{"id":157,"date":"2019-02-10T22:26:39","date_gmt":"2019-02-10T14:26:39","guid":{"rendered":"http:\/\/b.yesiyu.top\/?p=157"},"modified":"2019-02-10T22:26:39","modified_gmt":"2019-02-10T14:26:39","slug":"dockerfile%e6%8c%87%e4%bb%a4%e9%9b%86","status":"publish","type":"post","link":"https:\/\/b.yesiyu.top\/?p=157","title":{"rendered":"DockerFile\u6307\u4ee4\u96c6"},"content":{"rendered":"
FROM<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8bed\u6cd5\uff1aFROM <image>[:<tag>]<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u89e3\u91ca\uff1a\u8bbe\u7f6e\u8981\u5236\u4f5c\u7684\u955c\u50cf\u57fa\u4e8e\u54ea\u4e2a\u955c\u50cf\uff0cFROM\u6307\u4ee4\u5fc5\u987b\u662f\u6574\u4e2aDockerfile\u7684\u7b2c\u4e00\u4e2a\u6307\u4ee4\uff0c\u5982\u679c\u6307\u5b9a\u7684\u955c\u50cf\u4e0d\u5b58\u5728\u9ed8\u8ba4\u4f1a\u81ea\u52a8\u4eceDocker Hub\u4e0a\u4e0b\u8f7d\u3002<\/div>\n
<\/div>\n
\u00a0 \u00a0 MAINTAINER<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8bed\u6cd5\uff1aMAINTAINER <name><\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u89e3\u91ca\uff1aMAINTAINER\u6307\u4ee4\u5141\u8bb8\u4f60\u7ed9\u5c06\u8981\u5236\u4f5c\u7684\u955c\u50cf\u8bbe\u7f6e\u4f5c\u8005\u4fe1\u606f<\/div>\n
<\/div>\n
\u00a0 \u00a0 RUN<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8bed\u6cd5\uff1a\u2460RUN <command>\u00a0 \u00a0 \u00a0 \u00a0 #\u5c06\u4f1a\u8c03\u7528\/bin\/sh -c <command><\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2461RUN [“executable”, “param1”, “param2”]\u00a0 \u00a0 #\u5c06\u4f1a\u8c03\u7528exec\u6267\u884c\uff0c\u4ee5\u907f\u514d\u6709\u4e9b\u65f6\u5019shell\u65b9\u5f0f\u6267\u884c\u65f6\u7684\u4f20\u9012\u53c2\u6570\u95ee\u9898\uff0c\u800c\u4e14\u6709\u4e9b\u57fa\u7840\u955c\u50cf\u53ef\u80fd\u4e0d\u5305\u542b\/bin\/sh<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u89e3\u91ca\uff1aRUN\u6307\u4ee4\u4f1a\u5728\u4e00\u4e2a\u65b0\u7684\u5bb9\u5668\u4e2d\u6267\u884c\u4efb\u4f55\u547d\u4ee4\uff0c\u7136\u540e\u628a\u6267\u884c\u540e\u7684\u6539\u53d8\u63d0\u4ea4\u5230\u5f53\u524d\u955c\u50cf\uff0c\u63d0\u4ea4\u540e\u7684\u955c\u50cf\u4f1a\u88ab\u7528\u4e8eDockerfile\u4e2d\u5b9a\u4e49\u7684\u4e0b\u4e00\u6b65\u64cd\u4f5c\uff0cRUN\u4e2d\u5b9a\u4e49\u7684\u547d\u4ee4\u4f1a\u6309\u987a\u5e8f\u6267\u884c\u5e76\u63d0\u4ea4\uff0c\u8fd9\u6b63\u662fDocker\u5ec9\u4ef7\u7684\u63d0\u4ea4\u548c\u53ef\u4ee5\u57fa\u4e8e\u955c\u50cf\u7684\u4efb\u4f55\u4e00\u4e2a\u5386\u53f2\u70b9\u521b\u5efa\u5bb9\u5668\u7684\u597d\u5904\uff0c\u5c31\u50cf\u7248\u672c\u63a7\u5236\u5de5\u5177\u4e00\u6837\u3002<\/div>\n
<\/div>\n
