{"id":436,"date":"2022-05-17T10:58:42","date_gmt":"2022-05-17T02:58:42","guid":{"rendered":"http:\/\/usei.cn\/?p=436"},"modified":"2022-05-17T11:07:27","modified_gmt":"2022-05-17T03:07:27","slug":"docker-dockerfile-%e6%9e%84%e5%bb%ba%e9%95%9c%e5%83%8f","status":"publish","type":"post","link":"https:\/\/usei.cn\/index.php\/2022\/05\/17\/docker-dockerfile-%e6%9e%84%e5%bb%ba%e9%95%9c%e5%83%8f\/","title":{"rendered":"Docker Dockerfile \u6784\u5efa\u955c\u50cf"},"content":{"rendered":"\n

\u4ec0\u4e48\u662f Dockerfile\uff1f<\/h3>\n\n\n\n

Dockerfile \u662f\u4e00\u4e2a\u7528\u6765\u6784\u5efa\u955c\u50cf\u7684\u6587\u672c\u6587\u4ef6\uff0c\u6587\u672c\u5185\u5bb9\u5305\u542b\u4e86\u4e00\u6761\u6761\u6784\u5efa\u955c\u50cf\u6240\u9700\u7684\u6307\u4ee4\u548c\u8bf4\u660e\u3002<\/p>\n\n\n\n

\u4f7f\u7528 Dockerfile \u5b9a\u5236\u955c\u50cf<\/h3>\n\n\n\n

\u8fd9\u91cc\u4ec5\u8bb2\u89e3\u5982\u4f55\u8fd0\u884c Dockerfile \u6587\u4ef6\u6765\u5b9a\u5236\u4e00\u4e2a\u955c\u50cf\uff0c\u53ea\u8981\u77e5\u9053\u6784\u5efa\u7684\u6d41\u7a0b\u5373\u53ef\u3002<\/p>\n\n\n\n

1\u3001\u4e0b\u9762\u4ee5\u5b9a\u5236\u4e00\u4e2a nginx \u955c\u50cf\uff08\u6784\u5efa\u597d\u7684\u955c\u50cf\u5185\u4f1a\u6709\u4e00\u4e2a \/usr\/share\/nginx\/html\/index.html \u6587\u4ef6\uff09<\/strong><\/p>\n\n\n\n

\u5728\u4e00\u4e2a\u7a7a\u76ee\u5f55\u4e0b\uff0c\u65b0\u5efa\u4e00\u4e2a\u540d\u4e3a Dockerfile \u6587\u4ef6\uff0c\u5e76\u5728\u6587\u4ef6\u5185\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n\n\n\n

FROM nginx\nRUN echo '\u8fd9\u662f\u4e00\u4e2a\u672c\u5730\u6784\u5efa\u7684nginx\u955c\u50cf' > \/usr\/share\/nginx\/html\/index.html<\/code><\/pre>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
2\u3001FROM \u548c RUN \u6307\u4ee4\u7684\u4f5c\u7528<\/strong><\/p>\n\n\n\n
FROM<\/strong>\uff1a\u5b9a\u5236\u7684\u955c\u50cf\u90fd\u662f\u57fa\u4e8e FROM \u7684\u955c\u50cf\uff0c\u8fd9\u91cc\u7684 nginx \u5c31\u662f\u5b9a\u5236\u9700\u8981\u7684\u57fa\u7840\u955c\u50cf\u3002\u540e\u7eed\u7684\u64cd\u4f5c\u90fd\u662f\u57fa\u4e8e nginx\u3002<\/p>\n\n\n\n
RUN<\/strong>\uff1a\u7528\u4e8e\u6267\u884c\u540e\u9762\u8ddf\u7740\u7684\u547d\u4ee4\u884c\u547d\u4ee4\u3002\u6709\u4ee5\u4e0b\u4fe9\u79cd\u683c\u5f0f\uff1a<\/p>\n\n\n\n
shell \u683c\u5f0f\uff1a<\/p>\n\n\n\n
RUN <\u547d\u4ee4\u884c\u547d\u4ee4>\n# <\u547d\u4ee4\u884c\u547d\u4ee4> \u7b49\u540c\u4e8e\uff0c\u5728\u7ec8\u7aef\u64cd\u4f5c\u7684 shell \u547d\u4ee4\u3002<\/code><\/pre>\n\n\n\n
exec \u683c\u5f0f\uff1a<\/p>\n\n\n\n
