{"id":989,"date":"2023-03-03T18:00:29","date_gmt":"2023-03-03T10:00:29","guid":{"rendered":"https:\/\/www.jchj.top\/?p=989"},"modified":"2025-09-26T11:24:46","modified_gmt":"2025-09-26T03:24:46","slug":"dockerfile%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.jchj.top\/?p=989","title":{"rendered":"dockerfile\u8be6\u89e3<\/strong>"},"content":{"rendered":"\n

 dockerfile\u6587\u4ef6\u7684\u683c\u5f0f<\/strong><\/p>\n\n\n\n

          \u4e00\u662f\uff1a# comment\u3002\u4e8c\u662f\uff1aINSTRUCTION arguments  \u6307\u4ee4\u548c\u53c2\u6570\uff0c\u5176\u4e2d\u7ea6\u5b9a\u4fd7\u6210\u662f\u6307\u4ee4\u4f7f\u7528\u5927\u5199\uff0c\u53c2\u6570\u5c0f\u5199\uff0c\u4f46\u662fdockerfile\u6587\u4ef6\u672c\u8eab\u4e0d\u533a\u5206\u5927\u5c0f\u5199\u3002<\/p>\n\n\n\n

dockerfile\u6587\u4ef6\u5185\u7684\u6307\u4ee4\u662f\u81ea\u4e0a\u800c\u4e0b\u4e00\u6b21\u987a\u5e8f\u6267\u884c\uff0c\u901a\u5e38\u662f\u4e00\u884c\u4e00\u4e2a\u6307\u4ee4\uff0c\u5982\u679c\u6307\u4ee4\u6709\u76f8\u4e92\u4f9d\u8d56\u5173\u7cfb\u4e00\u5b9a\u8981\u6ce8\u610f\u6307\u4ee4\u7684\u5148\u540e\u987a\u5e8f\u3002<\/p>\n\n\n\n

         dockerfile\u6587\u4ef6\u5185\u7684\u7b2c\u4e00\u4e2a\u975e\u6ce8\u91ca\u884c\u90fd\u662f\u4ee5’FROM’\u6307\u4ee4\uff0c\u5b83\u7528\u6765\u6307\u5b9a\u505a\u5f53\u524d\u955c\u50cf\u662f\u57fa\u4e8e\u90a3\u4e2a\u57fa\u7840\u955c\u50cf\u6765\u5b9e\u73b0\uff0c\u6240\u4ee5\u6211\u4eec\u7684\u955c\u50cf\u5236\u4f5c\u90fd\u662f\u5efa\u7acb\u5728\u67d0\u4e2a\u5df2\u5b58\u5728\u7684\u57fa\u7840\u955c\u50cf\u4e0a\uff08\u5982\u679c\u6ca1\u6709\u6307\u5b9a\u57fa\u7840\u955c\u50cf\u9ed8\u8ba4\u60c5\u51b5\u4e0bdocker build\u4f1a\u5728docker\u4e3b\u673a\u4e0a\u67e5\u627e\u6307\u5b9a\u7684\u955c\u50cf\u6587\u4ef6\uff0c\u5728\u5176\u4e0d\u5b58\u5728\u65f6\uff0c\u5219\u4f1a\u4eceDocker Hub Registry\u4e0a\u62c9\u53d6\u6240\u9700\u7684\u955c\u50cf\u6587\u4ef6\uff0c\u5982\u679c\u4ed3\u5e93\u4e2d\u4e5f\u6ca1\u6709\u90a3\u4e48dockerfile\u4e5f\u65e0\u6cd5\u5236\u4f5c\uff0c\u90a3\u5c31\u6bd4\u8f83\u9ebb\u70e6\u3002)\uff0cdockerfile\u6587\u4ef6\u5185\u7684\u6307\u4ee4\u4e5f\u90fd\u662f\u57fa\u4e8e\u5f53\u524d\u57fa\u7840\u955c\u50cf\u7684\u6307\u4ee4\uff0c\u57fa\u7840\u955c\u50cf\u6ca1\u6709\u6216\u4e0d\u652f\u6301\u7684\u6307\u4ee4\u4e5f\u5c06\u662f\u65e0\u6cd5\u6267\u884c\u7684,\u6240\u4ee5dockerfile\u7684\u5236\u4f5c\u73af\u5883\u90fd\u662f\u5e95\u5c42\u57fa\u7840\u955c\u50cf\u542f\u52a8\u7684\u5bb9\u5668\u63d0\u4f9b\u7684\u73af\u5883\u3002<\/p>\n\n\n\n

 dockerfile\u914d\u7f6e\u6587\u4ef6<\/strong><\/p>\n\n\n\n

         \u5fc5\u987b\u6709\u4e00\u4e2a\u4e13\u95e8\u7684\u76ee\u5f55\u6587\u4ef6\u653e\u7f6eDockerfile\u6587\u4ef6\uff0c\u800cDockerfile\u7684\u6587\u4ef6\u7684\u9996\u5b57\u6bcd\u5fc5\u987b\u662f\u5927\u5199\uff0c\u4e14\u5982\u679cDockerfile\u6587\u4ef6\u4e2d\u9700\u8981\u5b89\u88c5\u7684\u5b89\u88c5\u5305\u6216\u5f15\u7528\u7684\u6587\u4ef6\u4e5f\u5fc5\u987b\u548cDockerfile\u6587\u4ef6\u5728\u540c\u4e00\u4e2a\u76ee\u5f55\u6587\u4ef6\u5185\uff0c\u4e0d\u80fd\u662f\u8fd9\u4e2a\u76ee\u5f55\u6587\u4ef6\u5916\u7684\u5185\u5bb9\uff0c\u4f46\u53ef\u4ee5\u662f\u8fd9\u4e2a\u6587\u4ef6\u5185\u7684\u5b50\u76ee\u5f55\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n

