> <span>jdbc:<\/span><span>postgresql:<\/span>\/<span>\/db:5432\/mydb<\/span><\/code><\/pre>\n<pre><code># <span>docker-compose<\/span><span>.yml<\/span> \u5074\uff08\u5909\u66f4\u4e0d\u8981\uff09\r\n<span>services<\/span>:\r\n  <span>db<\/span>:\r\n    <span>image<\/span>: <span>postgres<\/span><span>:15<\/span>\r\n    <span>ports<\/span>:\r\n      <span>-<\/span> \"15432<span>:5432\"<\/span><\/code><\/pre>\n<hr>\n<h3 id=\"sec-startup-order\">\u30d1\u30bf\u30fc\u30f33\uff1aDB \u304c\u8d77\u52d5\u3059\u308b\u524d\u306b Spring Boot \u304c\u63a5\u7d9a\u3092\u59cb\u3081\u308b<\/h3>\n<p>\u3088\u304f\u3042\u308b\u69cb\u6210\uff08depends_on \u306e\u307f\uff09<\/p>\n<pre><code><span>services<\/span>:\r\n  <span>app<\/span>:\r\n    <span>depends_on<\/span>:\r\n      <span>-<\/span> <span>db<\/span>\r\n  <span>db<\/span>:\r\n    <span>image<\/span>: <span>postgres<\/span><span>:15<\/span><\/code><\/pre>\n<p>\u306a\u305c\u30c0\u30e1\u306a\u306e\u304b<\/p>\n<p>depends_on \u306f\u300c\u8d77\u52d5\u9806\u5e8f\u300d\u306f\u4fdd\u8a3c\u3057\u3066\u3082\u3001\u300c\u30b5\u30fc\u30d3\u30b9\u306e\u6e96\u5099\u5b8c\u4e86\uff08= DB \u304c\u63a5\u7d9a\u53ef\u80fd\u306a\u72b6\u614b\uff09\u300d\u307e\u3067\u306f\u4fdd\u8a3c\u3057\u307e\u305b\u3093\u3002<br \/>\u305d\u306e\u305f\u3081\u3001DB \u304c\u307e\u3060\u8d77\u52d5\u4e2d\u306e\u6bb5\u968e\u3067 Spring Boot \u304c\u63a5\u7d9a\u3092\u8a66\u307f\u3001Connection refused \u3068\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6539\u5584\u4f8b\uff1ahealthcheck \u3068 wait-for-it \u3092\u7d44\u307f\u5408\u308f\u305b\u308b<\/p>\n<pre><code>services:\r\n  db:\r\n    image: postgres:<span>15<\/span>\r\n    healthcheck:\r\n      test: [<span>\"CMD\"<\/span>, <span>\"pg_isready\"<\/span>, <span>\"-U\"<\/span>, <span>\"user\"<\/span>]\r\n      interval: <span>5<\/span>s\r\n      timeout: <span>5<\/span>s\r\n      retries: <span>5<\/span>\r\n\r\n  app:\r\n    build: .\r\n    depends_on:\r\n      db:\r\n        condition: service_healthy\r\n    command: [<span>\".\/wait-for-it.sh\"<\/span>, <span>\"db:5432\"<\/span>, <span>\"--\"<\/span>, <span>\"java\"<\/span>, <span>\"-jar\"<\/span>, <span>\"app.jar\"<\/span>]<\/code><\/pre>\n<p>\u88dc\u8db3\uff1await-for-it.sh \u306f\u6307\u5b9a\u3057\u305f\u30db\u30b9\u30c8\u30fb\u30dd\u30fc\u30c8\u306b\u63a5\u7d9a\u53ef\u80fd\u306b\u306a\u308b\u307e\u3067\u51e6\u7406\u3092\u5f85\u6a5f\u3059\u308b\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3067\u3059\u3002<\/p>\n<hr>\n<h3 id=\"sec-network-mechanism\">\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u307e\u3068\u3081<\/h3>\n<ul>\n<li>\n<p>localhost \u3067\u306f\u306a\u304f\u3001<strong>Docker Compose \u306e\u30b5\u30fc\u30d3\u30b9\u540d<\/strong>\u3092\u4f7f\u3046\uff08\u4f8b: db\uff09<\/p>\n<\/li>\n<li>\n<p>\u30dd\u30fc\u30c8\u30de\u30c3\u30d4\u30f3\u30b0\u306e\u53f3\u5074\uff08\u30b3\u30f3\u30c6\u30ca\u5185\u30dd\u30fc\u30c8\uff09\u3092\u53c2\u7167\u3059\u308b<\/p>\n<\/li>\n<li>\n<p>depends_on \u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u3002<strong>healthcheck + wait-for-it<\/strong> \u306a\u3069\u3067\u63a5\u7d9a\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u5236\u5fa1\u3059\u308b<\/p>\n<\/li>\n<\/ul>\n<hr>\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001<strong>Docker \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068 Spring Boot DB \u63a5\u7d9a\u306e\u30e1\u30ab\u30cb\u30ba\u30e0<\/strong>\u3092\u6280\u8853\u7684\u306b\u6df1\u6398\u308a\u3057\u3001\u300c\u306a\u305c\u305d\u3046\u306a\u308b\u306e\u304b\u300d\u3092\u89e3\u304d\u660e\u304b\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<hr>\n<h2 id=\"sec-network-mechanism\">Docker \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068 Spring Boot DB \u63a5\u7d9a\u306e\u300c\u306a\u305c\uff1f\u300d<\/h2>\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u4f55\u304c\u89e3\u6c7a\u3067\u304d\u308b\u304b\uff1a<br \/>Spring Boot \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c Docker Compose \u74b0\u5883\u3067\u6b63\u3057\u304f\u901a\u4fe1\u3067\u304d\u308b\u4ed5\u7d44\u307f\u3092\u3001<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u63a5\u7d9a\u8a2d\u5b9a\u306e\u89b3\u70b9\u304b\u3089\u6839\u672c\u7684\u306b\u7406\u89e3<\/strong>\u3067\u304d\u307e\u3059\u3002<br \/>\u300c\u306a\u305c\u30b5\u30fc\u30d3\u30b9\u540d\u3067\u63a5\u7d9a\u3067\u304d\u308b\u306e\u304b\uff1f\u300d\u300c\u306a\u305c localhost \u306f\u901a\u3058\u306a\u3044\u306e\u304b\uff1f\u300d\u3068\u3044\u3046\u7591\u554f\u306b\u5bfe\u3057\u3001<strong>\u30b3\u30f3\u30c6\u30ca\u5185\u90e8\u306e\u69cb\u9020\u3068\u4ed5\u7d44\u307f\u304b\u3089\u89e3\u304d\u660e\u304b\u3057\u307e\u3059<\/strong>\u3002<\/p>\n<hr>\n<h3 id=\"sec-bridge\">Docker Compose \u306b\u304a\u3051\u308b\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u57fa\u672c<\/h3>\n<p>Docker Compose \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u5404\u30b5\u30fc\u30d3\u30b9\u306f<strong>\u540c\u4e00\u306e\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08bridge\uff09\u4e0a\u306b\u63a5\u7d9a<\/strong>\u3055\u308c\u307e\u3059\u3002<br \/>Compose \u30d5\u30a1\u30a4\u30eb\u3067\u4f55\u3082\u6307\u5b9a\u3057\u306a\u3044\u5834\u5408\u3001\u3059\u3079\u3066\u306e\u30b5\u30fc\u30d3\u30b9\u306f\u81ea\u52d5\u7684\u306b\u540c\u3058\u30ab\u30b9\u30bf\u30e0\u30d6\u30ea\u30c3\u30b8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3055\u308c\u3001<strong>\u30b5\u30fc\u30d3\u30b9\u540d\u304c DNS \u540d\u3068\u3057\u3066\u6a5f\u80fd<\/strong>\u3057\u307e\u3059\u3002<\/p>\n<p>\u4f8b\uff1adocker-compose.yml<\/p>\n<pre><code><span>version<\/span>: \"3<span>.9<\/span>\"\r\n\r\n<span>services<\/span>:\r\n  <span>db<\/span>:\r\n    <span>image<\/span>: <span>postgres<\/span><span>:15<\/span>\r\n  <span>app<\/span>:\r\n    <span>build<\/span>: .