RUN [\"\u53ef\u6267\u884c\u6587\u4ef6\", \"\u53c2\u65701\", \"\u53c2\u65702\"]\n# \u4f8b\u5982\uff1a\n# RUN [\".\/test.php\", \"dev\", \"offline\"] \u7b49\u4ef7\u4e8e RUN .\/test.php dev offline<\/code><\/pre>\n\n\n\n
\u6ce8\u610f<\/strong>\uff1aDockerfile \u7684\u6307\u4ee4\u6bcf\u6267\u884c\u4e00\u6b21\u90fd\u4f1a\u5728 docker \u4e0a\u65b0\u5efa\u4e00\u5c42\u3002\u6240\u4ee5\u8fc7\u591a\u65e0\u610f\u4e49\u7684\u5c42\uff0c\u4f1a\u9020\u6210\u955c\u50cf\u81a8\u80c0\u8fc7\u5927\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n
FROM centos\nRUN yum -y install wget\nRUN wget -O redis.tar.gz \"http:\/\/download.redis.io\/releases\/redis-5.0.3.tar.gz\"\nRUN tar -xvf redis.tar.gz<\/code><\/pre>\n\n\n\n
\u4ee5\u4e0a\u6267\u884c\u4f1a\u521b\u5efa 3 \u5c42\u955c\u50cf\u3002\u53ef\u7b80\u5316\u4e3a\u4ee5\u4e0b\u683c\u5f0f\uff1a<\/p>\n\n\n\n
FROM centos\nRUN yum -y installwget \\\n&&wget -O redis.tar.gz \"http:\/\/download.redis.io\/releases\/redis-5.0.3.tar.gz\" \\\n&&tar -xvf redis.tar.gz<\/code><\/pre>\n\n\n\n
\u5982\u4e0a\uff0c\u4ee5 &&<\/strong> \u7b26\u53f7\u8fde\u63a5\u547d\u4ee4\uff0c\u8fd9\u6837\u6267\u884c\u540e\uff0c\u53ea\u4f1a\u521b\u5efa 1 \u5c42\u955c\u50cf\u3002<\/p>\n\n\n\n
\u5f00\u59cb\u6784\u5efa\u955c\u50cf<\/h3>\n\n\n\n
\u5728 Dockerfile \u6587\u4ef6\u7684\u5b58\u653e\u76ee\u5f55\u4e0b\uff0c\u6267\u884c\u6784\u5efa\u52a8\u4f5c\u3002<\/p>\n\n\n\n
\u4ee5\u4e0b\u793a\u4f8b\uff0c\u901a\u8fc7\u76ee\u5f55\u4e0b\u7684 Dockerfile \u6784\u5efa\u4e00\u4e2a nginx:v3\uff08\u955c\u50cf\u540d\u79f0:\u955c\u50cf\u6807\u7b7e\uff09\u3002<\/p>\n\n\n\n
\u6ce8<\/strong>\uff1a\u6700\u540e\u7684 .<\/strong> \u4ee3\u8868\u672c\u6b21\u6267\u884c\u7684\u4e0a\u4e0b\u6587\u8def\u5f84<\/p>\n\n\n\n
$ docker build -t nginx:v3 .<\/code><\/pre>\n\n\n\n
\"\"\/<\/div><\/figure>\n\n\n\n
\u4ee5\u4e0a\u663e\u793a\uff0c\u8bf4\u660e\u5df2\u7ecf\u6784\u5efa\u6210\u529f\u3002<\/p>\n\n\n\n
\u4e0a\u4e0b\u6587\u8def\u5f84<\/h3>\n\n\n\n
\u4e0a\u4e00\u8282\u4e2d\uff0c\u6709\u63d0\u5230\u6307\u4ee4\u6700\u540e\u4e00\u4e2a .<\/strong> \u662f\u4e0a\u4e0b\u6587\u8def\u5f84\uff0c\u90a3\u4e48\u4ec0\u4e48\u662f\u4e0a\u4e0b\u6587\u8def\u5f84\u5462\uff1f$ docker build -t nginx:v3 .<\/p>\n\n\n\n
\u4e0a\u4e0b\u6587\u8def\u5f84\uff0c\u662f\u6307 docker \u5728\u6784\u5efa\u955c\u50cf\uff0c\u6709\u65f6\u5019\u60f3\u8981\u4f7f\u7528\u5230\u672c\u673a\u7684\u6587\u4ef6\uff08\u6bd4\u5982\u590d\u5236\uff09\uff0cdocker build \u547d\u4ee4\u5f97\u77e5\u8fd9\u4e2a\u8def\u5f84\u540e\uff0c\u4f1a\u5c06\u8def\u5f84\u4e0b\u7684\u6240\u6709\u5185\u5bb9\u6253\u5305\u3002<\/p>\n\n\n\n