         dockeringore\u6587\u4ef6\u53c8\u662f\u53e6\u5916\u7684\u4e00\u4e2a\u6587\u4ef6\uff0c\u6240\u6709\u5199\u5728dockeringore\u6587\u4ef6\u4e2d\u7684\u8def\u5f84\u6587\u4ef6\uff0c\u5728Dockerfile\u914d\u7f6e\u6587\u4ef6\u4e2d\u6253\u5305\u65f6\u90a3\u4e2a\u8def\u5f84\u6587\u4ef6\u90fd\u4e0d\u4f1a\u88ab\u6253\u5305\u8fdb\u53bb\uff0c\u4e00\u822c\u4e00\u884c\u4e00\u4e2a\u6587\u4ef6\uff0c\u5f53\u7136\u4e5f\u53ef\u4ee5\u4f7f\u7528\u901a\u914d\u7b26\u3002<\/p>\n\n\n\n

docker build\u901a\u8fc7\u8bfb\u53d6Dockerfile\u6587\u4ef6\u6765\u5236\u4f5c\u955c\u50cf\uff0c\u6253\u4e0a\u6807\u7b7e\u63a8\u5230\u4ed3\u5e93\u5c31\u53ef\u4ee5\u4f7f\u7528\u4e86\u3002<\/p>\n\n\n\n

Dockerfile\u7f16\u5199\u89c4\u5219<\/strong><\/p>\n\n\n\n

1\u3001\u6307\u4ee4\u5927\u5c0f\u5199\u4e0d\u654f\u611f\uff0c\u4e3a\u4e86\u533a\u5206\u4e60\u60ef\u4e0a\u7528\u5927\u5199<\/p>\n\n\n\n

2\u3001Dockerfile\u975e\u6ce8\u91ca\u884c\u7b2c\u4e00\u884c\u5fc5\u987b\u662fFROM<\/p>\n\n\n\n

3\u3001\u6587\u4ef6\u540d\u5fc5\u987b\u662fDockerfile<\/p>\n\n\n\n

4\u3001Dockerfile\u6307\u5b9a\u4e00\u4e2a\u4e13\u95e8\u7684\u76ee\u5f55\u4e3a\u5de5\u4f5c\u7a7a\u95f4<\/p>\n\n\n\n

5\u3001\u6240\u6709\u5f15\u5165\u6620\u5c04\u7684\u6587\u4ef6\u5fc5\u987b\u5728\u8fd9\u4e2a\u5de5\u4f5c\u7a7a\u95f4\u76ee\u5f55\u4e0b<\/p>\n\n\n\n

6\u3001Dockerfile\u5de5\u4f5c\u7a7a\u95f4\u76ee\u5f55\u4e0b\u652f\u6301\u9690\u85cf\u6587\u4ef6(.dockeringore)<\/p>\n\n\n\n

7\u3001(.dockeringore)\u4f5c\u7528\u662f\u7528\u4e8e\u5b58\u653e\u4e0d\u9700\u8981\u6253\u5305\u5bfc\u5165\u955c\u50cf\u7684\u6587\u4ef6\uff0c\u6839\u76ee\u5f55\u5c31\u662f\u5de5\u4f5c\u7a7a\u95f4\u76ee\u5f55<\/p>\n\n\n\n

8\u3001\u6bcf\u4e00\u6761\u6307\u4ee4\u90fd\u4f1a\u751f\u6210\u4e00\u4e2a\u955c\u50cf\u5c42\uff0c\u955c\u50cf\u5c42\u591a\u4e86\u6267\u884c\u6548\u7387\u5c31\u6162\uff0c\u80fd\u5199\u6210\u4e00\u6761\u6307\u5b9a\u7684\u5c31\u5199\u6210\u4e00\u6761<\/p>\n\n\n\n

dockerfile\u6587\u4ef6\u4e2d\u7684\u73af\u5883\u53d8\u91cf<\/strong><\/p>\n\n\n\n

\u53d8\u91cf\u8d4b\u503c\uff1a\u53d8\u91cf\u540d=\u8d4b\u503c<\/p>\n\n\n\n

\u53d8\u91cf\u5f15\u7528\uff1a$variable_name or ${variable_name}<\/p>\n\n\n\n

\u7ed9\u53d8\u91cf\u9ed8\u8ba4\u503c\uff1a<\/p>\n\n\n\n

${\u53d8\u91cf\u540d:-\u5b57\u7b26\u4e32}:\u5982\u679cparameter\u6ca1\u88ab\u8d4b\u503c\u6216\u5176\u503c\u4e3a\u7a7a,\u5c31\u4ee5string\u4f5c\u4e3a\u9ed8\u8ba4\u503c,\u5b83\u4e0d\u4f1a\u8d4b\u503c\u7ed9\u53d8\u91cf<\/p>\n\n\n\n

${\u53d8\u91cf\u540d:=\u5b57\u7b26\u4e32}:\u5982\u679cparameter\u6ca1\u88ab\u8d4b\u503c\u6216\u5176\u503c\u4e3a\u7a7a,\u5c31\u4ee5string\u4f5c\u4e3a\u9ed8\u8ba4\u503c,\u5b83\u4f1a\u8d4b\u503c\u7ed9\u53d8\u91cf(\u7528\u6237\u6ca1\u6709\u4f20\u9012\u503c)<\/p>\n\n\n\n

