{"id":304897,"date":"2024-05-20T19:33:18","date_gmt":"2024-05-20T11:33:18","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/304897.html"},"modified":"2024-05-20T19:33:34","modified_gmt":"2024-05-20T11:33:34","slug":"dockerfile-%e5%a6%82%e4%bd%95%e5%88%b6%e4%bd%9c-java-%e8%bf%90%e8%a1%8c%e7%8e%af%e5%a2%83%e7%9a%84%e9%95%9c%e5%83%8f","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/304897.html","title":{"rendered":"Dockerfile \u5982\u4f55\u5236\u4f5c java \u8fd0\u884c\u73af\u5883\u7684\u955c\u50cf"},"content":{"rendered":"

\"Dockerfile<\/p>\n

\u5236\u4f5c\u7528\u4e8eJava\u8fd0\u884c\u73af\u5883\u7684Docker\u955c\u50cf\uff0c\u4e3b\u8981\u6d89\u53ca\u51e0\u4e2a\u5173\u952e\u6b65\u9aa4\uff1a\u9009\u62e9\u5408\u9002\u7684\u57fa\u7840\u955c\u50cf\u3001\u5b89\u88c5Java\u8fd0\u884c\u73af\u5883\u3001\u914d\u7f6e\u73af\u5883\u53d8\u91cf\u3001\u6253\u5305\u548c\u4f18\u5316\u955c\u50cf<\/strong>\u3002\u4ee5\u9009\u62e9\u5408\u9002\u7684\u57fa\u7840\u955c\u50cf\u4e3a\u4f8b\uff0c\u8fd9\u662f\u6784\u5efa\u9ad8\u6548Java\u955c\u50cf\u7684\u57fa\u7840\u3002\u901a\u5e38\uff0c\u6211\u4eec\u4f1a\u9009\u7528\u5b98\u65b9\u7684\u8f7b\u91cf\u7ea7Linux\u53d1\u884c\u7248\u672c\u4f5c\u4e3a\u57fa\u7840\u955c\u50cf\uff0c\u5982Alpine Linux\u6216\u8005\u662f\u76f4\u63a5\u4f7f\u7528OpenJDK\u5b98\u65b9\u955c\u50cf\uff0c\u8fd9\u6709\u5229\u4e8e\u51cf\u5c0f\u6700\u7ec8\u955c\u50cf\u7684\u5927\u5c0f\uff0c\u52a0\u5feb\u90e8\u7f72\u901f\u5ea6\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u9009\u62e9\u5408\u9002\u7684\u57fa\u7840\u955c\u50cf<\/h2>\n<\/p>\n

\u57fa\u7840\u955c\u50cf\u7684\u9009\u62e9\u76f4\u63a5\u5f71\u54cd\u5230\u6700\u7ec8\u955c\u50cf\u7684\u5927\u5c0f\u3001\u5b89\u5168\u6027\u4ee5\u53ca\u6784\u5efa\u901f\u5ea6\u3002\u5bf9\u4e8eJava\u5e94\u7528\u6765\u8bf4\uff0c\u5e38\u89c1\u7684\u9009\u62e9\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u4ece\u6700\u5c0f\u5316Linux\u53d1\u884c\u7248\u5f00\u59cb\uff0c\u5982Alpine Linux\uff0c\u7136\u540e\u624b\u52a8\u5b89\u88c5Java\u8fd0\u884c\u73af\u5883\uff1b\u6216\u8005\u662f\u76f4\u63a5\u4f7f\u7528\u5df2\u7ecf\u5305\u542bJava\u73af\u5883\u7684\u5b98\u65b9\u955c\u50cf\uff0c\u5982OpenJDK\u5b98\u65b9\u955c\u50cf\u3002<\/p>\n<\/p>\n