\u89e3\u6790<\/strong>\uff1a\u7531\u4e8e docker \u7684\u8fd0\u884c\u6a21\u5f0f\u662f C\/S\u3002\u6211\u4eec\u672c\u673a\u662f C\uff0cdocker \u5f15\u64ce\u662f S\u3002\u5b9e\u9645\u7684\u6784\u5efa\u8fc7\u7a0b\u662f\u5728 docker \u5f15\u64ce\u4e0b\u5b8c\u6210\u7684\uff0c\u6240\u4ee5\u8fd9\u4e2a\u65f6\u5019\u65e0\u6cd5\u7528\u5230\u6211\u4eec\u672c\u673a\u7684\u6587\u4ef6\u3002\u8fd9\u5c31\u9700\u8981\u628a\u6211\u4eec\u672c\u673a\u7684\u6307\u5b9a\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u4e00\u8d77\u6253\u5305\u63d0\u4f9b\u7ed9 docker \u5f15\u64ce\u4f7f\u7528\u3002<\/p>\n\n\n\n
\u5982\u679c\u672a\u8bf4\u660e\u6700\u540e\u4e00\u4e2a\u53c2\u6570\uff0c\u90a3\u4e48\u9ed8\u8ba4\u4e0a\u4e0b\u6587\u8def\u5f84\u5c31\u662f Dockerfile \u6240\u5728\u7684\u4f4d\u7f6e\u3002<\/p>\n\n\n\n
\u6ce8\u610f<\/strong>\uff1a\u4e0a\u4e0b\u6587\u8def\u5f84\u4e0b\u4e0d\u8981\u653e\u65e0\u7528\u7684\u6587\u4ef6\uff0c\u56e0\u4e3a\u4f1a\u4e00\u8d77\u6253\u5305\u53d1\u9001\u7ed9 docker \u5f15\u64ce\uff0c\u5982\u679c\u6587\u4ef6\u8fc7\u591a\u4f1a\u9020\u6210\u8fc7\u7a0b\u7f13\u6162\u3002<\/p>\n\n\n\n
\n\n\n\n
\u6307\u4ee4\u8be6\u89e3<\/h2>\n\n\n\n
COPY \u590d\u5236\u6307\u4ee4<\/h3>\n\n\n\n
\u4ece\u4e0a\u4e0b\u6587\u76ee\u5f55\u4e2d\u590d\u5236\u6587\u4ef6\u6216\u8005\u76ee\u5f55\u5230\u5bb9\u5668\u91cc\u6307\u5b9a\u8def\u5f84\u3002<\/p>\n\n\n\n
\u683c\u5f0f\uff1a<\/p>\n\n\n\n
COPY [--chown=<user>:<group>] <\u6e90\u8def\u5f841>...  <\u76ee\u6807\u8def\u5f84>\nCOPY [--chown=<user>:<group>] [\"<\u6e90\u8def\u5f841>\",...  \"<\u76ee\u6807\u8def\u5f84>\"]<\/code><\/pre>\n\n\n\n
[–chown=<user>:<group>]<\/strong>\uff1a\u53ef\u9009\u53c2\u6570\uff0c\u7528\u6237\u6539\u53d8\u590d\u5236\u5230\u5bb9\u5668\u5185\u6587\u4ef6\u7684\u62e5\u6709\u8005\u548c\u5c5e\u7ec4\u3002<\/p>\n\n\n\n
<\u6e90\u8def\u5f84><\/strong>\uff1a\u6e90\u6587\u4ef6\u6216\u8005\u6e90\u76ee\u5f55\uff0c\u8fd9\u91cc\u53ef\u4ee5\u662f\u901a\u914d\u7b26\u8868\u8fbe\u5f0f\uff0c\u5176\u901a\u914d\u7b26\u89c4\u5219\u8981\u6ee1\u8db3 Go \u7684 filepath.Match \u89c4\u5219\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n
COPY hom* \/mydir\/\nCOPY hom?.txt \/mydir\/<\/code><\/pre>\n\n\n\n
<\u76ee\u6807\u8def\u5f84><\/strong>\uff1a\u5bb9\u5668\u5185\u7684\u6307\u5b9a\u8def\u5f84\uff0c\u8be5\u8def\u5f84\u4e0d\u7528\u4e8b\u5148\u5efa\u597d\uff0c\u8def\u5f84\u4e0d\u5b58\u5728\u7684\u8bdd\uff0c\u4f1a\u81ea\u52a8\u521b\u5efa\u3002<\/p>\n\n\n\n
ADD<\/h3>\n\n\n\n