${\u53d8\u91cf\u540d:+\u5b57\u7b26\u4e32}:\u5982\u679cparameter\u6ca1\u88ab\u8d4b\u503c\u6216\u5176\u503c\u4e3a\u7a7a,\u5c31\u4ec0\u4e48\u90fd\u4e0d\u505a,\u5426\u5219\u7528string\u66ff\u6362\u53d8\u91cf\u5185\u5bb9<\/p>\n\n\n\n

dockerfile\u7684\u6307\u4ee4<\/strong><\/p>\n\n\n\n

COPY\uff1a\u4eceDocker\u5bbf\u4e3b\u673a\u590d\u5236\u6587\u4ef6\u81f3\u521b\u5efa\u7684\u65b0\u955c\u50cf\u6587\u4ef6<\/p>\n\n\n\n

4.1\u3001COPY <src> <dest>4.2\u3001COPY [“<src>”,…. “<dest>”]4.3\u3001<src>\uff1a\u8981\u590d\u5236\u7684\u6e90\u6587\u4ef6\u6216\u76ee\u5f55\uff0c\u652f\u6301\u4f7f\u7528\u901a\u914d\u7b26     1\u3001<src>\u5fc5\u987b\u662fbuild\u4e0a\u4e0b\u6587\u4e2d\u7684\u8def\u5f84\uff0c\u4e0d\u80fd\u662f\u5176\u7236\u76ee\u5f55\u8def\u5f84     2\u3001\u5982\u679c<src>\u662f\u76ee\u5f55\uff0c\u5219\u5176\u5185\u90e8\u6587\u4ef6\u548c\u5b50\u76ee\u5f55\u90fd\u4f1a\u88ab\u9012\u5f52\u590d\u5236\uff0c\u4f46\u662f<src>\u76ee\u5f55\u672c\u8eab\u4e0d\u4f1a\u88ab\u590d\u5236     3\u3001\u5982\u679c\u6307\u5b9a\u4e86\u591a\u4e2a<src>,\u6216\u8005<src>\u4e2d\u4f7f\u7528\u4e86\u901a\u914d\u7b26\uff0c\u5219<dest>\u5fc5\u987b\u662f\u4e00\u4e2a\u76ee\u5f55\uff0c\u4e14\u5fc5\u987b\u4ee5\/\u7ed3\u5c3e4.4\u3001<dest>\uff1a\u76ee\u6807\u8def\u5f84\uff0c\u5373\u6b63\u5728\u521b\u5efa\u7684images\u7684\u6587\u4ef6\u7cfb\u7edf\u8def\u5f84     1\u3001\u5efa\u8bae\u4f7f\u7528\u7edd\u5bf9\u8def\u5f84\uff0c\u5426\u5219COPY\u6307\u5b9a\u4ee5WORKDIR\u4e3a\u5176\u5b9e\u8def\u5f84     2\u3001\u5982\u679c<dest>\u4e0d\u5b58\u5728\uff0c\u5c06\u4f1a\u88ab\u81ea\u52a8\u521b\u5efa\uff0c\u5305\u62ec\u5176\u7236\u76ee\u5f55\u8def\u5f84\u4e00\u8d77\u521b\u5efa4.5\u3001\u590d\u5236\u6587\u4ef6     COPY testFile \/mnt4.6\u3001\u590d\u5236\u76ee\u5f55     COPY testDir \/mnt\/testDir     1\u3001testDir\u4e0b\u6240\u6709\u6587\u4ef6\u548c\u76ee\u5f55\u90fd\u4f1a\u88ab\u9012\u5f52\u590d\u5236     2\u3001\u76ee\u6807\u8def\u5f84\u8981\u5199testDir\uff0c\u5426\u5219\u4f1a\u590d\u5236\u5230\/mnt\u4e0b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

ADD\uff1a\u7c7b\u4f3c\u4e8eCOPY\u6307\u4ee4\uff0cADD\u652f\u6301tar\u6587\u4ef6\u548cURL\u8def\u5f84<\/p>\n\n\n\n

5.1\u3001ADD <src> <dest>5.2\u3001ADD [“<src>”,…. “<dest>”]5.3\u3001\u5982\u679c<src>\u4e3aURL\u5207<dest>\u4e0d\u4ee5\/\u7ed3\u5c3e\uff0c\u5219<src>\u6307\u5b9a\u7684\u6587\u4ef6\u5c06\u88ab\u4e0b\u8f7d\u5e76\u76f4\u63a5\u88ab\u521b\u5efa\u4e3a<fimename>\uff0c\u5982\u679c<dest>\u4ee5\/\u7ed3\u5c3e\uff0c\u5219\u6587\u4ef6\u540dURL\u6307\u5b9a\u7684\u6587\u4ef6\u5c06\u88ab\u4e0b\u8f7d\u5e76\u4fdd\u5b58\u4e3a<dest>\/fimename5.4\u3001\u5982\u679c<src>\u662f\u4e00\u4e2a\u538b\u7f29\u6587\u4ef6(tar),\u4f1a\u88ab\u89e3\u538b\u4e3a\u4e00\u4e2a\u76ee\u5f55\uff0c\u4f46\u662f\u901a\u8fc7URL\u4e0b\u8f7d\u7684tar\u6587\u4ef6\u4e0d\u4f1a\u88ab\u89e3\u538b5.5\u3001\u5982\u679c\u662f\u591a\u4e2a<src>\uff0c\u6216\u8005\u662f\u540c\u4e00\u4e2a<src>\u4f7f\u7528\u4e86\u901a\u914d\u7b26\uff0c\u5219<dest>\u5fc5\u987b\u662f\u4ee5\/\u7ed3\u5c3e\u7684\u76ee\u5f55\uff0c\u5982\u679c<dest>\u4e0d\u4ee5\/\u7ed3\u5c3e\uff0c\u5219<src>\u4f1a\u88ab\u4f5c\u4e3a\u4e00\u4e2a\u666e\u901a\u6587\u4ef6,<src>\u5185\u5bb9\u8bb2\u88ab\u5199\u5165\u5230<dest><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