<\/code><\/pre>\n<p>\u3053\u306e\u5834\u5408\u3001Spring Boot \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\uff08app \u30b5\u30fc\u30d3\u30b9\uff09\u306f\u3001db \u3068\u3044\u3046\u30db\u30b9\u30c8\u540d\u3067 db \u30b5\u30fc\u30d3\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5185\u90e8\u69cb\u6210\u78ba\u8a8d<\/p>\n<pre><code>docker network ls\r\ndocker network inspect &lt;\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u540d&gt;<\/code><\/pre>\n<p>\u3053\u308c\u3089\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3048\u3070\u3001\u30b3\u30f3\u30c6\u30ca\u540c\u58eb\u304c\u3069\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3055\u308c\u3001\u3069\u306e\u540d\u524d\u3067\u8a8d\u8b58\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<hr>\n<h3 id=\"sec-localhost-meaning\">localhost \u304c\u6307\u3059\u5834\u6240\u306f\u3069\u3053\u304b\uff1f<\/h3>\n<p>\u3053\u308c\u306f Docker \u306b\u4e0d\u6163\u308c\u306a\u958b\u767a\u8005\u304c\u3088\u304f\u8aa4\u89e3\u3059\u308b\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\n<ul>\n<li>\n<p>\u901a\u5e38\u306e\u30ed\u30fc\u30ab\u30eb\u74b0\u5883\u3067\u306f\u3001localhost \u306f\u81ea\u5206\u306ePC\uff08\u30db\u30b9\u30c8OS\uff09\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p>\u3057\u304b\u3057 Docker \u30b3\u30f3\u30c6\u30ca\u5185\u3067\u306f\u3001localhost \u306f\u300c\u305d\u306e\u30b3\u30f3\u30c6\u30ca\u81ea\u8eab\u300d\u3092\u6307\u3059\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u3064\u307e\u308a\u3001Spring Boot \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c localhost:5432 \u306b\u30a2\u30af\u30bb\u30b9\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u3001<strong>\u540c\u3058\u30b3\u30f3\u30c6\u30ca\u5185\u306b\u5b58\u5728\u3057\u306a\u3044 DB \u3092\u63a2\u3057\u3066\u3057\u307e\u3044\u3001\u63a5\u7d9a\u306b\u5931\u6557\u3057\u307e\u3059\u3002<\/strong><\/p>\n<hr>\n<h3 id=\"sec-jdbc-url\">Spring Boot \u306e JDBC URL \u306e\u89e3\u91c8<\/h3>\n<p>Spring Boot \u306e application.yml \u3084\u74b0\u5883\u5909\u6570\u304b\u3089\u53d6\u5f97\u3055\u308c\u305f JDBC URL \u306f\u3001\u901a\u5e38\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u89e3\u91c8\u3055\u308c\u307e\u3059\u3002<\/p>\n<pre><code>spring:\r\n  datasource:\r\n    url: jdbc:postgresql:<span>\/\/db:5432\/mydb<\/span><\/code><\/pre>\n<p>\u3053\u306e\u5f62\u5f0f\u3067\u8a18\u8ff0\u3055\u308c\u305f\u5834\u5408\uff1a<\/p>\n<ul>\n<li>\n<p>JDBC \u30c9\u30e9\u30a4\u30d0\u30fc\uff08\u3053\u3053\u3067\u306f PostgreSQL\uff09\u306f\u3001db:5432 \u306b\u5bfe\u3057\u3066\u30bd\u30b1\u30c3\u30c8\u63a5\u7d9a\u3092\u8a66\u307f\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p>db \u306f Docker \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u30db\u30b9\u30c8\u540d\u3068\u3057\u3066\u89e3\u6c7a\u3055\u308c\u3001db \u30b5\u30fc\u30d3\u30b9\uff08\u30b3\u30f3\u30c6\u30ca\uff09\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u30db\u30b9\u30c8\u540d\u89e3\u6c7a\u306e\u6d41\u308c<\/p>\n<p>Docker Compose \u306f docker-compose up \u5b9f\u884c\u6642\u306b\u3001\u4ee5\u4e0b\u3092\u81ea\u52d5\u7684\u306b\u884c\u3044\u307e\u3059\uff1a<\/p>\n<ol>\n<li>\n<p>\u30b5\u30fc\u30d3\u30b9\u3054\u3068\u306b\u4e00\u610f\u306a\u30b3\u30f3\u30c6\u30ca\u540d\u3092\u751f\u6210<\/p>\n<\/li>\n<li>\n<p>\u540c\u4e00\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u3067\u30b5\u30fc\u30d3\u30b9\u540d\u3068\u30b3\u30f3\u30c6\u30ca\u540d\u3092 DNS \u3068\u3057\u3066\u540d\u524d\u89e3\u6c7a\u53ef\u80fd\u306b\u3059\u308b<\/p>\n<\/li>\n<li>\n<p>db \u3068\u3044\u3046\u540d\u524d\u306e DNS \u30a8\u30f3\u30c8\u30ea \u2192 db \u30b5\u30fc\u30d3\u30b9\u306e IP \u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db<\/p>\n<\/li>\n<\/ol>\n<p>\u3053\u306e\u305f\u3081\u3001<strong>\u30db\u30b9\u30c8\u540d\u306b db \u3092\u4f7f\u3046\u3060\u3051\u3067\u81ea\u52d5\u7684\u306b\u6b63\u3057\u3044\u63a5\u7d9a\u5148\u306b\u5230\u9054\u3067\u304d\u308b<\/strong>\u3068\u3044\u3046\u4ed5\u7d44\u307f\u304c\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<hr>\n<h3 id=\"sec-env-vars\">application.yml \u3068\u74b0\u5883\u5909\u6570\u306e\u4f7f\u3044\u5206\u3051<\/h3>\n<p>Docker \u74b0\u5883\u3067\u306f\u3001\u8a2d\u5b9a\u306e\u67d4\u8edf\u6027\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u89b3\u70b9\u304b\u3089\u3001<strong>application.yml \u3078\u306e\u76f4\u66f8\u304d\u3088\u308a\u3082\u74b0\u5883\u5909\u6570\u3092\u6d3b\u7528\u3059\u308b\u69cb\u6210\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/strong><\/p>\n<p>\u4f8b\uff1adocker-compose.yml \u3067\u74b0\u5883\u5909\u6570\u3092\u6e21\u3059<\/p>\n<pre><code>services:\r\n  app:\r\n    build: .\r\n    environment:\r\n      SPRING_DATASOURCE_URL: jdbc:postgresql:<span>\/\/db:5432\/mydb<\/span>\r\n      SPRING_DATASOURCE_USERNAME: user\r\n      SPRING_DATASOURCE_PASSWORD: pass<\/code><\/pre>\n<p>Spring Boot \u306f\u3001SPRING_DATASOURCE_URL \u306e\u3088\u3046\u306b\u74b0\u5883\u5909\u6570\u540d\u3092\u30b9\u30cd\u30fc\u30af\u30b1\u30fc\u30b9\u3067\u6e21\u3059\u3053\u3068\u3067\u3001application.yml \u3088\u308a\u3082\u512a\u5148\u3057\u3066\u5024\u3092\u8aad\u307f\u53d6\u308a\u307e\u3059\u3002<\/p>\n<hr>\n<h3 id=\"sec-debug-checklist\">\u4ee3\u8868\u7684\u306a\u63a5\u7d9a\u30a8\u30e9\u30fc\u3068\u305d\u306e\u539f\u56e0<\/h3>\n<p>Connection refused<\/p>\n<ul>\n<li>\n<p>\u539f\u56e0\uff1a\u30b3\u30f3\u30c6\u30ca\u306f\u8d77\u52d5\u3057\u3066\u3044\u308b\u304c\u3001DB \u30d7\u30ed\u30bb\u30b9\u304c\u307e\u3060\u7acb\u3061\u4e0a\u304c\u3063\u3066\u3044\u306a\u3044\u3001\u307e\u305f\u306f\u8d77\u52d5\u306b\u5931\u6557\u3057\u3066\u3044\u308b<\/p>\n<\/li>\n<li>\n<p>\u5bfe\u7b56\uff1ahealthcheck \u3092\u4f7f\u3063\u3066\u3001DB \u306e\u6e96\u5099\u5b8c\u4e86\u3092\u5f85\u3064<\/p>\n<\/li>\n<\/ul>\n<p>Unknown