ADD \u6307\u4ee4\u548c COPY \u7684\u4f7f\u7528\u683c\u7c7b\u4f3c\uff08\u540c\u6837\u9700\u6c42\u4e0b\uff0c\u5b98\u65b9\u63a8\u8350\u4f7f\u7528 COPY\uff09\u3002\u529f\u80fd\u4e5f\u7c7b\u4f3c\uff0c\u4e0d\u540c\u4e4b\u5904\u5982\u4e0b\uff1a<\/p>\n\n\n\n
  • ADD \u7684\u4f18\u70b9\uff1a\u5728\u6267\u884c <\u6e90\u6587\u4ef6> \u4e3a tar \u538b\u7f29\u6587\u4ef6\u7684\u8bdd\uff0c\u538b\u7f29\u683c\u5f0f\u4e3a gzip, bzip2 \u4ee5\u53ca xz \u7684\u60c5\u51b5\u4e0b\uff0c\u4f1a\u81ea\u52a8\u590d\u5236\u5e76\u89e3\u538b\u5230 <\u76ee\u6807\u8def\u5f84>\u3002<\/li>
  • ADD \u7684\u7f3a\u70b9\uff1a\u5728\u4e0d\u89e3\u538b\u7684\u524d\u63d0\u4e0b\uff0c\u65e0\u6cd5\u590d\u5236 tar \u538b\u7f29\u6587\u4ef6\u3002\u4f1a\u4ee4\u955c\u50cf\u6784\u5efa\u7f13\u5b58\u5931\u6548\uff0c\u4ece\u800c\u53ef\u80fd\u4f1a\u4ee4\u955c\u50cf\u6784\u5efa\u53d8\u5f97\u6bd4\u8f83\u7f13\u6162\u3002\u5177\u4f53\u662f\u5426\u4f7f\u7528\uff0c\u53ef\u4ee5\u6839\u636e\u662f\u5426\u9700\u8981\u81ea\u52a8\u89e3\u538b\u6765\u51b3\u5b9a\u3002<\/li><\/ul>\n\n\n\n
    CMD<\/h3>\n\n\n\n
    \u7c7b\u4f3c\u4e8e RUN \u6307\u4ee4\uff0c\u7528\u4e8e\u8fd0\u884c\u7a0b\u5e8f\uff0c\u4f46\u4e8c\u8005\u8fd0\u884c\u7684\u65f6\u95f4\u70b9\u4e0d\u540c:<\/p>\n\n\n\n
    • CMD \u5728docker run \u65f6\u8fd0\u884c\u3002<\/li>
    • RUN \u662f\u5728 docker build\u3002<\/li><\/ul>\n\n\n\n
      \u4f5c\u7528<\/strong>\uff1a\u4e3a\u542f\u52a8\u7684\u5bb9\u5668\u6307\u5b9a\u9ed8\u8ba4\u8981\u8fd0\u884c\u7684\u7a0b\u5e8f\uff0c\u7a0b\u5e8f\u8fd0\u884c\u7ed3\u675f\uff0c\u5bb9\u5668\u4e5f\u5c31\u7ed3\u675f\u3002CMD \u6307\u4ee4\u6307\u5b9a\u7684\u7a0b\u5e8f\u53ef\u88ab docker run \u547d\u4ee4\u884c\u53c2\u6570\u4e2d\u6307\u5b9a\u8981\u8fd0\u884c\u7684\u7a0b\u5e8f\u6240\u8986\u76d6\u3002<\/p>\n\n\n\n
      \u6ce8\u610f<\/strong>\uff1a\u5982\u679c Dockerfile \u4e2d\u5982\u679c\u5b58\u5728\u591a\u4e2a CMD \u6307\u4ee4\uff0c\u4ec5\u6700\u540e\u4e00\u4e2a\u751f\u6548\u3002<\/p>\n\n\n\n
      \u683c\u5f0f\uff1a<\/p>\n\n\n\n
      CMD <shell \u547d\u4ee4> \nCMD [\"<\u53ef\u6267\u884c\u6587\u4ef6\u6216\u547d\u4ee4>\",\"<param1>\",\"<param2>\",...] \nCMD [\"<param1>\",\"<param2>\",...]  # \u8be5\u5199\u6cd5\u662f\u4e3a ENTRYPOINT \u6307\u4ee4\u6307\u5b9a\u7684\u7a0b\u5e8f\u63d0\u4f9b\u9ed8\u8ba4\u53c2\u6570<\/code><\/pre>\n\n\n\n
      \u63a8\u8350\u4f7f\u7528\u7b2c\u4e8c\u79cd\u683c\u5f0f\uff0c\u6267\u884c\u8fc7\u7a0b\u6bd4\u8f83\u660e\u786e\u3002\u7b2c\u4e00\u79cd\u683c\u5f0f\u5b9e\u9645\u4e0a\u5728\u8fd0\u884c\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u4f1a\u81ea\u52a8\u8f6c\u6362\u6210\u7b2c\u4e8c\u79cd\u683c\u5f0f\u8fd0\u884c\uff0c\u5e76\u4e14\u9ed8\u8ba4\u53ef\u6267\u884c\u6587\u4ef6\u662f sh\u3002<\/p>\n\n\n\n