Alpine Linux\u57fa\u7840\u955c\u50cf<\/h3>\n<\/p>\n

Alpine Linux\u56e0\u5176\u8f7b\u91cf\u7ea7\u800c\u5e7f\u53d7\u6b22\u8fce\uff0c\u53ef\u4ee5\u4f5c\u4e3a\u6784\u5efaJava\u955c\u50cf\u7684\u57fa\u7840\u3002\u5b83\u7684\u4f18\u52bf\u5728\u4e8e\u4f53\u79ef\u5c0f\uff0c\u5b89\u5168\u6027\u9ad8\uff0c\u975e\u5e38\u9002\u5408\u7528\u6765\u6784\u5efa\u6700\u5c0f\u5316\u7684\u4ea7\u54c1\u955c\u50cf\u3002\u4ece\u8fd9\u6837\u7684\u57fa\u7840\u955c\u50cf\u5f00\u59cb\uff0c\u6211\u4eec\u9700\u8981\u624b\u52a8\u5b89\u88c5Java\uff0c\u8fd9\u9700\u8981\u901a\u8fc7Dockerfile\u91cc\u7684\u6307\u4ee4\u6765\u5b8c\u6210\u3002<\/p>\n<\/p>\n

OpenJDK\u5b98\u65b9\u955c\u50cf<\/h3>\n<\/p>\n

\u53e6\u4e00\u79cd\u9009\u62e9\u662f\u76f4\u63a5\u4f7f\u7528OpenJDK\u7684\u5b98\u65b9\u955c\u50cf\uff0c\u8fd9\u79cd\u955c\u50cf\u5df2\u7ecf\u9884\u5b89\u88c5\u4e86Java\u8fd0\u884c\u73af\u5883\uff0c\u5bf9\u4e8e\u5e0c\u671b\u7b80\u5316\u6784\u5efa\u8fc7\u7a0b\u7684\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u5408\u9002\u7684\u9009\u62e9\u3002\u5b98\u65b9\u955c\u50cf\u901a\u5e38\u4f1a\u63d0\u4f9b\u591a\u4e2a\u7248\u672c\u7684Java\u73af\u5883\uff0c\u5305\u62ec\u4e0d\u540c\u7684JDK\u7248\u672c\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u4f7f\u7528\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u5b89\u88c5Java\u8fd0\u884c\u73af\u5883<\/h2>\n<\/p>\n

\u9009\u62e9\u4e86\u57fa\u7840\u955c\u50cf\u540e\uff0c\u5982\u679c\u6ca1\u6709\u9884\u88c5Java\u73af\u5883\uff0c\u63a5\u4e0b\u6765\u5c31\u9700\u8981\u624b\u52a8\u5b89\u88c5\u3002\u8fd9\u4e00\u6b65\u9aa4\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u6ce8\u610fJava\u7248\u672c\u7684\u9009\u62e9\u3001\u4ee5\u53ca\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u9047\u5230\u7684\u4f9d\u8d56\u95ee\u9898\u3002<\/p>\n<\/p>\n

\u624b\u52a8\u5b89\u88c5Java<\/h3>\n<\/p>\n

\u5f53\u57fa\u4e8e\u5982Alpine Linux\u8fd9\u6837\u7684\u8f7b\u91cf\u7ea7\u57fa\u7840\u955c\u50cf\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u5305\u7ba1\u7406\u5668\u5b89\u88c5Java\u3002\u4ee5Alpine Linux\u4e3a\u4f8b\uff0c\u53ef\u4ee5\u4f7f\u7528apk<\/code>\u5305\u7ba1\u7406\u5668\u6765\u5b89\u88c5OpenJDK\uff0c\u8fd9\u9700\u8981\u5728Dockerfile\u4e2d\u6dfb\u52a0\u76f8\u5e94\u7684RUN<\/code>\u6307\u4ee4\u6765\u6267\u884c\u3002\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u8fd0\u884cjava -version<\/code>\u547d\u4ee4\u6765\u9a8c\u8bc1\u5b89\u88c5\u662f\u5426\u6210\u529f\u3002<\/p>\n<\/p>\n