host<\/p>\n<ul>\n<li>\n<p>\u539f\u56e0\uff1aJDBC URL \u306b\u66f8\u304b\u308c\u305f\u30db\u30b9\u30c8\u540d\uff08\u4f8b: db\uff09\u304c Docker \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306b\u5b58\u5728\u3057\u306a\u3044\u3001\u307e\u305f\u306f\u30b9\u30da\u30eb\u30df\u30b9<\/p>\n<\/li>\n<li>\n<p>\u5bfe\u7b56\uff1adocker-compose ps \u3067\u30b5\u30fc\u30d3\u30b9\u540d\u3092\u518d\u78ba\u8a8d\u3002\u30b5\u30fc\u30d3\u30b9\u540d \u2260 \u30b3\u30f3\u30c6\u30ca\u540d\u306b\u6ce8\u610f<\/p>\n<\/li>\n<\/ul>\n<p>No suitable driver found<\/p>\n<ul>\n<li>\n<p>\u539f\u56e0\uff1aJDBC \u30c9\u30e9\u30a4\u30d0\u30fc\u304c\u4f9d\u5b58\u95a2\u4fc2\u306b\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u3001\u307e\u305f\u306f URL \u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u304c\u4e0d\u6b63<\/p>\n<\/li>\n<li>\n<p>\u5bfe\u7b56\uff1aspring-boot-starter-data-jpa \u3084 postgresql \u4f9d\u5b58\u304c\u9069\u5207\u306b\u8ffd\u52a0\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d<\/p>\n<\/li>\n<\/ul>\n<hr>\n<h3 id=\"sec-debug-checklist\">\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u307e\u3068\u3081<\/h3>\n<ul>\n<li>\n<p>Docker Compose \u306e\u30b5\u30fc\u30d3\u30b9\u540d\u306f DNS \u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30db\u30b9\u30c8\u540d\u306b\u4f7f\u3048\u308b<\/p>\n<\/li>\n<li>\n<p>localhost \u306f\u81ea\u5206\u81ea\u8eab\u306e\u30b3\u30f3\u30c6\u30ca\u3092\u6307\u3059\u305f\u3081\u3001DB \u3078\u306e\u63a5\u7d9a\u306b\u306f\u30b5\u30fc\u30d3\u30b9\u540d\u3092\u4f7f\u3046<\/p>\n<\/li>\n<li>\n<p>application.yml \u3067\u306e\u8a2d\u5b9a\u306f\u3001\u74b0\u5883\u5909\u6570\u3092\u4f7f\u3046\u3068\u3088\u308a\u67d4\u8edf\u304b\u3064\u5b89\u5168\u306b\u7ba1\u7406\u3067\u304d\u308b<\/p>\n<\/li>\n<li>\n<p>\u5178\u578b\u7684\u306a\u63a5\u7d9a\u30a8\u30e9\u30fc\u306b\u306f\u3001\u305d\u308c\u305e\u308c\u80cc\u666f\u3068\u306a\u308b\u539f\u56e0\u304c\u3042\u308b\u305f\u3081\u3001\u300c\u306a\u305c\u305d\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u306e\u304b\u300d\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981<\/p>\n<\/li>\n<\/ul>\n<hr>\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5b9f\u8df5\u7684\u306a\u300c\u30c7\u30d0\u30c3\u30b0\u8853\u300d\u3068\u300c\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u300d\u306b\u9032\u307f\u307e\u3059\u3002<br \/>Spring Boot + Docker Compose \u74b0\u5883\u3067\u3001DB \u63a5\u7d9a\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u969b\u306b\u3069\u306e\u3088\u3046\u306b\u539f\u56e0\u3092\u5207\u308a\u5206\u3051\u3001\u89e3\u6c7a\u3057\u3066\u3044\u3051\u3070\u826f\u3044\u306e\u304b\u3092\u4f53\u7cfb\u7684\u306b\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<hr>\n<h2 id=\"sec-debug-checklist\">\u3082\u3046\u60a9\u307e\u306a\u3044\uff01Spring Boot + Docker Compose DB \u63a5\u7d9a\u306e\u4f53\u7cfb\u7684\u30c7\u30d0\u30c3\u30b0\u8853<\/h2>\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u4f55\u304c\u89e3\u6c7a\u3067\u304d\u308b\u304b\uff1a<br \/>Spring Boot + Docker Compose \u74b0\u5883\u3067\u767a\u751f\u3059\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u30a8\u30e9\u30fc\u306b\u5bfe\u3057\u3001<strong>\u518d\u73fe\u6027\u306e\u3042\u308b\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3068\u30b3\u30de\u30f3\u30c9\u30d9\u30fc\u30b9\u306e\u30c7\u30d0\u30c3\u30b0\u624b\u9806<\/strong>\u3092\u4f53\u7cfb\u7684\u306b\u5b66\u3079\u307e\u3059\u3002<br \/>\u300c\u3069\u3053\u304b\u3089\u78ba\u8a8d\u3059\u3079\u304d\u304b\u5206\u304b\u3089\u306a\u3044\u300d\u300c\u305d\u3082\u305d\u3082\u4f55\u3092\u7591\u3048\u3070\u3044\u3044\u306e\u304b\u5206\u304b\u3089\u306a\u3044\u300d\u3068\u3044\u3063\u305f\u4e0d\u5b89\u3092\u89e3\u6d88\u3057\u3001<strong>\u81ea\u529b\u3067\u306e\u554f\u984c\u89e3\u6c7a\u306b\u5fc5\u8981\u306a\u30b9\u30ad\u30eb\u3068\u8996\u70b9<\/strong>\u3092\u7372\u5f97\u3067\u304d\u307e\u3059\u3002<\/p>\n<hr>\n<h3 id=\"sec-best-practices\">\u30b9\u30c6\u30c3\u30d71\uff1a\u30b3\u30f3\u30c6\u30ca\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n<p>\u307e\u305a\u6700\u521d\u306b\u78ba\u8a8d\u3059\u3079\u304d\u306f\u3001<strong>\u30b3\u30f3\u30c6\u30ca\u305d\u306e\u3082\u306e\u304c\u6b63\u3057\u304f\u8d77\u52d5\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b<\/strong>\u3067\u3059\u3002<\/p>\n<pre><code>docker-compose ps<\/code><\/pre>\n<ul>\n<li>\n<p>\u5404\u30b5\u30fc\u30d3\u30b9\u306e State \u304c Up \u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d<\/p>\n<\/li>\n<li>\n<p>Exit \u72b6\u614b\u3084 Restarting \u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u4f55\u3089\u304b\u306e\u30a8\u30e9\u30fc\u3067\u843d\u3061\u3066\u3044\u308b\u53ef\u80fd\u6027\u3042\u308a<\/p>\n<\/li>\n<\/ul>\n<p>\u30b3\u30f3\u30c6\u30ca\u30ed\u30b0\u306e\u78ba\u8a8d<\/p>\n<pre><code>docker-compose logs app\r\ndocker-compose logs db<\/code><\/pre>\n<ul>\n<li>\n<p>Spring Boot \u5074\u3067 Connection refused \u3084 Unknown host \u304c\u51fa\u3066\u3044\u306a\u3044\u304b<\/p>\n<\/li>\n<li>\n<p>DB \u5074\u3067\u521d\u671f\u5316\u5931\u6557\u3084\u8a8d\u8a3c\u30a8\u30e9\u30fc\u304c\u51fa\u3066\u3044\u306a\u3044\u304b<\/p>\n<\/li>\n<\/ul>\n<hr>\n<h3>\u30b9\u30c6\u30c3\u30d72\uff1aDB \u30b3\u30f3\u30c6\u30ca\u304c\u8d77\u52d5\u6e08\u307f\u3067\u63a5\u7d9a\u53ef\u80fd\u304b\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n<p>\u30a2\u30d7\u30ea\u304b\u3089\u63a5\u7d9a\u3059\u308b\u524d\u306b\u3001<strong>DB \u30b3\u30f3\u30c6\u30ca\u304c\u5b9f\u969b\u306b\u53d7\u3051\u5165\u308c\u53ef\u80fd\u306a\u72b6\u614b\u304b<\/strong>\u3092\u76f4\u63a5\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<pre><code>docker <span>exec<\/span> -it &lt;db\u30b3\u30f3\u30c6\u30caID&gt; psql -U user -d mydb<\/code><\/pre>\n<p>\u3042\u308b\u3044\u306f