      ENTRYPOINT<\/h3>\n\n\n\n
      \u7c7b\u4f3c\u4e8e CMD \u6307\u4ee4\uff0c\u4f46\u5176\u4e0d\u4f1a\u88ab docker run \u7684\u547d\u4ee4\u884c\u53c2\u6570\u6307\u5b9a\u7684\u6307\u4ee4\u6240\u8986\u76d6\uff0c\u800c\u4e14\u8fd9\u4e9b\u547d\u4ee4\u884c\u53c2\u6570\u4f1a\u88ab\u5f53\u4f5c\u53c2\u6570\u9001\u7ed9 ENTRYPOINT \u6307\u4ee4\u6307\u5b9a\u7684\u7a0b\u5e8f\u3002<\/p>\n\n\n\n
      \u4f46\u662f, \u5982\u679c\u8fd0\u884c docker run \u65f6\u4f7f\u7528\u4e86 –entrypoint \u9009\u9879\uff0c\u5c06\u8986\u76d6 ENTRYPOINT \u6307\u4ee4\u6307\u5b9a\u7684\u7a0b\u5e8f\u3002<\/p>\n\n\n\n
      \u4f18\u70b9<\/strong>\uff1a\u5728\u6267\u884c docker run \u7684\u65f6\u5019\u53ef\u4ee5\u6307\u5b9a ENTRYPOINT \u8fd0\u884c\u6240\u9700\u7684\u53c2\u6570\u3002<\/p>\n\n\n\n
      \u6ce8\u610f<\/strong>\uff1a\u5982\u679c Dockerfile \u4e2d\u5982\u679c\u5b58\u5728\u591a\u4e2a ENTRYPOINT \u6307\u4ee4\uff0c\u4ec5\u6700\u540e\u4e00\u4e2a\u751f\u6548\u3002<\/p>\n\n\n\n
      \u683c\u5f0f\uff1a<\/p>\n\n\n\n
      ENTRYPOINT [\"<executeable>\",\"<param1>\",\"<param2>\",...]<\/pre>\n\n\n\n
      \u53ef\u4ee5\u642d\u914d CMD \u547d\u4ee4\u4f7f\u7528\uff1a\u4e00\u822c\u662f\u53d8\u53c2\u624d\u4f1a\u4f7f\u7528 CMD \uff0c\u8fd9\u91cc\u7684 CMD \u7b49\u4e8e\u662f\u5728\u7ed9 ENTRYPOINT \u4f20\u53c2\uff0c\u4ee5\u4e0b\u793a\u4f8b\u4f1a\u63d0\u5230\u3002<\/p>\n\n\n\n
      \u793a\u4f8b\uff1a<\/p>\n\n\n\n
      \u5047\u8bbe\u5df2\u901a\u8fc7 Dockerfile \u6784\u5efa\u4e86 nginx:test \u955c\u50cf\uff1a<\/p>\n\n\n\n
      FROM nginx\n\nENTRYPOINT [\"nginx\", \"-c\"] # \u5b9a\u53c2\nCMD [\"\/etc\/nginx\/nginx.conf\"] # \u53d8\u53c2 <\/code><\/pre>\n\n\n\n
      1\u3001\u4e0d\u4f20\u53c2\u8fd0\u884c<\/p>\n\n\n\n
      $ docker run  nginx:test<\/pre>\n\n\n\n
      \u5bb9\u5668\u5185\u4f1a\u9ed8\u8ba4\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u542f\u52a8\u4e3b\u8fdb\u7a0b\u3002<\/p>\n\n\n\n
      nginx -c \/etc\/nginx\/nginx.conf<\/pre>\n\n\n\n
      2\u3001\u4f20\u53c2\u8fd0\u884c<\/p>\n\n\n\n
      $ docker run  nginx:test -c \/etc\/nginx\/new.conf<\/pre>\n\n\n\n
      \u5bb9\u5668\u5185\u4f1a\u9ed8\u8ba4\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u542f\u52a8\u4e3b\u8fdb\u7a0b(\/etc\/nginx\/new.conf:\u5047\u8bbe\u5bb9\u5668\u5185\u5df2\u6709\u6b64\u6587\u4ef6)<\/p>\n\n\n\n