WORKDIR\uff1a\u7528\u4e8e\u4e3aDockerfile\u4e2d\u6240\u6709\u7684RUN\u3001CMD\u3001ENTRYPOINT\u3001COPY\u3001ADD\u6307\u5b9a\u8bbe\u5b9a\u5de5\u4f5c\u76ee\u5f55<\/p>\n\n\n\n

6.1\u3001WORKDIR \/mnt\uff0c\u5982\u679c\u76ee\u5f55\u4e0d\u5b58\u5728\u4f1a\u81ea\u52a8\u521b\u5efa\uff0c\u5305\u62ec\u4ed6\u7684\u7236\u76ee\u5f556.2\u3001\u4e00\u4e2aDockerfile\u4e2dWORKDIR\u53ef\u4ee5\u51fa\u73b0\u591a\u6b21\uff0c\u5176\u8def\u5f84\u4e5f\u53ef\u4ee5\u4e3a\u76f8\u5bf9\u8def\u5f84,\u76f8\u5bf9\u8def\u5f84\u662f\u57fa\u4e8e\u524d\u4e00\u4e2aWORKDIR\u8def\u5f846.3\u3001WORKDIR\u4e5f\u53ef\u4ee5\u8c03\u7528ENV\u6307\u5b9a\u7684\u53d8\u91cf6.4\uff1a\u4e3e\u4f8b     from python:latest     workdir \/mnt     run touch a.txt     workdir \/usr     run touch b.txt<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

VOLUME\uff1a\u6570\u636e\u5377\uff0c\u7528\u4e8e\u5728image\u4e2d\u521b\u5efa\u6302\u8f7d\u70b9\u76ee\u5f55\uff0c\u4ee5\u6302\u8f7dDocker host\u4e0a\u7684\u5377\u6216\u8005\u5176\u4ed6\u5bb9\u5668\u4e0a\u7684\u5377<\/p>\n\n\n\n

7.1\u3001VOLUM mount_point7.2\u3001VOLUM [“mount_point1″,”mount_point2”]7.3\u3001\u5982\u679c\u6302\u8f7d\u70b9\u76ee\u5f55\u4e0b\u6709\u6587\u4ef6\u5b58\u5728\uff0cdocker run\u547d\u4ee4\u4f1a\u5728\u5377\u6302\u8f7d\u5b8c\u6210\u540e\u5c06\u6240\u6709\u6587\u4ef6\u590d\u5236\u5230\u5bb9\u5668\u4e2d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

EXPOSE\uff1a\u4e3a\u5bb9\u5668\u6253\u5f00\u6307\u5b9a\u7684\u76d1\u542c\u7aef\u53e3\u4ee5\u5b9e\u73b0\u4e0e\u5916\u90e8\u901a\u4fe1<\/p>\n\n\n\n

8.1\u3001EXPOSE <port> <\/portocol>     1\u3001<port>\uff1a\u7aef\u53e3\u53f7     2\u3001<\/portocol>\uff1a\u534f\u8bae\u7c7b\u578b\uff0c\u9ed8\u8ba4\u4e3aTCP\u534f\u8bae     EXPOSE 8080\/tcp 8081\/udp8.2\u3001\u4e0d\u4f1a\u76f4\u63a5\u5bf9\u5916\u66b4\u9732\u8fd9\u91cc\u7684\u7aef\u53e3\uff0c\u53ea\u6709\u5728run\u7684\u65f6\u5019\u52a0\u4e0a-P(\u5927\u5199)\u624d\u4f1a\u5c06EXPOSE\u7684\u7aef\u53e3\u66b4\u9732\u51fa\u53bb<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

ENV\uff1a\u7528\u4e8e\u4e3a\u955c\u50cf\u5b9a\u4e49\u6240\u9700\u7684\u73af\u5883\u53d8\u91cf,\u53ef\u4ee5\u88abDockerfile\u6587\u4ef6\u4e2d\u5176\u4ed6\u547d\u4ee4\u8c03\u7528(ENV\u3001ADD\u3001COPY\u3001RUN\u3001CMD)<\/p>\n\n\n\n

9.1\u3001ENV key value     1\u3001key\u4e4b\u540e\u7684\u6240\u6709\u5185\u5bb9\u90fd\u4f1a\u88ab\u89c6\u4e3avalue,\u56e0\u6b64\uff0c\u4e00\u6b21\u53ea\u80fd\u8bbe\u7f6e\u4e00\u4e2a\u53d8\u91cf 9.2\u3001ENV key=value     1\u3001\u53ef\u4ee5\u8bbe\u7f6e\u591a\u4e2a\u53d8\u91cf\uff0c\u6bcf\u4e2akey=value\u952e\u503c\u5bf9\u4e3a\u4e00\u4e2a\u53d8\u91cf     2\u3001\u5982\u679cvalue\u4e2d\u5305\u542b\u7a7a\u683c\u9700\u8981\u7528\u53cd\u659c\u6760\u8f6c\u4e49\uff0c\u4e5f\u53ef\u4ee5\u5bf9value\u52a0\u5f15\u53f7\u8fdb\u884c\u6807\u8bc6\uff0c\u53cd\u659c\u6760\u4e5f\u53ef\u4ee5\u7528\u4e8e\u7eed\u884c9.3\u3001\u8c03\u7528\u683c\u5f0f\uff1a$variable_name \u6216 ${variable_name}9.4\u3001\u5b9a\u4e49\u591a\u4e2a\u53d8\u91cf\u5efa\u8bae\u4f7f\u7528\u7b2c\u4e8c\u79cd\u65b9\u5f0f\uff0c\u4ee5\u4fbf\u5728\u540c\u4e00\u5c42\u4e2d\u5b8c\u62109.5\u3001\u4e3e\u4f8b     ENV DOC_DIR=\/mnt\/doc     COPY index.html ${DOC_DIR:-\/mnt\/doc}      #-\uff1a\u5982\u679cDOC_DIR\u4e0d\u5b58\u5728\u5219\u4f7f\u7528-\u540e\u9762\u7684\u9ed8\u8ba4\u503c     #+\uff1a\u5982\u679cDOC_DIR\u5b58\u5728\u5219\u4f7f\u7528+\u540e\u9762\u7684\u503c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