\u4f7f\u7528\u5b98\u65b9Java\u955c\u50cf<\/h3>\n<\/p>\n

\u5bf9\u4e8e\u76f4\u63a5\u4f7f\u7528OpenJDK\u5b98\u65b9\u955c\u50cf\u7684\u60c5\u51b5\uff0c\u53ef\u4ee5\u8df3\u8fc7\u624b\u52a8\u5b89\u88c5Java\u7684\u6b65\u9aa4\u3002\u4e0d\u8fc7\uff0c\u6211\u4eec\u4f9d\u7136\u9700\u8981\u5b9a\u5236\u5316\u4e00\u4e9b\u914d\u7f6e\uff0c\u4ee5\u9002\u5e94\u6211\u4eec\u7684\u5e94\u7528\u9700\u6c42\u3002\u8fd9\u53ef\u80fd\u5305\u62ec\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf\u3001\u8c03\u6574JVM\u53c2\u6570\u7b49\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u914d\u7f6e\u73af\u5883\u53d8\u91cf<\/h2>\n<\/p>\n

\u6b63\u786e\u914d\u7f6e\u73af\u5883\u53d8\u91cf\u662f\u786e\u4fddJava\u5e94\u7528\u987a\u5229\u8fd0\u884c\u7684\u5173\u952e\u3002\u8fd9\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u8bbe\u7f6eJAVA_HOME\u73af\u5883\u53d8\u91cf\u3001\u914d\u7f6eJVM\u542f\u52a8\u53c2\u6570\u7b49\u3002<\/p>\n<\/p>\n

\u8bbe\u7f6eJAVA_HOME<\/h3>\n<\/p>\n

JAVA_HOME<\/code>\u73af\u5883\u53d8\u91cf\u6307\u793a\u4e86Java\u8fd0\u884c\u73af\u5883\u7684\u5b89\u88c5\u76ee\u5f55\u3002\u8fd9\u4e2a\u53d8\u91cf\u5bf9\u4e8e\u67d0\u4e9bJava\u5e94\u7528\u548c\u5de5\u5177\u6765\u8bf4\u662f\u5fc5\u9700\u7684\u3002\u5728Dockerfile\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528ENV<\/code>\u6307\u4ee4\u6765\u8bbe\u7f6e\u6b64\u73af\u5883\u53d8\u91cf\u3002<\/p>\n<\/p>\n

\u914d\u7f6eJVM\u542f\u52a8\u53c2\u6570<\/h3>\n<\/p>\n

\u8c03\u6574JVM\u53c2\u6570\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u5229\u7528\u5bb9\u5668\u8d44\u6e90\uff0c\u63d0\u9ad8\u5e94\u7528\u6027\u80fd\u3002\u8fd9\u5305\u62ec\u8bbe\u7f6e\u5806\u5927\u5c0f\u3001\u5783\u573e\u56de\u6536\u7b56\u7565\u7b49\u3002\u8fd9\u4e9b\u53c2\u6570\u53ef\u4ee5\u901a\u8fc7\u73af\u5883\u53d8\u91cf\u4f20\u9012\u7ed9JVM\uff0c\u6216\u8005\u5728\u542f\u52a8Java\u5e94\u7528\u65f6\u76f4\u63a5\u6307\u5b9a\u3002<\/p>\n<\/p>\n

\u56db\u3001\u6253\u5305\u548c\u4f18\u5316\u955c\u50cf<\/h2>\n<\/p>\n

\u6700\u540e\uff0c\u6211\u4eec\u9700\u8981\u5c06Java\u5e94\u7528\u53ca\u5176\u4f9d\u8d56\u6253\u5305\u8fdbDocker\u955c\u50cf\uff0c\u5e76\u8fdb\u884c\u4f18\u5316\uff0c\u4ee5\u51cf\u5c0f\u955c\u50cf\u4f53\u79ef\u3001\u63d0\u9ad8\u6784\u5efa\u6548\u7387\u548c\u8fd0\u884c\u6027\u80fd\u3002<\/p>\n<\/p>\n

\u5229\u7528\u591a\u9636\u6bb5\u6784\u5efa\u51cf\u5c0f\u955c\u50cf\u4f53\u79ef<\/h3>\n<\/p>\n