      nginx -c \/etc\/nginx\/new.conf<\/pre>\n\n\n\n
      ENV<\/h3>\n\n\n\n
      \u8bbe\u7f6e\u73af\u5883\u53d8\u91cf\uff0c\u5b9a\u4e49\u4e86\u73af\u5883\u53d8\u91cf\uff0c\u90a3\u4e48\u5728\u540e\u7eed\u7684\u6307\u4ee4\u4e2d\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e2a\u73af\u5883\u53d8\u91cf\u3002<\/p>\n\n\n\n
      \u683c\u5f0f\uff1a<\/p>\n\n\n\n
      ENV <key> <value>\nENV <key1>=<value1> <key2>=<value2>...<\/pre>\n\n\n\n
      \u4ee5\u4e0b\u793a\u4f8b\u8bbe\u7f6e NODE_VERSION = 7.2.0 \uff0c \u5728\u540e\u7eed\u7684\u6307\u4ee4\u4e2d\u53ef\u4ee5\u901a\u8fc7 $NODE_VERSION \u5f15\u7528\uff1a<\/p>\n\n\n\n
      ENV NODE_VERSION 7.2.0\n\nRUN curl -SLO \"https:\/\/nodejs.org\/dist\/v$NODE_VERSION\/node-v$NODE_VERSION-linux-x64.tar.xz\" \\\n  && curl -SLO \"https:\/\/nodejs.org\/dist\/v$NODE_VERSION\/SHASUMS256.txt.asc\"<\/pre>\n\n\n\n
      ARG<\/h3>\n\n\n\n
      \u6784\u5efa\u53c2\u6570\uff0c\u4e0e ENV \u4f5c\u7528\u4e00\u81f4\u3002\u4e0d\u8fc7\u4f5c\u7528\u57df\u4e0d\u4e00\u6837\u3002ARG \u8bbe\u7f6e\u7684\u73af\u5883\u53d8\u91cf\u4ec5\u5bf9 Dockerfile \u5185\u6709\u6548\uff0c\u4e5f\u5c31\u662f\u8bf4\u53ea\u6709 docker build \u7684\u8fc7\u7a0b\u4e2d\u6709\u6548\uff0c\u6784\u5efa\u597d\u7684\u955c\u50cf\u5185\u4e0d\u5b58\u5728\u6b64\u73af\u5883\u53d8\u91cf\u3002<\/p>\n\n\n\n
      \u6784\u5efa\u547d\u4ee4 docker build \u4e2d\u53ef\u4ee5\u7528 –build-arg <\u53c2\u6570\u540d>=<\u503c> \u6765\u8986\u76d6\u3002<\/p>\n\n\n\n
      \u683c\u5f0f\uff1a<\/p>\n\n\n\n
      ARG <\u53c2\u6570\u540d>[=<\u9ed8\u8ba4\u503c>]<\/pre>\n\n\n\n
      VOLUME<\/h3>\n\n\n\n
      \u5b9a\u4e49\u533f\u540d\u6570\u636e\u5377\u3002\u5728\u542f\u52a8\u5bb9\u5668\u65f6\u5fd8\u8bb0\u6302\u8f7d\u6570\u636e\u5377\uff0c\u4f1a\u81ea\u52a8\u6302\u8f7d\u5230\u533f\u540d\u5377\u3002<\/p>\n\n\n\n
      \u4f5c\u7528\uff1a<\/p>\n\n\n\n
      • \u907f\u514d\u91cd\u8981\u7684\u6570\u636e\uff0c\u56e0\u5bb9\u5668\u91cd\u542f\u800c\u4e22\u5931\uff0c\u8fd9\u662f\u975e\u5e38\u81f4\u547d\u7684\u3002<\/li>
      • \u907f\u514d\u5bb9\u5668\u4e0d\u65ad\u53d8\u5927\u3002<\/li><\/ul>\n\n\n\n
        \u683c\u5f0f\uff1a<\/p>\n\n\n\n
        VOLUME [\"<\u8def\u5f841>\", \"<\u8def\u5f842>\"...]\nVOLUME <\u8def\u5f84><\/pre>\n\n\n\n
        \u5728\u542f\u52a8\u5bb9\u5668 docker run \u7684\u65f6\u5019\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7 -v \u53c2\u6570\u4fee\u6539\u6302\u8f7d\u70b9\u3002<\/p>\n\n\n\n
        EXPOSE<\/h3>\n\n\n\n
        \u4ec5\u4ec5\u53ea\u662f\u58f0\u660e\u7aef\u53e3\u3002<\/p>\n\n\n\n