\u00a0 \u00a0 CMD<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8bed\u6cd5\uff1a\u2460CMD [“executable”, “param1”, “param2”]\u00a0 \u00a0 #\u5c06\u4f1a\u8c03\u7528exec\u6267\u884c\uff0c\u9996\u9009\u65b9\u5f0f<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2461CMD [“param1”, “param2”]\u00a0 \u00a0 \u00a0 \u00a0 #\u5f53\u4f7f\u7528ENTRYPOINT\u6307\u4ee4\u65f6\uff0c\u4e3a\u8be5\u6307\u4ee4\u4f20\u9012\u9ed8\u8ba4\u53c2\u6570<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2462CMD <command> [ <param1>|<param2> ]\u00a0 \u00a0 \u00a0 \u00a0 #\u5c06\u4f1a\u8c03\u7528\/bin\/sh -c\u6267\u884c<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u89e3\u91ca\uff1aCMD\u6307\u4ee4\u4e2d\u6307\u5b9a\u7684\u547d\u4ee4\u4f1a\u5728\u955c\u50cf\u8fd0\u884c\u65f6\u6267\u884c\uff0c\u5728Dockerfile\u4e2d\u53ea\u80fd\u5b58\u5728\u4e00\u4e2a\uff0c\u5982\u679c\u4f7f\u7528\u4e86\u591a\u4e2aCMD\u6307\u4ee4\uff0c\u5219\u53ea\u6709\u6700\u540e\u4e00\u4e2aCMD\u6307\u4ee4\u6709\u6548\u3002\u5f53\u51fa\u73b0ENTRYPOINT\u6307\u4ee4\u65f6\uff0cCMD\u4e2d\u5b9a\u4e49\u7684\u5185\u5bb9\u4f1a\u4f5c\u4e3aENTRYPOINT\u6307\u4ee4\u7684\u9ed8\u8ba4\u53c2\u6570\uff0c\u4e5f\u5c31\u662f\u8bf4\u53ef\u4ee5\u4f7f\u7528CMD\u6307\u4ee4\u7ed9ENTRYPOINT\u4f20\u9012\u53c2\u6570\u3002<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u6ce8\u610f\uff1aRUN\u548cCMD\u90fd\u662f\u6267\u884c\u547d\u4ee4\uff0c\u4ed6\u4eec\u7684\u5dee\u5f02\u5728\u4e8eRUN\u4e2d\u5b9a\u4e49\u7684\u547d\u4ee4\u4f1a\u5728\u6267\u884cdocker build\u547d\u4ee4\u521b\u5efa\u955c\u50cf\u65f6\u6267\u884c\uff0c\u800cCMD\u4e2d\u5b9a\u4e49\u7684\u547d\u4ee4\u4f1a\u5728\u6267\u884cdocker run\u547d\u4ee4\u8fd0\u884c\u955c\u50cf\u65f6\u6267\u884c\uff0c\u53e6\u5916\u4f7f\u7528\u7b2c\u4e00\u79cd\u8bed\u6cd5\u4e5f\u5c31\u662f\u8c03\u7528exec\u6267\u884c\u65f6\uff0c\u547d\u4ee4\u5fc5\u987b\u4e3a\u7edd\u5bf9\u8def\u5f84\u3002<\/div>\n
<\/div>\n
\u00a0 \u00a0 EXPOSE<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8bed\u6cd5\uff1aEXPOSE <port> [ …]<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u89e3\u91ca\uff1aEXPOSE\u6307\u4ee4\u7528\u6765\u544a\u8bc9Docker\u8fd9\u4e2a\u5bb9\u5668\u5728\u8fd0\u884c\u65f6\u4f1a\u76d1\u542c\u54ea\u4e9b\u7aef\u53e3\uff0cDocker\u5728\u8fde\u63a5\u4e0d\u540c\u7684\u5bb9\u5668(\u4f7f\u7528\u2013link\u53c2\u6570)\u65f6\u4f7f\u7528\u8fd9\u4e9b\u4fe1\u606f\u3002<\/div>\n
<\/div>\n
\u00a0 \u00a0 ENV<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8bed\u6cd5\uff1aENV <key> <value><\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u89e3\u91ca\uff1aENV\u6307\u4ee4\u7528\u4e8e\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf\uff0c\u5728Dockerfile\u4e2d\u8fd9\u4e9b\u8bbe\u7f6e\u7684\u73af\u5883\u53d8\u91cf\u4e5f\u4f1a\u5f71\u54cd\u5230RUN\u6307\u4ee4\uff0c\u5f53\u8fd0\u884c\u751f\u6210\u7684\u955c\u50cf\u65f6\u8fd9\u4e9b\u73af\u5883\u53d8\u91cf\u4f9d\u7136\u6709\u6548\uff0c\u5982\u679c\u9700\u8981\u5728\u8fd0\u884c\u65f6\u66f4\u6539\u8fd9\u4e9b\u73af\u5883\u53d8\u91cf\u53ef\u4ee5\u5728\u8fd0\u884cdocker