Docker\u7684\u591a\u9636\u6bb5\u6784\u5efa\u529f\u80fd\u5141\u8bb8\u6211\u4eec\u5728\u4e00\u4e2aDockerfile\u4e2d\u4f7f\u7528\u591a\u4e2a\u6784\u5efa\u9636\u6bb5\uff0c\u8fd9\u6709\u52a9\u4e8e\u51cf\u5c11\u6700\u7ec8\u955c\u50cf\u7684\u5927\u5c0f\u3002\u6211\u4eec\u53ef\u4ee5\u5728\u4e00\u4e2a\u9636\u6bb5\u6784\u5efaJava\u5e94\u7528\uff0c\u7136\u540e\u5c06\u7f16\u8bd1\u540e\u7684\u5e94\u7528\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u57fa\u4e8e\u8f7b\u91cf\u7ea7\u57fa\u7840\u955c\u50cf\u7684\u9636\u6bb5\u3002<\/p>\n<\/p>\n

\u6e05\u7406\u6784\u5efa\u7f13\u5b58\u548c\u4e0d\u5fc5\u8981\u7684\u6587\u4ef6<\/h3>\n<\/p>\n

\u5728\u6784\u5efa\u8fc7\u7a0b\u4e2d\uff0c\u4e00\u4e9b\u4e34\u65f6\u6587\u4ef6\u6216\u6784\u5efa\u4f9d\u8d56\u53ef\u80fd\u4f1a\u88ab\u62c9\u53d6\u5230\u955c\u50cf\u4e2d\uff0c\u589e\u52a0\u4e86\u955c\u50cf\u7684\u4f53\u79ef\u3002\u901a\u8fc7\u9002\u5f53\u7684Dockerfile\u6307\u4ee4\u6e05\u7406\u8fd9\u4e9b\u6587\u4ef6\uff0c\u53ef\u4ee5\u8fdb\u4e00\u6b65\u51cf\u5c0f\u955c\u50cf\u5927\u5c0f\u3002<\/p>\n<\/p>\n

\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u4f60\u5c31\u80fd\u6210\u529f\u6784\u5efa\u4e00\u4e2a\u4e3aJava\u5e94\u7528\u91cf\u8eab\u5b9a\u5236\u7684Docker\u955c\u50cf\u3002\u8fd9\u4e2a\u955c\u50cf\u4e0d\u4ec5\u8f7b\u91cf\u3001\u9ad8\u6548\uff0c\u8fd8\u80fd\u6ee1\u8db3\u5404\u79cd\u4e0d\u540c\u7684\u8fd0\u884c\u548c\u90e8\u7f72\u9700\u6c42\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

\u5982\u4f55\u5728Dockerfile\u4e2d\u521b\u5efa\u4e00\u4e2a\u7528\u4e8e\u8fd0\u884cJava\u7684\u955c\u50cf\uff1f<\/strong><\/p>\n

    \n
  1. \n

    \u6211\u53ef\u4ee5\u4f7f\u7528Dockerfile\u521b\u5efa\u4e00\u4e2aJava\u8fd0\u884c\u73af\u5883\u7684\u955c\u50cf\u5417\uff1f<\/strong>
    \n\u662f\u7684\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2aDockerfile\u6587\u4ef6\u6765\u521b\u5efa\u4e00\u4e2a\u5305\u542bJava\u8fd0\u884c\u73af\u5883\u7684\u955c\u50cf\u3002Dockerfile\u662f\u4e00\u4e2a\u6587\u672c\u6587\u4ef6\uff0c\u7528\u4e8e\u81ea\u52a8\u5316\u6784\u5efaDocker\u955c\u50cf\u3002<\/p>\n<\/li>\n

  2. \n

    \u6709\u54ea\u4e9b\u6b65\u9aa4\u53ef\u4ee5\u5728Dockerfile\u4e2d\u5b9e\u73b0\u521b\u5efaJava\u8fd0\u884c\u73af\u5883\u7684\u955c\u50cf\uff1f<\/strong>
    \n\u5728Dockerfile\u4e2d\uff0c\u4f60\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u521b\u5efaJava\u8fd0\u884c\u73af\u5883\u7684\u955c\u50cf\uff1a<\/p>\n