MySQL \u306e\u5834\u5408\uff1a<\/p>\n<pre><code>docker <span>exec<\/span> -it &lt;db\u30b3\u30f3\u30c6\u30caID&gt; mysql -u user -p mydb<\/code><\/pre>\n<ul>\n<li>\n<p>\u3053\u308c\u304c\u6210\u529f\u3059\u308c\u3070\u3001DB \u306f\u5c11\u306a\u304f\u3068\u3082\u5185\u90e8\u7684\u306b\u306f\u8d77\u52d5\u3057\u3066\u304a\u308a\u3001\u8a8d\u8a3c\u60c5\u5831\u3082\u6b63\u3057\u3044\u53ef\u80fd\u6027\u304c\u9ad8\u3044<\/p>\n<\/li>\n<li>\n<p>\u3053\u3053\u3067\u5931\u6557\u3059\u308b\u5834\u5408\u306f\u3001environment \u306b\u8a2d\u5b9a\u3057\u305f\u30e6\u30fc\u30b6\u30fc\u30fb\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u78ba\u8a8d\u304c\u5fc5\u8981<\/p>\n<\/li>\n<\/ul>\n<hr>\n<h3>\u30b9\u30c6\u30c3\u30d73\uff1a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u6027\u306e\u30c6\u30b9\u30c8<\/h3>\n<p>Spring Boot \u5074\u306e\u30b3\u30f3\u30c6\u30ca\u304b\u3089\u3001<strong>DB \u30b5\u30fc\u30d3\u30b9\u3078\u306e\u63a5\u7d9a\u78ba\u8a8d<\/strong>\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n<pre><code>docker <span>exec<\/span> -it &lt;app\u30b3\u30f3\u30c6\u30caID&gt; ping db\r\ndocker <span>exec<\/span> -it &lt;app\u30b3\u30f3\u30c6\u30caID&gt; nc -zv db <span>5432<\/span><\/code><\/pre>\n<ul>\n<li>\n<p>ping db \u304c\u901a\u3089\u306a\u3044 \u2192 Docker Compose \u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\u3084\u30b5\u30fc\u30d3\u30b9\u540d\u30df\u30b9\u3092\u7591\u3046<\/p>\n<\/li>\n<li>\n<p>nc -zv \u304c\u5931\u6557 \u2192 \u30dd\u30fc\u30c8\u304c\u958b\u3044\u3066\u3044\u306a\u3044\u3001\u8d77\u52d5\u304c\u9045\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027<\/p>\n<\/li>\n<\/ul>\n<hr>\n<h3>\u30b9\u30c6\u30c3\u30d74\uff1aJDBC URL \u3068 application.yml \u306e\u78ba\u8a8d<\/h3>\n<p>JDBC URL \u306b\u8aa4\u308a\u304c\u3042\u308b\u3068\u3001\u8d77\u52d5\u5f8c\u5373\u5ea7\u306b Connection refused \u307e\u305f\u306f No suitable driver \u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u78ba\u8a8d\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n<ul>\n<li>\n<p>\u30db\u30b9\u30c8\u540d\u304c localhost \u3067\u306f\u306a\u304f\u3001\u30b5\u30fc\u30d3\u30b9\u540d\uff08\u4f8b: db\uff09\u306b\u306a\u3063\u3066\u3044\u308b\u304b<\/p>\n<\/li>\n<li>\n<p>\u30dd\u30fc\u30c8\u756a\u53f7\u304c DB \u5074\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u304b\uff08\u901a\u5e38\u306f PostgreSQL: 5432\u3001MySQL: 3306\uff09<\/p>\n<\/li>\n<li>\n<p>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u540d\u30fb\u30e6\u30fc\u30b6\u30fc\u540d\u30fb\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u8a2d\u5b9a\u306b\u8aa4\u308a\u304c\u306a\u3044\u304b<\/p>\n<\/li>\n<\/ul>\n<hr>\n<h3>\u30b9\u30c6\u30c3\u30d75\uff1a\u74b0\u5883\u5909\u6570\u304c\u6b63\u3057\u304f\u6e21\u3063\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b<\/h3>\n<p>\u74b0\u5883\u5909\u6570\u7d4c\u7531\u3067\u8a2d\u5b9a\u3092\u6ce8\u5165\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u5b9f\u969b\u306b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30b3\u30f3\u30c6\u30ca\u5185\u3067\u5024\u304c\u6e21\u3063\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<pre><code>docker inspect &lt;app\u30b3\u30f3\u30c6\u30caID&gt; | grep SPRING_DATASOURCE<\/code><\/pre>\n<p>\u307e\u305f\u306f\u4e2d\u306b\u5165\u3063\u3066 env \u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3082OK\u3067\u3059\uff1a<\/p>\n<pre><code>docker exec -it &lt;app\u30b3\u30f3\u30c6\u30caID&gt; <span>\/bin\/<\/span>sh\r\nenv | grep SPRING<\/code><\/pre>\n<hr>\n<h3>\u30b9\u30c6\u30c3\u30d76\uff1aSpring Boot \u306e\u30ed\u30b0\u3092\u8a73\u7d30\u5316\u3059\u308b<\/h3>\n<p>\u63a5\u7d9a\u306e\u8a73\u7d30\u30a8\u30e9\u30fc\u3092\u78ba\u8a8d\u3057\u305f\u3044\u5834\u5408\u306f\u3001application.yml \u307e\u305f\u306f\u74b0\u5883\u5909\u6570\u3067\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u30ed\u30b0\u30ec\u30d9\u30eb\u3092\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n<pre><code><span>logging<\/span>:\r\n  <span>level<\/span>:\r\n    <span>org<\/span><span>.springframework<\/span><span>.jdbc<\/span>: <span>DEBUG<\/span>\r\n    <span>org<\/span><span>.springframework<\/span><span>.boot<\/span><span>.autoconfigure<\/span><span>.jdbc<\/span>: <span>DEBUG<\/span><\/code><\/pre>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001JDBC \u63a5\u7d9a\u6642\u306e\u8a73\u7d30\u30ed\u30b0\uff08\u30c9\u30e9\u30a4\u30d0\u8aad\u307f\u8fbc\u307f\u3001\u63a5\u7d9a\u8a66\u884c\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u306a\u3069\uff09\u304c\u8868\u793a\u3055\u308c\u3001\u539f\u56e0\u7279\u5b9a\u304c\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u30b9\u30c6\u30c3\u30d77\uff1a\u6700\u5c0f\u69cb\u6210\u3067\u306e\u518d\u73fe\u3068\u5207\u308a\u5206\u3051<\/h3>\n<p>\u554f\u984c\u304c\u8907\u96d1\u306a\u5834\u5408\u3001<strong>\u6700\u4f4e\u9650\u306e app + db \u306e\u69cb\u6210\u3067\u518d\u73fe\u6027\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u6709\u52b9<\/strong>\u3067\u3059\u3002<\/p>\n<ul>\n<li>\n<p>docker-compose.yml \u3067\u5fc5\u8981\u6700\u4f4e\u9650\u306e\u30b5\u30fc\u30d3\u30b9\u306e\u307f\u5b9a\u7fa9<\/p>\n<\/li>\n<li>\n<p>application.yml \u3092\u5358\u7d14\u306a1\u30d5\u30a1\u30a4\u30eb\u69cb\u6210\u306b<\/p>\n<\/li>\n<li>\n<p>DB \u30a4\u30e1\u30fc\u30b8\u3082\u3067\u304d\u308b\u3060\u3051\u516c\u5f0f\u306e\u307e\u307e\u4f7f\u7528\u3057\u3001\u30ab\u30b9\u30bf\u30e0\u8a2d\u5b9a\u3092\u5916\u3059<\/p>\n<\/li>\n<\/ul>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u300c\u63a5\u7d9a\u8a2d\u5b9a\u306e\u30df\u30b9\u306a\u306e\u304b\u3001\u30a2\u30d7\u30ea\u5074\u306e\u30d0\u30b0\u306a\u306e\u304b\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u306a\u306e\u304b\u300d\u3092\u5207\u308a\u5206\u3051\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<hr>\n<h3>\u3088\u304f\u3042\u308b\u5931\u6557\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\uff08\u307e\u3068\u3081\uff09<\/h3>\n<ol>\n<li>\n<p>docker-compose