run\u65f6\u6dfb\u52a0\u2013env <key>=<value>\u53c2\u6570\u6765\u4fee\u6539\u3002<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u6ce8\u610f\uff1a\u6700\u597d\u4e0d\u8981\u5b9a\u4e49\u90a3\u4e9b\u53ef\u80fd\u548c\u7cfb\u7edf\u9884\u5b9a\u4e49\u7684\u73af\u5883\u53d8\u91cf\u51b2\u7a81\u7684\u540d\u5b57\uff0c\u5426\u5219\u53ef\u80fd\u4f1a\u4ea7\u751f\u610f\u60f3\u4e0d\u5230\u7684\u7ed3\u679c\u3002<\/div>\n
<\/div>\n
\u00a0 \u00a0 ADD<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8bed\u6cd5\uff1aADD <src> <dest><\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u89e3\u91ca\uff1aADD\u6307\u4ee4\u7528\u4e8e\u4ece\u6307\u5b9a\u8def\u5f84\u62f7\u8d1d\u4e00\u4e2a\u6587\u4ef6\u6216\u76ee\u5f55\u5230\u5bb9\u5668\u7684\u6307\u5b9a\u8def\u5f84\u4e2d\uff0c<src>\u662f\u4e00\u4e2a\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u8def\u5f84\uff0c\u4e5f\u53ef\u4ee5\u662f\u4e00\u4e2aurl\uff0c\u8def\u5f84\u662f\u76f8\u5bf9\u4e8e\u8be5Dockerfile\u6587\u4ef6\u6240\u5728\u4f4d\u7f6e\u7684\u76f8\u5bf9\u8def\u5f84\uff0c<dest>\u662f\u76ee\u6807\u5bb9\u5668\u7684\u4e00\u4e2a\u7edd\u5bf9\u8def\u5f84\uff0c\u4f8b\u5982\/home\/yooke\/Docker\/Dockerfile\u8fd9\u4e2a\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684\uff0c\u90a3\u4e48ADD \/data.txt \/db\/\u6307\u4ee4\u5c06\u4f1a\u5c1d\u8bd5\u62f7\u8d1d\u6587\u4ef6\u4ece\/home\/yooke\/Docker\/data.txt\u5230\u5c06\u8981\u751f\u6210\u7684\u5bb9\u5668\u7684\/db\/data.txt\uff0c\u4e14\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u5c5e\u7ec4\u548c\u5c5e\u4e3b\u5206\u522b\u4e3auid\u548cgid\u4e3a0\u7684\u7528\u6237\u548c\u7ec4\uff0c\u5982\u679c\u662f\u901a\u8fc7url\u65b9\u5f0f\u83b7\u53d6\u7684\u6587\u4ef6\uff0c\u5219\u6743\u9650\u662f600\u3002<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u6ce8\u610f\uff1a\u2460\u5982\u679c\u6267\u884cdocker build \u2013 < somefile\u5373\u901a\u8fc7\u6807\u51c6\u8f93\u5165\u6765\u521b\u5efa\u65f6\uff0cADD\u6307\u4ee4\u53ea\u652f\u6301url\u65b9\u5f0f\uff0c\u53e6\u5916\u5982\u679curl\u9700\u8981\u8ba4\u8bc1\uff0c\u5219\u53ef\u4ee5\u901a\u8fc7RUN wget \u2026\u6216RUN curl \u2026\u6765\u5b8c\u6210\uff0cADD\u6307\u4ee4\u4e0d\u652f\u6301\u8ba4\u8bc1\u3002<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2461<src>\u8def\u5f84\u5fc5\u987b\u4e0eDockerfile\u5728\u540c\u7ea7\u76ee\u5f55\u6216\u5b50\u76ee\u5f55\u4e2d\uff0c\u4f8b\u5982\u4e0d\u80fd\u4f7f\u7528ADD ..