      \n
    • \u4f7f\u7528\u4e00\u4e2a\u57fa\u7840\u955c\u50cf\uff0c\u5982Ubuntu\u6216Alpine\uff0c\u4f5c\u4e3a\u6784\u5efa\u4f60\u7684\u955c\u50cf\u7684\u57fa\u7840\u3002<\/li>\n
    • \u5b89\u88c5Java\u5f00\u53d1\u5de5\u5177\u5305\uff08JDK\uff09\u6216Java\u8fd0\u884c\u65f6\u73af\u5883\uff08JRE\uff09\u3002<\/li>\n
    • \u8bbe\u7f6eJava\u73af\u5883\u53d8\u91cf\uff0c\u5982JAVA_HOME\u548cPATH\u3002<\/li>\n
    • \u5c06\u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u6216Jar\u6587\u4ef6\u590d\u5236\u5230\u955c\u50cf\u4e2d\u3002<\/li>\n
    • \u66b4\u9732\u5bb9\u5668\u7684\u7aef\u53e3\uff0c\u4ee5\u4fbf\u5176\u4ed6\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u8bbf\u95ee\u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n

      \u80fd\u5426\u63d0\u4f9b\u4e00\u4e2a\u793a\u4f8b\u7684Dockerfile\u6765\u521b\u5efaJava\u8fd0\u884c\u73af\u5883\u7684\u955c\u50cf\uff1f<\/strong>
      \n\u5f53\u7136\uff0c\u8fd9\u662f\u4e00\u4e2a\u793a\u4f8b\u7684Dockerfile\u6765\u521b\u5efa\u4e00\u4e2a\u57fa\u4e8eUbuntu\u955c\u50cf\u7684Java\u8fd0\u884c\u73af\u5883\u7684\u955c\u50cf\uff1a<\/p>\n

      FROM ubuntu:latest\n\n# \u5b89\u88c5OpenJDK 8\nRUN apt-get update && apt-get install -y openjdk-8-jdk\n\n# \u8bbe\u7f6eJava\u73af\u5883\u53d8\u91cf\nENV JAVA_HOME \/usr\/lib\/jvm\/java-8-openjdk-amd64\nENV PATH $PATH:$JAVA_HOME\/bin\n\n# \u5c06\u5e94\u7528\u7a0b\u5e8f\u590d\u5236\u5230\u955c\u50cf\u4e2d\nCOPY your_app.jar \/app\/your_app.jar\n\n# \u66b4\u9732\u7aef\u53e3\nEXPOSE 8080\n\n# \u6dfb\u52a0\u5bb9\u5668\u542f\u52a8\u547d\u4ee4\nCMD ["java", "-jar", "\/app\/your_app.jar"]\n<\/code><\/pre>\n
      \u8fd9\u4e2a\u793a\u4f8bDockerfile\u5c06\u5b89\u88c5OpenJDK 8\u5e76\u8bbe\u7f6eJava\u73af\u5883\u53d8\u91cf\uff0c\u7136\u540e\u5c06\u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u590d\u5236\u5230\u955c\u50cf\u4e2d\u3002\u6700\u540e\uff0c\u901a\u8fc7CMD\u547d\u4ee4\u5b9a\u4e49\u5bb9\u5668\u542f\u52a8\u547d\u4ee4\uff0c\u4ee5\u8fd0\u884c\u4f60\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u8fdb\u884c\u4fee\u6539\u548c\u5b9a\u5236\u3002<\/p>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"\u5236\u4f5c\u7528\u4e8eJava\u8fd0\u884c\u73af\u5883\u7684Docker\u955c\u50cf\uff0c\u4e3b\u8981\u6d89\u53ca\u51e0\u4e2a\u5173\u952e\u6b65\u9aa4\uff1a\u9009\u62e9\u5408\u9002\u7684\u57fa\u7840\u955c\u50cf\u3001\u5b89\u88c5Java\u8fd0\u884c\u73af\u5883\u3001\u914d […]","protected":false},"author":3,"featured_media":304925,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/304897"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=304897"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/304897\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/304925"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=304897"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=304897"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=304897"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}