        \u4f5c\u7528\uff1a<\/p>\n\n\n\n
        • \u5e2e\u52a9\u955c\u50cf\u4f7f\u7528\u8005\u7406\u89e3\u8fd9\u4e2a\u955c\u50cf\u670d\u52a1\u7684\u5b88\u62a4\u7aef\u53e3\uff0c\u4ee5\u65b9\u4fbf\u914d\u7f6e\u6620\u5c04\u3002<\/li>
        • \u5728\u8fd0\u884c\u65f6\u4f7f\u7528\u968f\u673a\u7aef\u53e3\u6620\u5c04\u65f6\uff0c\u4e5f\u5c31\u662f docker run -P \u65f6\uff0c\u4f1a\u81ea\u52a8\u968f\u673a\u6620\u5c04 EXPOSE \u7684\u7aef\u53e3\u3002<\/li><\/ul>\n\n\n\n
          \u683c\u5f0f\uff1a<\/p>\n\n\n\n
          EXPOSE <\u7aef\u53e31> [<\u7aef\u53e32>...]<\/pre>\n\n\n\n
          WORKDIR<\/h3>\n\n\n\n
          \u6307\u5b9a\u5de5\u4f5c\u76ee\u5f55\u3002\u7528 WORKDIR \u6307\u5b9a\u7684\u5de5\u4f5c\u76ee\u5f55\uff0c\u4f1a\u5728\u6784\u5efa\u955c\u50cf\u7684\u6bcf\u4e00\u5c42\u4e2d\u90fd\u5b58\u5728\u3002\uff08WORKDIR \u6307\u5b9a\u7684\u5de5\u4f5c\u76ee\u5f55\uff0c\u5fc5\u987b\u662f\u63d0\u524d\u521b\u5efa\u597d\u7684\uff09\u3002<\/p>\n\n\n\n
          docker build \u6784\u5efa\u955c\u50cf\u8fc7\u7a0b\u4e2d\u7684\uff0c\u6bcf\u4e00\u4e2a RUN \u547d\u4ee4\u90fd\u662f\u65b0\u5efa\u7684\u4e00\u5c42\u3002\u53ea\u6709\u901a\u8fc7 WORKDIR \u521b\u5efa\u7684\u76ee\u5f55\u624d\u4f1a\u4e00\u76f4\u5b58\u5728\u3002<\/p>\n\n\n\n
          \u683c\u5f0f\uff1a<\/p>\n\n\n\n
          WORKDIR <\u5de5\u4f5c\u76ee\u5f55\u8def\u5f84><\/pre>\n\n\n\n
          USER<\/h3>\n\n\n\n
          \u7528\u4e8e\u6307\u5b9a\u6267\u884c\u540e\u7eed\u547d\u4ee4\u7684\u7528\u6237\u548c\u7528\u6237\u7ec4\uff0c\u8fd9\u8fb9\u53ea\u662f\u5207\u6362\u540e\u7eed\u547d\u4ee4\u6267\u884c\u7684\u7528\u6237\uff08\u7528\u6237\u548c\u7528\u6237\u7ec4\u5fc5\u987b\u63d0\u524d\u5df2\u7ecf\u5b58\u5728\uff09\u3002<\/p>\n\n\n\n
          \u683c\u5f0f\uff1a<\/p>\n\n\n\n
          USER <\u7528\u6237\u540d>[:<\u7528\u6237\u7ec4>]<\/pre>\n\n\n\n
          HEALTHCHECK<\/h3>\n\n\n\n
          \u7528\u4e8e\u6307\u5b9a\u67d0\u4e2a\u7a0b\u5e8f\u6216\u8005\u6307\u4ee4\u6765\u76d1\u63a7 docker \u5bb9\u5668\u670d\u52a1\u7684\u8fd0\u884c\u72b6\u6001\u3002<\/p>\n\n\n\n
          \u683c\u5f0f\uff1a<\/p>\n\n\n\n
          HEALTHCHECK [\u9009\u9879] CMD <\u547d\u4ee4>\uff1a\u8bbe\u7f6e\u68c0\u67e5\u5bb9\u5668\u5065\u5eb7\u72b6\u51b5\u7684\u547d\u4ee4\nHEALTHCHECK NONE\uff1a\u5982\u679c\u57fa\u7840\u955c\u50cf\u6709\u5065\u5eb7\u68c0\u67e5\u6307\u4ee4\uff0c\u4f7f\u7528\u8fd9\u884c\u53ef\u4ee5\u5c4f\u853d\u6389\u5176\u5065\u5eb7\u68c0\u67e5\u6307\u4ee4\n\nHEALTHCHECK [\u9009\u9879] CMD <\u547d\u4ee4> : \u8fd9\u8fb9 CMD \u540e\u9762\u8ddf\u968f\u7684\u547d\u4ee4\u4f7f\u7528\uff0c\u53ef\u4ee5\u53c2\u8003 CMD \u7684\u7528\u6cd5\u3002<\/pre>\n\n\n\n