\/somepath\uff0c\u56e0\u4e3a\u5728\u6267\u884cdocker build\u65f6\u9996\u5148\u505a\u7684\u5c31\u662f\u628aDockerfile\u6240\u5728\u76ee\u5f55\u5305\u542b\u5b50\u76ee\u5f55\u53d1\u9001\u7ed9docker\u7684\u5b88\u62a4\u8fdb\u7a0b\u3002<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2462\u5982\u679c<src>\u662f\u4e00\u4e2aurl\u4e14<dest>\u4e0d\u662f\u4ee5\u201d\/\u201c\u7ed3\u5c3e\uff0c\u5219\u4f1a\u4e0b\u8f7d\u6587\u4ef6\u5e76\u91cd\u547d\u540d\u4e3a<dest>\u3002<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2463\u5982\u679c<src>\u662f\u4e00\u4e2aurl\u4e14<dest>\u4ee5\u201c\/\u201d\u7ed3\u5c3e\uff0c\u5219\u4f1a\u4e0b\u8f7d\u6587\u4ef6\u5230<dest>\/<filename>\uff0curl\u5fc5\u987b\u662f\u4e00\u4e2a\u6b63\u5e38\u7684\u8def\u5f84\u5f62\u5f0f\uff0c\u201chttp:\/\/example.com\u201d\u50cf\u8fd9\u6837\u7684url\u662f\u4e0d\u80fd\u6b63\u5e38\u5de5\u4f5c\u7684\u3002<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2464\u5982\u679c<src>\u662f\u4e00\u4e2a\u672c\u5730\u7684\u538b\u7f29\u5305\u4e14<dest>\u662f\u4ee5\u201c\/\u201d\u7ed3\u5c3e\u7684\u76ee\u5f55\uff0c\u5219\u4f1a\u8c03\u7528\u201ctar -x\u201d\u547d\u4ee4\u89e3\u538b\u7f29\uff0c\u5982\u679c<dest>\u6709\u540c\u540d\u6587\u4ef6\u5219\u8986\u76d6\uff0c\u4f46<src>\u662f\u4e00\u4e2aurl\u65f6\u4e0d\u4f1a\u6267\u884c\u89e3\u538b\u7f29\u3002<\/div>\n
<\/div>\n
\u00a0 \u00a0 COPY<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8bed\u6cd5\uff1aCOPY <src> <dest><\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u89e3\u91ca\uff1a\u7528\u6cd5\u4e0eADD\u76f8\u540c\uff0c\u4e0d\u8fc7<src>\u4e0d\u652f\u6301\u4f7f\u7528url\uff0c\u6240\u4ee5\u5728\u4f7f\u7528docker build \u2013 < somefile\u65f6\u8be5\u6307\u4ee4\u4e0d\u80fd\u4f7f\u7528\u3002<\/div>\n
<\/div>\n
\u00a0 \u00a0 ENTRYPOINT<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8bed\u6cd5\uff1a\u2460ENTRYPOINT [“executable”, “param1”, “param2”]\u00a0 \u00a0 \u00a0 \u00a0 #\u5c06\u4f1a\u8c03\u7528exec\u6267\u884c\uff0c\u9996\u9009\u65b9\u5f0f<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2461ENTRYPOINT command param1 param2\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0#\u5c06\u4f1a\u8c03\u7528\/bin\/sh -c\u6267\u884c<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u89e3\u91ca\uff1aENTRYPOINT\u6307\u4ee4\u4e2d\u6307\u5b9a\u7684\u547d\u4ee4\u4f1a\u5728\u955c\u50cf\u8fd0\u884c\u65f6\u6267\u884c\uff0c\u5728Dockerfile\u4e2d\u53ea\u80fd\u5b58\u5728\u4e00\u4e2a\uff0c\u5982\u679c\u4f7f\u7528\u4e86\u591a\u4e2aENTRYPOINT\u6307\u4ee4\uff0c\u5219\u53ea\u6709\u6700\u540e\u4e00\u4e2a\u6307\u4ee4\u6709\u6548\u3002ENTRYPOINT\u6307\u4ee4\u4e2d\u6307\u5b9a\u7684\u547d\u4ee4(exec\u6267\u884c\u7684\u65b9\u5f0f)\u53ef\u4ee5\u901a\u8fc7docker run\u6765\u4f20\u9012\u53c2\u6570\uff0c\u4f8b\u5982docker run <images> -l\u542f\u52a8\u7684\u5bb9\u5668\u5c06\u4f1a\u628a-l\u53c2\u6570\u4f20\u9012\u7ed9ENTRYPOINT\u6307\u4ee4\u5b9a\u4e49\u7684\u547d\u4ee4\u5e76\u4f1a\u8986\u76d6CMD\u6307\u4ee4\u4e2d\u5b9a\u4e49\u7684\u9ed8\u8ba4\u53c2\u6570(\u5982\u679c\u6709\u7684\u8bdd)\uff0c\u4f46\u4e0d\u4f1a\u8986\u76d6\u8be5\u6307\u4ee4\u5b9a\u4e49\u7684\u53c2\u6570\uff0c\u4f8b\u5982ENTRYPOINT [“ls”,”-a”]\uff0cCMD [“\/etc”],\u5f53\u901a\u8fc7docker run <image>\u542f\u52a8\u5bb9\u5668\u65f6\u8be5\u5bb9\u5668\u4f1a\u8fd0\u884cls -a \/etc\u547d\u4ee4\uff0c\u5f53\u4f7f\u7528docker run <image> -l\u542f\u52a8\u65f6\u8be5\u5bb9\u5668\u4f1a\u8fd0\u884cls -a -l\u547d\u4ee4\uff0c-l\u53c2\u6570\u4f1a\u8986\u76d6CMD\u6307\u4ee4\u4e2d\u5b9a\u4e49\u7684\/etc\u53c2\u6570\u3002<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u6ce8\u610f\uff1a\u2460\u5f53\u4f7f\u7528ENTRYPOINT\u6307\u4ee4\u65f6\u751f\u6210\u7684\u955c\u50cf\u8fd0\u884c\u65f6\u53ea\u4f1a\u6267\u884c\u8be5\u6307\u4ee4\u6307\u5b9a\u7684\u547d\u4ee4\u3002<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2461\u5f53\u51fa\u73b0ENTRYPOINT\u6307\u4ee4\u65f6CMD\u6307\u4ee4\u53ea\u53ef\u80fd(\u5f53ENTRYPOINT\u6307\u4ee4\u4f7f\u7528exec\u65b9\u5f0f\u6267\u884c\u65f6)\u88ab\u5f53\u505aENTRYPOINT\u6307\u4ee4\u7684\u53c2\u6570\u4f7f\u7528\uff0c\u5176\u4ed6\u60c5\u51b5\u5219\u4f1a\u88ab\u5ffd\u7565\u3002<\/div>\n
<\/div>\n
\u00a0 \u00a0 VOLUME<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8bed\u6cd5\uff1aVOLUME [“samepath”]<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u89e3\u91ca\uff1aVOLUME\u6307\u4ee4\u7528\u6765\u8bbe\u7f6e\u4e00\u4e2a\u6302\u8f7d\u70b9\uff0c\u53ef\u4ee5\u7528\u6765\u8ba9\u5176\u4ed6\u5bb9\u5668\u6302\u8f7d\u4ee5\u5b9e\u73b0\u6570\u636e\u5171\u4eab\u6216\u5bf9\u5bb9\u5668\u6570\u636e\u7684\u5907\u4efd\u3001\u6062\u590d\u6216\u8fc1\u79fb\uff0c\u5177\u4f53\u7528\u6cd5\u8bf7\u53c2\u8003\u5176\u4ed6\u6587\u7ae0\u3002<\/div>\n
<\/div>\n
\u00a0 \u00a0 USER<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8bed\u6cd5\uff1aUSER [username|uid]<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u89e3\u91ca\uff1aUSER\u6307\u4ee4\u7528\u4e8e\u8bbe\u7f6e\u7528\u6237\u6216uid\u6765\u8fd0\u884c\u751f\u6210\u7684\u955c\u50cf\u548c\u6267\u884cRUN\u6307\u4ee4\u3002<\/div>\n
<\/div>\n
\u00a0 \u00a0 WORKDIR<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8bed\u6cd5\uff1aWORKDIR \/path\/to\/workdir<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u89e3\u91ca\uff1aWORKDIR\u6307\u4ee4\u7528\u4e8e\u8bbe\u7f6eDockerfile\u4e2d\u7684RUN\u3001CMD\u548cENTRYPOINT\u6307\u4ee4\u6267\u884c\u547d\u4ee4\u7684\u5de5\u4f5c\u76ee\u5f55(\u9ed8\u8ba4\u4e3a\/\u76ee\u5f55)\uff0c\u8be5\u6307\u4ee4\u5728Dockerfile\u6587\u4ef6\u4e2d\u53ef\u4ee5\u51fa\u73b0\u591a\u6b21\uff0c\u5982\u679c\u4f7f\u7528\u76f8\u5bf9\u8def\u5f84\u5219\u4e3a\u76f8\u5bf9\u4e8eWORKDIR\u4e0a\u4e00\u6b21\u7684\u503c\uff0c\u4f8b\u5982WORKDIR \/data\uff0cWORKDIR logs\uff0cRUN pwd\u6700\u7ec8\u8f93\u51fa\u7684\u5f53\u524d\u76ee\u5f55\u662f\/data\/logs\u3002<\/div>\n