ps \u3067\u30b3\u30f3\u30c6\u30ca\u304c\u8d77\u52d5\u3057\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u305f\u304b\uff1f<\/p>\n<\/li>\n<li>\n<p>docker-compose logs \u3067\u30a2\u30d7\u30ea\u3068DB\u306e\u30a8\u30e9\u30fc\u3092\u78ba\u8a8d\u3057\u305f\u304b\uff1f<\/p>\n<\/li>\n<li>\n<p>DB \u306b\u624b\u52d5\u3067\u30ed\u30b0\u30a4\u30f3\u3067\u304d\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u305f\u304b\uff1f<\/p>\n<\/li>\n<li>\n<p>\u30a2\u30d7\u30ea\u30b3\u30f3\u30c6\u30ca\u304b\u3089 ping \u3084 nc \u3067 DB \u306b\u63a5\u7d9a\u3067\u304d\u308b\u304b\uff1f<\/p>\n<\/li>\n<li>\n<p>JDBC URL \u306e\u30db\u30b9\u30c8\u540d\u30fb\u30dd\u30fc\u30c8\u30fbDB\u540d\u306b\u8aa4\u308a\u306f\u306a\u3044\u304b\uff1f<\/p>\n<\/li>\n<li>\n<p>\u74b0\u5883\u5909\u6570\u306f\u6b63\u3057\u304f\u6ce8\u5165\u3055\u308c\u3066\u3044\u308b\u304b\uff1f<\/p>\n<\/li>\n<li>\n<p>Spring Boot \u306e\u30ed\u30b0\u51fa\u529b\u3092\u8a73\u7d30\u306b\u3057\u3066\u30a8\u30e9\u30fc\u7b87\u6240\u3092\u7279\u5b9a\u3057\u305f\u304b\uff1f<\/p>\n<\/li>\n<li>\n<p>\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u6700\u5c0f\u69cb\u6210\u3067\u5207\u308a\u5206\u3051\u3092\u884c\u3063\u305f\u304b\uff1f<\/p>\n<\/li>\n<\/ol>\n<hr>\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u307e\u3068\u3081\uff1a<\/p>\n<ul>\n<li>\n<p>\u5358\u306a\u308b\u611f\u899a\u3084\u8a66\u884c\u932f\u8aa4\u306b\u983c\u3089\u305a\u3001<strong>\u4f53\u7cfb\u7684\u306a\u78ba\u8a8d\u624b\u9806<\/strong>\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306b\u539f\u56e0\u3092\u7279\u5b9a\u3067\u304d\u308b<\/p>\n<\/li>\n<li>\n<p>\u30b3\u30f3\u30c6\u30ca\u74b0\u5883\u3067\u306f\u300c\u3069\u3053\u3067\u5931\u6557\u3057\u3066\u3044\u308b\u304b\u300d\u304c\u898b\u3048\u306b\u304f\u3044\u305f\u3081\u3001<strong>\u69cb\u9020\u7684\u306a\u8996\u70b9<\/strong>\u3067\u6bb5\u968e\u7684\u306b\u5207\u308a\u5206\u3051\u308b\u3053\u3068\u304c\u91cd\u8981<\/p>\n<\/li>\n<li>\n<p>\u3069\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u8a70\u307e\u3063\u3066\u3044\u308b\u304b\u3092\u660e\u78ba\u306b\u3059\u308c\u3070\u3001\u30c1\u30fc\u30e0\u5185\u3067\u306e\u76f8\u8ac7\u3084\u5916\u90e8\u8abf\u67fb\u3082\u30b9\u30e0\u30fc\u30ba\u306b\u306a\u308b<\/p>\n<\/li>\n<\/ul>\n<hr>\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001<strong>\u4eca\u5f8c\u540c\u3058\u554f\u984c\u304c\u8d77\u304d\u306a\u3044\u305f\u3081\u306e\u8a2d\u8a08\u30fb\u69cb\u7bc9\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong>\u306b\u79fb\u308a\u307e\u3059\u3002<br \/>\u8a2d\u5b9a\u306e\u5916\u90e8\u5316\u3001\u5f85\u6a5f\u5236\u5fa1\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8a2d\u8a08\u3068\u3044\u3063\u305f\u3001\u300c\u305d\u3082\u305d\u3082\u3064\u307e\u305a\u304b\u306a\u3044\u305f\u3081\u306e\u5de5\u592b\u300d\u3092\u5177\u4f53\u7684\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<hr>\n<h2 id=\"sec-best-practices\">\u5805\u7262\u306a Spring Boot + Docker Compose \u74b0\u5883\u69cb\u7bc9\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3068\u8a2d\u8a08\u601d\u60f3<\/h2>\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u4f55\u304c\u89e3\u6c7a\u3067\u304d\u308b\u304b\uff1a<br \/>Spring Boot + Docker Compose \u74b0\u5883\u3067<strong>\u518d\u3073\u540c\u3058\u30c8\u30e9\u30d6\u30eb\u3092\u8d77\u3053\u3055\u306a\u3044\u305f\u3081\u306e\u8a2d\u8a08\u30fb\u69cb\u7bc9\u306e\u77e5\u898b<\/strong>\u3092\u5f97\u3089\u308c\u307e\u3059\u3002<br \/>\u8a2d\u5b9a\u306e\u6574\u7406\u3001\u8d77\u52d5\u30bf\u30a4\u30df\u30f3\u30b0\u306e\u5236\u5fa1\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u904b\u7528\u6027\u306e\u89b3\u70b9\u304b\u3089\u3001<strong>\u5b9f\u8df5\u7684\u306a\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong>\u3092\u4f53\u7cfb\u7684\u306b\u5b66\u3076\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<hr>\n<h3 id=\"sec-best-practices\">1. DB \u306e\u8d77\u52d5\u78ba\u8a8d\u306f healthcheck \u3067\u660e\u793a\u7684\u306b\u5236\u5fa1\u3059\u308b<\/h3>\n<p>Docker Compose \u306e depends_on \u306f\u300c\u30b5\u30fc\u30d3\u30b9\u306e\u8d77\u52d5\u9806\u5e8f\u300d\u3060\u3051\u3092\u5236\u5fa1\u3057\u307e\u3059\u3002<br \/><strong>\u300cDB \u304c\u63a5\u7d9a\u3092\u53d7\u3051\u4ed8\u3051\u308b\u72b6\u614b\u300d\u306b\u306a\u3063\u305f\u304b\u3069\u3046\u304b\u306f\u4fdd\u8a3c\u3055\u308c\u307e\u305b\u3093\u3002<\/strong><\/p>\n<p>\u305d\u306e\u305f\u3081\u3001<strong>healthcheck \u3092\u6b63\u3057\u304f\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u6975\u3081\u3066\u91cd\u8981<\/strong>\u3067\u3059\u3002<\/p>\n<p>\u4f8b\uff1aPostgreSQL \u306e\u5834\u5408<\/p>\n<pre><code>services:\r\n  db:\r\n    image: postgres:<span>15<\/span>\r\n    environment:\r\n      POSTGRES_USER: user\r\n      POSTGRES_PASSWORD: <span>pass<\/span>\r\n    healthcheck:\r\n      test: [<span>\"CMD\"<\/span>, <span>\"pg_isready\"<\/span>, <span>\"-U\"<\/span>, <span>\"user\"<\/span>]\r\n      interval: <span>5<\/span>s\r\n      timeout: <span>5<\/span>s\r\n      retries: <span>5<\/span><\/code><\/pre>\n<p>\u30a2\u30d7\u30ea\u5074\u306e depends_on \u6761\u4ef6<\/p>\n<pre><code>app:\r\n  build: .