RUN\uff1adocker build\u955c\u50cf\u6784\u5efa\u7684\u65f6\u5019\u9700\u8981\u6267\u884c\u7684shell\u547d\u4ee4\u9ed8\u8ba4”\/bin\/sh -c”\u8fd0\u884c<\/p>\n\n\n\n

10.1\u3001docker build\u8fc7\u7a0b\u4e2d\u9700\u8981\u6267\u884c\u7684\u547d\u4ee410.2\u3001RUN\u662f\u5728\u955c\u50cf\u6784\u5efa\u5b8c\u6210\u4e4b\u540e\u8fd0\u884c\u7ed3\u675f10.3\u3001RUN\u6267\u884c\u7684\u547d\u4ee4\u53ea\u80fd\u57fa\u4e8e\u57fa\u7840\u955c\u50cf\u7684\u547d\u4ee4\uff0c\u6267\u884c\u4e4b\u524d\u5148\u8981\u786e\u5b9a\u57fa\u7840\u955c\u50cf\u662f\u5426\u6709\u8be5\u547d\u4ee410.4\u3001\u4e00\u4e2aDockerfile\u53ef\u4ee5\u5199\u591a\u4e2aRUN    \u8bed\u6cd5\u4e00\u3001RUN command1 && command2….            1\u3001\u901a\u5e38\u662fshell\u547d\u4ee4\u4e14\u4ee5”\/bin\/sh -c”\u6765\u8fd0\u884c\u5b83\uff0c\u6b64\u65f6\u8fd0\u884c\u4e3ashell\u7684\u5b50\u8fdb\u7a0b          2\u3001\u8fdb\u7a0b\u5728\u5bb9\u5668\u4e2d\u7684PID!=1\uff0c\u4e0d\u80fd\u63a5\u6536unix\u4fe1\u53f7\uff0c\u5f53\u4f7f\u7528docker stop \u5c06\u65e0\u6cd5\u63a5\u6536\u5230          3\u3001RUN echo “test_demo” > a.txt \u6b64\u65f6\u53ef\u4ee5\u4f7f\u7528shell\u7279\u6027    \u8bed\u6cd5\u4e8c\u3001RUN [“executable”,”param1″\uff0c”param2″]          1\u3001executable\u4e3a\u8981\u8fd0\u884c\u7684\u547d\u4ee4          2\u3001param1\u4e3a\u547d\u4ee4\u8fd0\u884c\u7684\u53c2\u6570          3\u3001\u4e0d\u4f1a\u4ee5”\/bin\/sh -c”\u8fd0\u884c(\u975eshell\u5b50\u8fdb\u7a0b)\uff0c\u56e0\u6b64\u4e0d\u652f\u6301shell\u64cd\u4f5c\u7b26\u5982\u53d8\u91cf\u66ff\u6362\u548c\u901a\u914d\u7b26(?,*\u7b49)          4\u3001\u5982\u679c\u8fd0\u884c\u547d\u4ee4\u9700\u8981\u4f9d\u8d56shell\u7279\u6027\u53ef\u4ee5\u589e\u52a0\u53c2\u6570\uff0c\u624b\u52a8\u542f\u52a8\u4e3ashell\u7684\u5b50\u8fdb\u7a0b             RUN [“\/bin\/bash”,”-c”,”executable”,”param1″]          5\u3001list\u4e2d\u7684\u53c2\u6570\u8981\u4f7f\u7528\u53cc\u5f15\u53f7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

CMD\uff1a\u542f\u52a8\u5bb9\u5668\u6307\u5b9a\u9ed8\u8ba4\u8981\u8fd0\u884c\u7684\u7a0b\u5e8f\u6216\u547d\u4ee4\uff0c\u9ed8\u8ba4”\/bin\/sh -c”\u8fd0\u884c<\/p>\n\n\n\n