          ONBUILD<\/h3>\n\n\n\n
          \u7528\u4e8e\u5ef6\u8fdf\u6784\u5efa\u547d\u4ee4\u7684\u6267\u884c\u3002\u7b80\u5355\u7684\u8bf4\uff0c\u5c31\u662f Dockerfile \u91cc\u7528 ONBUILD \u6307\u5b9a\u7684\u547d\u4ee4\uff0c\u5728\u672c\u6b21\u6784\u5efa\u955c\u50cf\u7684\u8fc7\u7a0b\u4e2d\u4e0d\u4f1a\u6267\u884c\uff08\u5047\u8bbe\u955c\u50cf\u4e3a test-build\uff09\u3002\u5f53\u6709\u65b0\u7684 Dockerfile \u4f7f\u7528\u4e86\u4e4b\u524d\u6784\u5efa\u7684\u955c\u50cf FROM test-build \uff0c\u8fd9\u65f6\u6267\u884c\u65b0\u955c\u50cf\u7684 Dockerfile \u6784\u5efa\u65f6\u5019\uff0c\u4f1a\u6267\u884c test-build \u7684 Dockerfile \u91cc\u7684 ONBUILD \u6307\u5b9a\u7684\u547d\u4ee4\u3002<\/p>\n\n\n\n
          \u683c\u5f0f\uff1a<\/p>\n\n\n\n
          ONBUILD <\u5176\u5b83\u6307\u4ee4><\/pre>\n\n\n\n
          LABEL<\/h3>\n\n\n\n
          LABEL \u6307\u4ee4\u7528\u6765\u7ed9\u955c\u50cf\u6dfb\u52a0\u4e00\u4e9b\u5143\u6570\u636e\uff08metadata\uff09\uff0c\u4ee5\u952e\u503c\u5bf9\u7684\u5f62\u5f0f\uff0c\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n
          LABEL <key>=<value> <key>=<value> <key>=<value> ...<\/pre>\n\n\n\n
          \u6bd4\u5982\u6211\u4eec\u53ef\u4ee5\u6dfb\u52a0\u955c\u50cf\u7684\u4f5c\u8005\uff1a<\/p>\n\n\n\n
          LABEL org.opencontainers.image.authors=\"runoob\"<\/pre>\n","protected":false},"excerpt":{"rendered":"
          \u4ec0\u4e48\u662f Dockerfile\uff1f Dockerfile \u662f\u4e00\u4e2a\u7528\u6765\u6784\u5efa\u955c\u50cf\u7684\u6587\u672c\u6587\u4ef6\uff0c\u6587\u672c\u5185\u5bb9\u5305\u542b\u4e86\u4e00\u6761\u6761\u6784\u5efa\u955c […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-436","post","type-post","status-publish","format-standard","hentry","category-docker"],"_links":{"self":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts\/436","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/comments?post=436"}],"version-history":[{"count":3,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts\/436\/revisions"}],"predecessor-version":[{"id":441,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts\/436\/revisions\/441"}],"wp:attachment":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/media?parent=436"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/categories?post=436"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/tags?post=436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}