\r\n  depends_on:\r\n    db:\r\n      condition: service_healthy<\/code><\/pre>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001<strong>DB \u304c\u6b63\u5e38\u7a3c\u50cd\u3059\u308b\u307e\u3067 Spring Boot \u30a2\u30d7\u30ea\u304c\u8d77\u52d5\u3057\u306a\u3044\u69cb\u6210<\/strong>\u304c\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n<hr>\n<h3 id=\"sec-best-practices\">2. \u8d77\u52d5\u30bf\u30a4\u30df\u30f3\u30b0\u5236\u5fa1\u306b\u306f wait-for-it.sh \u307e\u305f\u306f entrypoint.sh \u3092\u6d3b\u7528\u3059\u308b<\/h3>\n<p>healthcheck \u306f Docker \u5074\u306e\u72b6\u614b\u628a\u63e1\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u304c\u3001<strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u8d77\u52d5\u30bf\u30a4\u30df\u30f3\u30b0\u3092\u5236\u5fa1\u3059\u308b\u306b\u306f\u5f85\u6a5f\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u6709\u52b9<\/strong>\u3067\u3059\u3002<\/p>\n<p>wait-for-it.sh \u306e\u4f7f\u7528\u4f8b<\/p>\n<pre><code>COPY wait-<span>for<\/span>-it.sh \/usr\/local\/bin\/wait-<span>for<\/span>-it.sh\r\nRUN chmod +x \/usr\/local\/bin\/wait-<span>for<\/span>-it.sh<\/code><\/pre>\n<pre><code>command: [<span>\"wait-for-it.sh\"<\/span>, <span>\"db:5432\"<\/span>, <span>\"--\"<\/span>, <span>\"java\"<\/span>, <span>\"-jar\"<\/span>, <span>\"app.jar\"<\/span>]<\/code><\/pre>\n<p>\u4ee3\u66ff\u6848\uff1aentrypoint.sh \u306b\u30ea\u30c8\u30e9\u30a4\u30ed\u30b8\u30c3\u30af\u3092\u8a18\u8ff0<\/p>\n<pre><code><span>#!\/bin\/sh<\/span>\r\n<span>until<\/span> nc -z db <span>5432<\/span>; <span>do<\/span>\r\n  echo <span>\"Waiting for db...\"<\/span>\r\n  sleep <span>2<\/span>\r\ndone\r\n\r\nexec java -jar app.jar<\/code><\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001<strong>DB \u304c\u672c\u5f53\u306b\u4f7f\u3048\u308b\u72b6\u614b\u306b\u306a\u308b\u307e\u3067\u30ea\u30c8\u30e9\u30a4\u3057\u3066\u5f85\u6a5f\u3059\u308b<\/strong>\u3053\u3068\u3067\u3001\u63a5\u7d9a\u30a8\u30e9\u30fc\u3092\u672a\u7136\u306b\u9632\u3052\u307e\u3059\u3002<\/p>\n<hr>\n<h3 id=\"sec-best-practices\">3. \u8a2d\u5b9a\u306e\u5916\u90e8\u5316\u3068\u79d8\u533f\u5316\u3092\u5fb9\u5e95\u3059\u308b<\/h3>\n<p>\u74b0\u5883\u306b\u3088\u3063\u3066\u8a2d\u5b9a\u3092\u67d4\u8edf\u306b\u5207\u308a\u66ff\u3048\u308b\u306b\u306f\u3001<strong>\u74b0\u5883\u5909\u6570\u3068 .env \u30d5\u30a1\u30a4\u30eb\u3001override.yml \u306e\u6d3b\u7528\u304c\u6709\u52b9<\/strong>\u3067\u3059\u3002<\/p>\n<p>.env \u30d5\u30a1\u30a4\u30eb\u4f8b\uff08Git \u7ba1\u7406\u5bfe\u8c61\u5916\uff09<\/p>\n<pre><code>SPRING_DATASOURCE_URL=jdbc:postgresql:<span>\/\/db:5432\/mydb<\/span>\r\nSPRING_DATASOURCE_USERNAME=user\r\nSPRING_DATASOURCE_PASSWORD=pass<\/code><\/pre>\n<p>docker-compose.yml \u5074<\/p>\n<pre><code>services:\r\n  app:\r\n    environment:\r\n      - SPRING_DATASOURCE_URL\r\n      - SPRING_DATASOURCE_USERNAME\r\n      - SPRING_DATASOURCE_PASSWORD<\/code><\/pre>\n<p>application.yml \u5074\u3067\u306f\u53c2\u7167\u3060\u3051<\/p>\n<pre><code><span>spring:<\/span>\r\n  <span>datasource:<\/span>\r\n    <span>url:<\/span> ${SPRING_DATASOURCE_URL}\r\n    <span>username:<\/span> ${SPRING_DATASOURCE_USERNAME}\r\n    <span>password:<\/span> ${SPRING_DATASOURCE_PASSWORD}<\/code><\/pre>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001<strong>\u8a2d\u5b9a\u306e\u5909\u66f4\u30fb\u5207\u308a\u66ff\u3048\u30fb\u79d8\u533f\u5316\u304c\u5bb9\u6613\u306b\u306a\u308a\u3001\u5b89\u5168\u3067\u4fdd\u5b88\u3057\u3084\u3059\u3044\u69cb\u6210<\/strong>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<hr>\n<h3 id=\"sec-best-practices\">4. \u30a4\u30e1\u30fc\u30b8\u306e\u8efd\u91cf\u5316\u3068\u8d77\u52d5\u9ad8\u901f\u5316\u3092\u610f\u8b58\u3059\u308b<\/h3>\n<ul>\n<li>\n<p><strong>\u30de\u30eb\u30c1\u30b9\u30c6\u30fc\u30b8\u30d3\u30eb\u30c9<\/strong>\u3067\u4e0d\u8981\u306a\u4f9d\u5b58\u7269\u3092\u9664\u5916<\/p>\n<\/li>\n<li>\n<p>JDK \u2192 JRE \u30d9\u30fc\u30b9\u306b\u5207\u308a\u66ff\u3048\u308b\uff08\u4f8b: eclipse-temurin:17-jre)<\/p>\n<\/li>\n<li>\n<p>\u30a2\u30d7\u30ea\u5074\u306e Dockerfile \u306b\u4e0d\u8981\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u3084 build \u30c4\u30fc\u30eb\u3092\u6b8b\u3055\u306a\u3044<\/p>\n<\/li>\n<\/ul>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001<strong>\u30a4\u30e1\u30fc\u30b8\u30b5\u30a4\u30ba\u306e\u524a\u6e1b\u3068\u8d77\u52d5\u6642\u9593\u306e\u77ed\u7e2e<\/strong>\u304c\u5b9f\u73fe\u3067\u304d\u3001\u8d77\u52d5\u30bf\u30a4\u30df\u30f3\u30b0\u306e\u554f\u984c\u3092\u6839\u672c\u304b\u3089\u6e1b\u3089\u3059\u3053\u3068\u306b\u3082\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<hr>\n<h3 id=\"sec-best-practices\">5. \u30ed\u30ae\u30f3\u30b0\u3068\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3092\u4ed5\u7d44\u307f\u306b\u7d44\u307f\u8fbc\u3080<\/h3>\n<ul>\n<li>\n<p>Spring Boot \u5074\u3067 logback \u3084 log4j2 \u306b\u3088\u308b\u8a73\u7d30\u30ed\u30b0\u51fa\u529b\u3092\u6574\u5099<\/p>\n<\/li>\n<li>\n<p>docker-compose logs \u3060\u3051\u3067\u306a\u304f\u3001<strong>\u30ed\u30b0\u30d5\u30a1\u30a4\u30eb\u306e\u6c38\u7d9a\u5316<\/strong>\u3084\u76e3\u8996\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u51fa\u529b\u3082\u8996\u91ce\u306b\u5165\u308c\u308b<\/p>\n<\/li>\n<li>\n<p>\u30b7\u30b9\u30c6\u30e0\u8d77\u52d5\u9806\u3084\u63a5\u7d9a\u6210\u5426\u3092 <strong>\u30ed\u30b0\u30d9\u30fc\u30b9\u3067\u81ea\u52d5\u7684\u306b\u8ffd\u8de1\u3067\u304d\u308b\u72b6\u614b\u306b\u3059\u308b<\/strong><\/p>\n<\/li>\n<\/ul>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u554f\u984c\u767a\u751f\u6642\u306b\u3082\u3059\u3070\u3084\u304f\u6839\u672c\u539f\u56e0\u3092\u7279\u5b9a\u3067\u304d\u3001<strong>\u30c1\u30fc\u30e0\u958b\u767a\u306b\u304a\u3051\u308b\u30c8\u30e9\u30d6\u30eb\u5171\u6709\u30fb\u518d\u73fe\u6027\u78ba\u4fdd\u306b\u3082\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/strong><\/p>\n<hr>\n<h3 id=\"sec-best-practices\">6. \u958b\u767a\u74b0\u5883\u3068\u672c\u756a\u74b0\u5883\u306e\u8a2d\u5b9a\u5dee\u7570\u3092\u6700\u5c0f\u5316\u3059\u308b<\/h3>\n<ul>\n<li>\n<p>docker-compose.override.yml \u3092\u6d3b\u7528\u3057\u3066\u3001\u74b0\u5883\u3054\u3068\u306e\u4e0a\u66f8\u304d\u3092\u67d4\u8edf\u306b\u7ba1\u7406<\/p>\n<\/li>\n<li>\n<p>\u672c\u756a\u3068\u958b\u767a\u3067 DB \u30db\u30b9\u30c8\u540d\u3084\u30dd\u30fc\u30c8\u756a\u53f7\u304c\u7570\u306a\u308b\u3068\u3001<strong>\u958b\u767a\u6642\u306b\u767a\u898b\u3067\u304d\u306a\u3044\u30a8\u30e9\u30fc\u306e\u6e29\u5e8a<\/strong>\u306b\u306a\u308b<\/p>\n<\/li>\n<li>\n<p>\u958b\u767a\u30fb\u30c6\u30b9\u30c8\u30fb\u672c\u756a\u74b0\u5883\u3092<strong>\u3067\u304d\u308b\u9650\u308a\u4e00\u8cab\u3057\u305f\u69cb\u6210\u3067\u7ba1\u7406<\/strong>\u3059\u308b\u3053\u3068\u304c\u91cd\u8981<\/p>\n<\/li>\n<\/ul>\n<hr>\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306e\u307e\u3068\u3081\uff1a<\/p>\n<ul>\n<li>\n<p>\u8d77\u52d5\u9806\u306e\u4fdd\u8a3c\u3060\u3051\u3067\u306a\u304f\u3001\u300c\u63a5\u7d9a\u53ef\u80fd\u306a\u72b6\u614b\u300d\u307e\u3067\u5f85\u3064\u8a2d\u8a08\u3092\u5c0e\u5165\u3059\u308b<\/p>\n<\/li>\n<li>\n<p>\u8a2d\u5b9a\u306f\u74b0\u5883\u5909\u6570\u30d9\u30fc\u30b9\u3067\u67d4\u8edf\u306b\u7ba1\u7406\u3057\u3001\u5916\u90e8\u30d5\u30a1\u30a4\u30eb\u306b\u5207\u308a\u51fa\u3059<\/p>\n<\/li>\n<li>\n<p>\u30a4\u30e1\u30fc\u30b8\u306e\u8efd\u91cf\u5316\u3001\u30ed\u30b0\u306e\u53ef\u8996\u5316\u3001\u74b0\u5883\u4e00\u8cab\u6027\u306e\u78ba\u4fdd\u3067\u3001<strong>\u958b\u767a\u30c8\u30e9\u30d6\u30eb\u306e\u4e88\u9632\u3068\u904b\u7528\u6027\u306e\u5411\u4e0a<\/strong>\u3092\u5b9f\u73fe\u3059\u308b<\/p>\n<\/li>\n<\/ul>\n<hr>\n<h2 id=\"sec-summary\">\u307e\u3068\u3081\uff5c\u3082\u3046\u300c\u7e4b\u304c\u3089\u306a\u3044\uff01\u300d\u3067\u60a9\u307e\u306a\u3044<\/h2>\n<p>\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u4f55\u304c\u89e3\u6c7a\u3067\u304d\u308b\u304b\uff1a<br \/>\u3053\u306e\u8a18\u4e8b\u5168\u4f53\u306e\u8981\u70b9\u3092\u632f\u308a\u8fd4\u308a\u3001\u8aad\u8005\u304c\u300c\u306a\u305c\u7e4b\u304c\u3089\u306a\u3044\u306e\u304b\uff1f\u300d\u3078\u306e\u7406\u89e3\u3092\u6df1\u3081\u3001\u4eca\u5f8c\u306e\u30c8\u30e9\u30d6\u30eb\u306b\u5bfe\u3059\u308b<strong>\u81ea\u4fe1\u3068\u518d\u73fe\u6027\u306e\u3042\u308b\u5bfe\u5fdc\u529b<\/strong>\u3092\u5f97\u3089\u308c\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<br \/>\u307e\u305f\u3001\u3055\u3089\u306a\u308b\u5b66\u7fd2\u3084\u5b9f\u8df5\u3078\u306e\u9053\u7b4b\u3092\u660e\u793a\u3057\u3001\u300c\u6b21\u306b\u3084\u308b\u3079\u304d\u3053\u3068\u300d\u304c\u660e\u78ba\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<hr>\n<h3>\u672c\u8a18\u4e8b\u3067\u5b66\u3093\u3060\u3053\u3068\u306e\u632f\u308a\u8fd4\u308a<\/h3>\n<ol>\n<li>\n<p><strong>\u3088\u304f\u3042\u308b\u5931\u6557\u30d1\u30bf\u30fc\u30f3\u3092\u5177\u4f53\u4f8b\u3067\u628a\u63e1<\/strong><\/p>\n<ul>\n<li>\n<p>localhost \u306e\u8aa4\u7528<\/p>\n<\/li>\n<li>\n<p>\u30dd\u30fc\u30c8\u306e\u52d8\u9055\u3044<\/p>\n<\/li>\n<li>\n<p>depends_on \u306b\u3088\u308b\u8d77\u52d5\u9806\u5236\u5fa1\u306e\u9650\u754c<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>Docker \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u63a5\u7d9a\u30e1\u30ab\u30cb\u30ba\u30e0\u306e\u7406\u89e3<\/strong><\/p>\n<ul>\n<li>\n<p>\u30b5\u30fc\u30d3\u30b9\u540d\u306b\u3088\u308b DNS \u89e3\u6c7a<\/p>\n<\/li>\n<li>\n<p>application.yml \u3068\u74b0\u5883\u5909\u6570\u306e\u9023\u643a<\/p>\n<\/li>\n<li>\n<p>\u30b3\u30f3\u30c6\u30ca\u9593\u901a\u4fe1\u3068 JDBC \u306e\u4ed5\u7d44\u307f<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u518d\u73fe\u6027\u306e\u3042\u308b\u30c7\u30d0\u30c3\u30b0\u624b\u9806\u3068\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/strong><\/p>\n<ul>\n<li>\n<p>\u30b3\u30f3\u30c6\u30ca\u72b6\u614b\u78ba\u8a8d<\/p>\n<\/li>\n<li>\n<p>\u63a5\u7d9a\u30c6\u30b9\u30c8\u30b3\u30de\u30f3\u30c9<\/p>\n<\/li>\n<li>\n<p>\u30ed\u30b0\u306e\u8aad\u307f\u65b9<\/p>\n<\/li>\n<li>\n<p>\u69cb\u6210\u306e\u6700\u5c0f\u5316\u3068\u5207\u308a\u5206\u3051<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p><strong>\u8a2d\u8a08\u30ec\u30d9\u30eb\u3067\u306e\u30c8\u30e9\u30d6\u30eb\u4e88\u9632\u7b56<\/strong><\/p>\n<ul>\n<li>\n<p>healthcheck \u3068 wait-for-it.sh<\/p>\n<\/li>\n<li>\n<p>\u8a2d\u5b9a\u306e\u5916\u90e8\u5316\u30fb\u79d8\u533f\u5316<\/p>\n<\/li>\n<li>\n<p>\u30a4\u30e1\u30fc\u30b8\u6700\u9069\u5316\u30fb\u30ed\u30ae\u30f3\u30b0\u6574\u5099<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<hr>\n<h3>\u8aad\u8005\u304c\u5f97\u305f\u4fa1\u5024<\/h3>\n<ul>\n<li>\n<p>\u300c\u7e4b\u304c\u3089\u306a\u3044\u300d\u539f\u56e0\u3092<strong>\u7406\u5c48\u3067\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f<\/strong><\/p>\n<\/li>\n<li>\n<p>\u5358\u306a\u308b\u30a8\u30e9\u30fc\u56de\u907f\u3067\u306f\u306a\u304f\u3001<strong>\u672c\u8cea\u7684\u306a\u4ed5\u7d44\u307f\u306b\u57fa\u3065\u3044\u305f\u5bfe\u5fdc<\/strong>\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f<\/p>\n<\/li>\n<li>\n<p>\u4f3c\u305f\u554f\u984c\u304c\u8d77\u304d\u3066\u3082\u3001<strong>\u4e00\u4eba\u3067\u51b7\u9759\u306b\u5207\u308a\u5206\u3051\u3066\u9032\u3081\u3089\u308c\u308b\u624b\u9806<\/strong>\u3092\u624b\u306b\u5165\u308c\u305f<\/p>\n<\/li>\n<\/ul>\n<hr>\n<h3>\u6b21\u306b\u3067\u304d\u308b\u3053\u3068\u30fb\u304a\u3059\u3059\u3081\u30ea\u30bd\u30fc\u30b9<\/h3>\n<ul>\n<li>\n<p>\u672c\u8a18\u4e8b\u306e\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u3092\u30d9\u30fc\u30b9\u306b\u3057\u305f<strong>\u81ea\u4f5c\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u4f5c\u6210<\/strong><\/p>\n<\/li>\n<li>\n<p>\u3088\u308a\u5b9f\u8df5\u7684\u306a\u691c\u8a3c\u74b0\u5883\u306e\u69cb\u7bc9\uff08\u8907\u6570DB\u3001Redis \u3068\u306e\u9023\u643a\u306a\u3069\uff09<\/p>\n<\/li>\n<\/ul>\n<hr>\n<h3>\u6700\u5f8c\u306b<\/h3>\n<p>Spring Boot \u3068 Docker Compose \u3092\u4f7f\u3063\u305f\u958b\u767a\u306f\u3001\u74b0\u5883\u306e\u67d4\u8edf\u6027\u3068\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u306e\u9762\u3067\u5927\u304d\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u540c\u6642\u306b\u300c\u898b\u3048\u3065\u3089\u3044\u58c1\u300d\u306b\u3088\u308b\u3064\u307e\u305a\u304d\u3082\u8d77\u3053\u308a\u3084\u3059\u3044\u9818\u57df\u3067\u3059\u3002<br \/>\u3057\u304b\u3057\u3001\u4ed5\u7d44\u307f\u3092\u6b63\u3057\u304f\u7406\u89e3\u3057\u3001\u69cb\u6210\u306e\u539f\u5247\u3092\u62bc\u3055\u3048\u308c\u3070\u3001<strong>\u63a5\u7d9a\u30a8\u30e9\u30fc\u306f\u6050\u308c\u308b\u3079\u304d\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/strong><\/p>\n<p>\u300c\u306a\u305c\u7e4b\u304c\u3089\u306a\u3044\u306e\u304b\uff1f\u300d\u3068\u8ff7\u3063\u3066\u3044\u305f\u3042\u306e\u65e5\u306b\u3001\u7d42\u6b62\u7b26\u3092\u6253\u3061\u307e\u3057\u3087\u3046\u3002<br \/>\u3042\u306a\u305f\u306e Spring Boot + Docker \u958b\u767a\u306f\u3001\u4eca\u65e5\u304b\u3089\u3082\u3046\u4e00\u6bb5\u4e0a\u306e\u30ec\u30d9\u30eb\u306b\u9032\u3081\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<h3>\u3010\u5916\u90e8\u30ea\u30f3\u30af\u3011<\/h3>\n<p><a href=\"https:\/\/docs.docker.com\/compose\/networking\/\">Docker\u516c\u5f0f: Docker Compose \u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0<\/a><\/p>\n<p><a href=\"https:\/\/spring.io\/guides\/gs\/spring-boot-docker\/\">Spring Boot \u3068 Docker \u306e\u516c\u5f0f\u30ac\u30a4\u30c9<\/a><\/p>\n<h3>\u3010\u5185\u90e8\u30ea\u30f3\u30af\u3011<\/h3>\n<p><a href=\"https:\/\/route-zero.com\/recruit\/route\/1088\/\">Spring Boot\u30a2\u30d7\u30ea\u958b\u767a\u3067\u983b\u767a\u3059\u308bWhitelabel Error Page\uff5cThymeleaf\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30a8\u30e9\u30fc\u3068\u5bfe\u7b56\u307e\u3068\u3081<\/a><\/p>\n<p><a href=\"https:\/\/route-zero.com\/recruit\/route\/936\/\">Docker + Spring Boot \u3067\u624b\u8efd\u306b\u958b\u767a\u74b0\u5883\u3092\u69cb\u7bc9\u3057\u3088\u3046\uff01<\/a><\/p>\n<p><a href=\"https:\/\/route-zero.com\/recruit\/route\/1115\/\">Spring Boot \u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u5165\u9580\uff5cMVC\u7d71\u5408\u3068\u30ab\u30b9\u30bf\u30e0\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u5b9f\u8df5\u4f8b<\/a><\/p>\n<p><a href=\"https:\/\/route-zero.com\/recruit\/route\/1100\/\">\u3010Spring Boot\u5b9f\u8df5\u30ac\u30a4\u30c9\u3011List\u578b\u30fbMap\u578b\u306e\u9055\u3044\u3068Bean\u30af\u30e9\u30b9\u306e\u57fa\u790e\uff06\u5fdc\u7528<\/a><\/p>\n<p><a href=\"https:\/\/route-zero.com\/recruit\/route\/922\/\">Java\u3068Spring Boot\u3067\u5b66\u3076Web\u30a2\u30d7\u30ea\u4f5c\u6210\u306e\u7b2c\u4e00\u6b69\uff5c\u521d\u5fc3\u8005\u5411\u3051\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u30ac\u30a4\u30c9<\/a><\/p>\n<p><a href=\"https:\/\/route-zero.com\/recruit\/route\/1336\/\">\u3010\u521d\u5fc3\u8005\u5411\u3051\u3011Spring Boot \u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u53d7\u3051\u53d6\u308a\uff5c@ModelAttribute \u3068 @RequestBody \u306e\u9055\u3044\u3068\u4f7f\u3044\u5206\u3051<\/a><\/p>\n<p><a href=\"https:\/\/route-zero.com\/recruit\/route\/1302\/\">Spring Boot\u3067\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3055\u308c\u306a\u3044\u539f\u56e0\u3068\u306f\uff1f@Transactional\u5b8c\u5168\u30ac\u30a4\u30c9<\/a><\/p>\n<p><a href=\"https:\/\/route-zero.com\/recruit\/route\/1269\/\">MVC\u69cb\u6210\u3092\u7406\u89e3\u3059\u308c\u3070\u73fe\u5834\u3067\u8a70\u307e\u3089\u306a\u3044 | Spring Boot\u5b9f\u88c5\u30ac\u30a4\u30c9<\/a><\/p>\n<p><a href=\"https:\/\/route-zero.com\/recruit\/route\/1264\/\">\u3010\u4fdd\u5b58\u7248\u3011JPA vs JDBC\u2502Spring Boot\u3067\u306e\u5b9f\u52d9\u7684\u306a\u4f7f\u3044\u5206\u3051\u3068\u5c0e\u5165\u5224\u65ad\u30ac\u30a4\u30c9<\/a><\/p>\n<p><a href=\"https:\/\/route-zero.com\/recruit\/route\/1327\/\">Spring Boot \u306e@Autowired \u306f\u306a\u305c\u52d5\u304f\uff1fNullPointerException \u5bfe\u7b56\u304b\u3089\u5b66\u3076 DI\/IoC \u306e\u57fa\u672c\u3068\u300c\u6b63\u3057\u3044\u300d\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u7ba1\u7406\u8853<\/a><\/p>\n<p><a href=\"https:\/\/route-zero.com\/recruit\/route\/1138\/\">Java\u306efor\u6587\u3092Stream\u306b\u66f8\u304d\u63db\u3048\u308b\u306b\u306f\uff1fSpring Boot\u3067\u306e\u5b9f\u8df5\u4f8b\u4ed8\u304d\u3067\u308f\u304b\u308b\uff01<\/a><\/p>\n<p><a href=\"https:\/\/route-zero.com\/recruit\/route\/1299\/\">Spring Boot\u3067\u7406\u89e3\u3059\u308bGET\u3068POST\u306e\u9055\u3044\uff5cThymeleaf\u5b9f\u88c5\u4f8b\u4ed8\u304d\u3067\u521d\u5fc3\u8005\u306e\u753b\u9762\u9077\u79fb\u30fb\u30a8\u30e9\u30fc\u5bfe\u5fdc\u307e\u3067\u4e01\u5be7\u89e3\u8aac<\/a><\/p>\n<p><a href=\"https:\/\/route-zero.com\/recruit\/route\/1104\/\">Spring Boot\u306e\u3088\u304f\u4f7f\u308f\u308c\u308b\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3068\u306f\uff1f\u521d\u5fc3\u8005\u5fc5\u898b\u306e\u89e3\u8aac\u3068\u6d3b\u7528\u6cd5<\/a><\/p>\n<p><a href=\"https:\/\/route-zero.com\/recruit\/route\/1123\/\">Docker\u3068\u306f\uff1f\u521d\u5fc3\u8005\u5411\u3051\uff1a\u57fa\u790e\u304b\u3089\u5b9f\u8df5\u307e\u3067\u5b8c\u5168\u30ac\u30a4\u30c9<\/a><\/p>\n<p><a href=\"https:\/\/route-zero.com\/recruit\/route\/912\/\">\u3010Docker\u5165\u9580\u3011MySQL\u74b0\u5883\u3092\u624b\u8efd\u306b\u69cb\u7bc9\u3059\u308b\u65b9\u6cd5\u3092\u5fb9\u5e95\u89e3\u8aac<\/a><\/p>\n<\/div>\n","protected":false},"featured_media":1367,"template":"","_links":{"self":[{"href":"https:\/\/route-zero.com\/recruit\/wp-json\/wp\/v2\/route\/1366"}],"collection":[{"href":"https:\/\/route-zero.com\/recruit\/wp-json\/wp\/v2\/route"}],"about":[{"href":"https:\/\/route-zero.com\/recruit\/wp-json\/wp\/v2\/types\/route"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/route-zero.com\/recruit\/wp-json\/wp\/v2\/media\/1367"}],"wp:attachment":[{"href":"https:\/\/route-zero.com\/recruit\/wp-json\/wp\/v2\/media?parent=1366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}