11.1\u3001docker run\u8fc7\u7a0b\u4e2d\u9700\u8981\u6267\u884c\u7684\u547d\u4ee411.2\u3001CMD\u8fd0\u884c\u7ed3\u675f\u540e\u5bb9\u5668\u5c31\u5c06\u7ec8\u6b6211.3\u3001CMD\u6307\u5b9a\u7684\u547d\u4ee4\u5c06\u53ef\u4ee5\u88ab docker run \u6700\u540e\u9762\u7684\u547d\u4ee4\u8986\u76d611.4\u3001\u4e00\u4e2aDockerfile\u5199\u591a\u4e2aCMD\u53ea\u6709\u6700\u540e\u4e00\u4e2aCMD\u4f1a\u751f\u6548    \u8bed\u6cd5\u4e00\u3001CMD command           1\u3001\u901a\u5e38\u662fshell\u547d\u4ee4\u4e14\u4ee5”\/bin\/sh -c”\u6765\u8fd0\u884c\u5b83\uff0c\u6b64\u65f6\u8fd0\u884c\u4e3ashell\u7684\u5b50\u8fdb\u7a0b\uff0c\u80fd\u4f7f\u7528shell\u64cd\u4f5c\u7b26           2\u3001\u8fdb\u7a0b\u5728\u5bb9\u5668\u4e2d\u7684PID!=1\uff0c\u4e0d\u80fd\u63a5\u6536unix\u4fe1\u53f7\uff0c\u5f53\u4f7f\u7528docker stop \u5c06\u65e0\u6cd5\u63a5\u6536\u5230           3\u3001CMD \/bin\/httpd -f -h ${httpd}              \u6b64\u65f6\u5728\u8fd0\u884c\u5bb9\u5668\u7684\u65f6\u5019\u52a0-it\u53c2\u6570\u65e0\u6cd5\u8fdb\u5165\u4ea4\u4e92\u5f0f\u6a21\u5f0f\uff0c\u9700\u8981\u4f7f\u7528docker exec\u8fdb\u5165\u4ea4\u4e92\u6a21\u5f0f    \u8bed\u6cd5\u4e8c\u3001CMD [“executable”,”param1″,”param2″]           1\u3001\u4e0d\u4f1a\u4ee5”\/bin\/sh -c”\u8fd0\u884c(\u975eshell\u5b50\u8fdb\u7a0b)\uff0c\u56e0\u6b64\u4e0d\u652f\u6301shell\u64cd\u4f5c\u7b26\u5982\u53d8\u91cf\u66ff\u6362\u548c\u901a\u914d\u7b26(?,*\u7b49)           2\u3001\u5982\u679c\u8fd0\u884c\u547d\u4ee4\u9700\u8981\u4f9d\u8d56shell\u7279\u6027\u53ef\u4ee5\u589e\u52a0\u53c2\u6570\uff0c\u624b\u52a8\u542f\u52a8\u4e3ashell\u7684\u5b50\u8fdb\u7a0b              CMD [“\/bin\/bash”,”-c”,”executable”,”param1″,”param2″](\u6709\u95ee\u9898\uff0c\u4e0d\u80fd\u542f\u52a8\u5bb9\u5668)    \u8bed\u6cd5\u4e09\u3001CMD [“param1″,”param2”]           1\u3001\u9700\u8981\u7ed3\u5408ENTRYPOINT\u6307\u4ee4\u63d0\u4f9b\u9ed8\u8ba4\u53c2\u6570\u4f7f\u7528<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

ENTRYPOINT\uff1a\u7c7b\u578bCMD\u6307\u4ee4\u7684\u529f\u80fd\uff0c\u7528\u4e8e\u4e3a\u5bb9\u5668\u6307\u5b9a\u9ed8\u8ba4\u8fd0\u884c\u7a0b\u5e8f\u6216\u547d\u4ee4<\/p>\n\n\n\n

1\u3001\u4e0eCMD\u4e0d\u540c\u7684\u662f\uff0c\u7531ENTRYPOINT\u542f\u52a8\u7684\u7a0b\u5e8f\u4e0d\u4f1a\u88abdocker run\u547d\u4ee4\u884c\u6307\u5b9a\u7684\u53c2\u6570\u8986\u76d6\uff0c\u8fd9\u4e9b\u547d\u4ee4\u884c\u53c2\u6570\u4f1a\u88ab\u5f53\u505a\u53c2\u6570\u4f20\u9012\u7ed9ENTRYPOINT\u6307\u5b9a\u7684\u7a0b\u5e8f2\u3001docker run\u547d\u4ee4\u7684 –entrypoint\u9009\u9879\u53c2\u6570\u53ef\u4ee5\u8986\u76d6ENTRYPOINT\u6307\u4ee4\u6307\u5b9a\u7684\u7a0b\u5e8f3\u3001\u4e00\u4e2aDockerfile\u4e2d\u53ef\u4ee5\u6709\u591a\u4e2aENTRYPOINT\uff0c\u4f46\u662f\u53ea\u6709\u6700\u540e\u4e00\u4e2a\u4f1a\u751f\u65484\u3001ENTRYPOINT\u4e3b\u8981\u7528\u4e8eshell\u4f5c\u4e3a\u542f\u52a8\u5176\u4ed6\u8fdb\u7a0b\u7684\u7236\u8fdb\u7a0b\uff0c\u540e\u9762\u8ddf\u7684\u53c2\u6570\u88ab\u5f53\u6210\u5b50\u8fdb\u7a0b\u6765\u542f\u52a8    \u8bed\u6cd5\u4e00\uff1aENTRYPOINT command    \u8bed\u6cd5\u4e8c\uff1aENTRYPOINT  [“\/bin\/bash”,”param1″,”param2″]<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