<\/div>\n
\u00a0 \u00a0 ONBUILD<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u8bed\u6cd5\uff1aONBUILD [INSTRUCTION]<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u89e3\u91ca\uff1aONBUILD\u6307\u4ee4\u7528\u6765\u8bbe\u7f6e\u4e00\u4e9b\u89e6\u53d1\u7684\u6307\u4ee4\uff0c\u7528\u4e8e\u5728\u5f53\u8be5\u955c\u50cf\u88ab\u4f5c\u4e3a\u57fa\u7840\u955c\u50cf\u6765\u521b\u5efa\u5176\u4ed6\u955c\u50cf\u65f6(\u4e5f\u5c31\u662fDockerfile\u4e2d\u7684FROM\u4e3a\u5f53\u524d\u955c\u50cf\u65f6)\u6267\u884c\u4e00\u4e9b\u64cd\u4f5c\uff0cONBUILD\u4e2d\u5b9a\u4e49\u7684\u6307\u4ee4\u4f1a\u5728\u7528\u4e8e\u751f\u6210\u5176\u4ed6\u955c\u50cf\u7684Dockerfile\u6587\u4ef6\u7684FROM\u6307\u4ee4\u4e4b\u540e\u88ab\u6267\u884c\uff0c\u4e0a\u8ff0\u4ecb\u7ecd\u7684\u4efb\u4f55\u4e00\u4e2a\u6307\u4ee4\u90fd\u53ef\u4ee5\u7528\u4e8eONBUILD\u6307\u4ee4\uff0c\u53ef\u4ee5\u7528\u6765\u6267\u884c\u4e00\u4e9b\u56e0\u4e3a\u73af\u5883\u800c\u53d8\u5316\u7684\u64cd\u4f5c\uff0c\u4f7f\u955c\u50cf\u66f4\u52a0\u901a\u7528\u3002<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u6ce8\u610f\uff1a\u2460ONBUILD\u4e2d\u5b9a\u4e49\u7684\u6307\u4ee4\u5728\u5f53\u524d\u955c\u50cf\u7684build\u4e2d\u4e0d\u4f1a\u88ab\u6267\u884c\u3002<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2461\u53ef\u4ee5\u901a\u8fc7\u67e5\u770bdocker inspeat <image>\u547d\u4ee4\u6267\u884c\u7ed3\u679c\u7684OnBuild\u952e\u6765\u67e5\u770b\u67d0\u4e2a\u955c\u50cfONBUILD\u6307\u4ee4\u5b9a\u4e49\u7684\u5185\u5bb9\u3002<\/div>\n
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\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2463ONBUILD\u4e2d\u5b9a\u4e49\u7684\u6307\u4ee4\u4e0d\u4f1a\u7ee7\u627f\u5230\u5f53\u524d\u5f15\u7528\u7684\u955c\u50cf\u4e2d\uff0c\u4e5f\u5c31\u662f\u5f53\u5f15\u7528ONBUILD\u7684\u955c\u50cf\u521b\u5efa\u5b8c\u6210\u540e\u5c06\u4f1a\u6e05\u9664\u6240\u6709\u5f15\u7528\u7684ONBUILD\u6307\u4ee4\u3002<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2464ONBUILD\u6307\u4ee4\u4e0d\u5141\u8bb8\u5d4c\u5957\uff0c\u4f8b\u5982ONBUILD ONBUILD ADD . \/data\u662f\u4e0d\u5141\u8bb8\u7684\u3002<\/div>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u2465ONBUILD\u6307\u4ee4\u4e0d\u4f1a\u6267\u884c\u5176\u5b9a\u4e49\u7684FROM\u6216MAINTAINER\u6307\u4ee4\u3002<\/div>\n","protected":false},"excerpt":{"rendered":"

FROM \u00a0 \u00a0 \u00a0 \u00a0 \u8bed\u6cd5\uff1aFROM <image>[:<tag>] \u00a0 \u00a0 \u00a0 … <\/p>\n

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