CMD\u548cENTRYPOINT\u540c\u65f6\u5b58\u5728Dockerfile\u4e2d<\/p>\n\n\n\n

1\u3001CMD\u7684\u503c\u4f1a\u5f53\u505a\u53c2\u6570\u4f20\u9012\u7ed9ENTRYPOINT2\u3001\u5b9e\u73b0\u4f7f\u7528shell\u5b50\u8fdb\u7a0b\u542f\u52a8httpd3\u3001\u5982\u679cdocker run\u518d\u4f20\u5165\u53c2\u6570\uff0c\u662f\u4f20\u7ed9ENTRYPOINT\u7684\uff0c\u56e0\u4e3aENTRYPOINT\u6709\u81ea\u5df1\u7684\u53c2\u6570\uff0c\u6b64\u65f6CMD\u53c2\u6570\u4f1a\u88abducker run\u540e\u9762\u8ddf\u7684\u53c2\u6570\u8986\u76d6\uff0c\u5e76\u4e0d\u662f\u8986\u76d6ENTRYPOINT\u7684\u53c2\u6570\uff0c\u8981\u8986\u76d6ENTRYPOINT\u7684\u53c2\u6570\u9700\u8981\u4f7f\u7528–entrypoint\u9009\u9879    CMD [“\/bin\/httpd\/”,”-f”]    ENTRYPOINT \/bin\/bash -c -h    \u901a\u8fc7\u4f20\u53c2\u542f\u52a8\u5bb9\u5668    FROM python:latest    LABLE auth=”haili”    ENV NGX_DOC_ROOT=’\/data\/web\/html’    ADD entrypoint.sh \/bin\/    CMD [‘\/usr\/sbin\/nginx’,’-g’,’daemon off;’]    ENTRYPOINT [‘\/bin\/sh’,’-c’,’\/bin\/entrypoint.sh’]    1\u3001\u5148\u6267\u884cENTRYPOINT\uff0c\u7136\u540e\u8bb2CMD\u7684\u503c\u5f53\u505a\u53c2\u6570\u4f20\u7ed9ENTRYPOINT\u8fdb\u884c\u6267\u884c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

USER\uff1a\u6307\u5b9a\u8fd0\u884cimage\u65f6\u548cDockerfile\u4e2d\u4efb\u4f55RUN\u3001CMD\u3001ENTRYPOINT\u6307\u4ee4\u6307\u5b9a\u7684\u7a0b\u5e8f\u7684\u7528\u6237<\/p>\n\n\n\n

1\u3001\u4f7f\u7528\u7528\u6237\u540d\u6216\u8005UID2\u3001\u9ed8\u8ba4\u60c5\u51b5\u4e0bcontainer\u7684\u8fd0\u884c\u8eab\u4efd\u4e3aroot\u7528\u62373\u3001USER UID | user_name4\u3001UID \u548c user_name\u5fc5\u987b\u5b58\u5728\/etc\/passwd\u5f53\u4e2d\uff0c\u5426\u5219\u4f1a\u62a5\u9519<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

HEALTHCHECK\uff1a\u5065\u5eb7\u68c0\u67e5\uff0c\u5b9a\u4e49\u4e00\u4e2a\u547d\u4ee4\u7528\u4e8e\u68c0\u67e5\u4e3b\u8fdb\u7a0b\u5de5\u4f5c\u72b6\u6001\u662f\u5426\u5065\u5eb7<\/p>\n\n\n\n

15.1\u3001HEALTHCHECK\u53c2\u6570    1\u3001–interval=DURATION(default 30s) \u5065\u5eb7\u68c0\u67e5\u95f4\u9694\u65f6\u95f4    2\u3001–timeout=DURATION(default 30s) \u8d85\u65f6\u65f6\u95f4    3\u3001–start-period=DURATION(default 0s) \u5bb9\u5668\u542f\u52a8\u591a\u4e45\u540e\u6267\u884c\u5065\u5eb7\u68c0\u67e5    4\u3001–retries=N(default 30s) \u68c0\u6d4b\u6b21\u657015.2\u3001\u68c0\u67e5\u7ed3\u679c    0\uff1a\u6210\u529f    1\uff1a\u5931\u8d25    2\uff1a\u9884\u7559\u5b57\u6bb5 15.3\u3001\u4e3e\u4f8b     HEALTHCHECK –interval=5m –timeout=5s CMD curl -f http:\/\/localhost:8080 ||exit1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

SHELL\uff1a\u6307\u5b9a\u8fd0\u884cRUN\u3001CMD\u3001ENTRYPOINT\u7684shell\u7a0b\u5e8f<\/p>\n\n\n\n

STOPSIGNAL\uff1a\u7ed9\u4e3b\u8fdb\u7a0b\u53d1\u9001\u4fe1\u53f7<\/p>\n\n\n\n

ARG\uff1adocker build\u8fc7\u7a0b\u4e2d\u7684\u53c2\u6570<\/p>\n\n\n\n

 18.1\u3001\u5b9a\u4e49pyton\u955c\u50cf\u4f5c\u8005\uff0c\u901a\u8fc7\u53c2\u6570\u4f20\u5165    FROM python    ARG author=”latest”    LABLE author=”${author}”    18.2\u3001\u4f7f\u7528    docker build –build-arg author=”haili”    18.3\u3001\u5e38\u7528\u5728docker build \u8fc7\u7a0b\u4e2d\u66ff\u6362\u53c2\u6570<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

ONBUILD\uff1a\u7528\u4e8e\u5728Dockerfile\u4e2d\u5b9a\u4e49\u4e00\u4e2a\u89e6\u53d1\u5668<\/p>\n\n\n\n

19.1\u3001Dockerfile1\u4e2d\u52a0\u4e00\u4e2aONBUILD add file\uff0c\u5f53docker build -t=testpython Dockerfile1\u7684\u65f6\u5019ONBUILD\u6307\u4ee4\u4e0d\u4f1a\u88ab\u6267\u884c,Dockerfile2\u4e2dFROM testpython(Dockerfile1\u6784\u5efa\u540e\u751f\u6210\u7684\u955c\u50cf)\uff0c\u5f53\u8fd0\u884cdocker build -t=test Dockerfile2\u7684\u65f6\u5019Dockerfile1\u4e2d\u7684ONBUILD add file\u4f1a\u88ab\u6267\u884c19.2\u3001Dockerfile\u7528\u4e8ebuild\u955c\u50cf\u6587\u4ef6\uff0c\u6b64\u955c\u50cf\u6587\u4ef6\u53ef\u4ee5\u4f5c\u4e3abase image\u88ab\u53e6\u5916\u4e00\u4e2aDockerfile\u4f5c\u4e3aFROM\u53c2\u6570\u4f7f\u7528\uff0c\u5e76\u4ee5\u4e4b\u6784\u5efa\u65b0\u7684\u955c\u50cf\u6587\u4ef619.3\u3001\u5728\u540e\u9762\u8fd9\u4e2aDockerfile\u4e2d\u7684FROM\u6307\u4ee4\u5728build\u8fc7\u7a0b\u4e2d\u88ab\u6267\u884c\u65f6\uff0c\u5c06\u89e6\u53d1\u521b\u5efa\u5176base image\u7684Dockerfile\u4e2dONBUILD\u6307\u5b9a\u5b9a\u4e49\u7684\u89e6\u53d1\u566819.4\u3001\u5c3d\u7ba1\u4efb\u4f55\u6307\u4ee4\u90fd\u53ef\u4ee5\u6ce8\u518c\u4e3a\u89e6\u53d1\u5668\u6307\u4ee4\uff0c\u4f46\u662fONBUILD\u4e0d\u80fd\u81ea\u6211\u5d4c\u5957\uff0c\u4e14\u4e0d\u4f1a\u89e6\u53d1FROM\u548cMAINTAINER\u6307\u4ee419.5\u3001\u4f7f\u7528\u5305\u542bONBUILD\u6307\u4ee4\u7684Dockerfile\u6784\u5efa\u955c\u50cf\u5e94\u8be5\u4f7f\u7528\u7279\u6b8a\u6807\u7b7e\u5982\uff0cpython:1.0-onbuild19.6\u3001ONBUILD\u6307\u4ee4\u4e2d\u4f7f\u7528ADD COPY\u6307\u4ee4\u8981\u683c\u5916\u5c0f\u5fc3\uff0c\u56e0\u4e3a\u65b0\u6784\u5efa\u8fc7\u7a0b\u5c71\u4e0b\u6587\u7f3a\u5c11\u6307\u5b9a\u7684\u6e90\u6587\u4ef6\u5c31\u4f1a\u5931\u8d25<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Dockerfile\u6587\u4ef6\u6d4b\u8bd5\uff1a<\/strong><\/p>\n\n\n\n

[root@localhost \/]# mkdir images<\/p>\n\n\n\n

[root@localhost \/]# vim \/images\/Dockerfile<\/p>\n\n\n\n

[root@localhost \/]# vim \/images\/index.html<\/p>\n\n\n\n

[root@localhost \/]# cp -R \/etc\/yum.repos.d\/ \/images\/<\/p>\n\n\n\n

[root@localhost \/]# ls -la \/images\/<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

[root@localhost \/]# vim \/images\/Dockerfile<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

COPY <\/strong>\u5982\u679c<src>\u662f\u76ee\u5f55\uff0c\u5219\u5176\u5185\u90e8\u6587\u4ef6\u548c\u5b50\u76ee\u5f55\u90fd\u4f1a\u88ab\u9012\u5f52\u590d\u5236\uff0c\u4f46\u662f<src>\u76ee\u5f55\u672c\u8eab\u4e0d\u4f1a\u88ab\u590d\u5236\u3002
\u5728Dockerfile\u6587\u4ef6<\/strong>\uff0c\u6bcf\u4e00\u6761\u6307\u4ee4\u90fd\u4f1a\u589e\u52a0\u4e00\u4e2a\u955c\u50cf\u5c42\uff0c\u6240\u4ee5\u80fd\u628a\u4e24\u4e2a\u6307\u4ee4\u5408\u6210\u4e00\u6761\u5c31\u5408\u6210\u4e00\u6761\uff0c\u80fd\u4e00\u6761\u641e\u5b9a\u7684\u6307\u4ee4\u7edd\u4e0d\u5206\u6210\u4e24\u6761\u6307\u4ee4\uff0c\u955c\u50cf\u5c42\u8d8a\u591a\uff0c\u4ee5\u540e\u8054\u5408\u6302\u8f7d\u7684\u6548\u7387\u8d8a\u5dee\u3002<\/p>\n\n\n\n

\u8fdb\u5165\u5f53\u524d\u76ee\u5f55\u5236\u4f5c\u955c\u50cf\uff1a<\/strong><\/p>\n\n\n\n

[root@localhost \/]# cd \/images\/<\/p>\n\n\n\n

[root@localhost images]# docker build -t testhttpd:v0.1 .\/<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u505a\u597d\u7684\u955c\u50cf<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u542f\u52a8\u5bb9\u5668\u5e76\u67e5\u770b\u5e76\u9a8c\u8bc1Dockerfile\u6587\u4ef6\u4e2d\u7684\u6253\u5305\u6587\u4ef6\u662f\u5426\u5b58\u5728<\/p>\n\n\n\n

[root@localhost images]# docker run –name test1 -it –rm testhttpd:v0.1<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u4e5f\u53ef\u4e0d\u7528\u8fdb\u5165\u4ea4\u4e92\u5f0f\u6a21\u5f0f\uff0c\u76f4\u63a5\u4f7f\u7528shell\u547d\u4ee4\u67e5\u770b<\/p>\n\n\n\n

[root@localhost images]docker run –name test1 -it –rm testhttpd:v0.1 ls -la \/etc\/<\/p>\n\n\n\n

[root@localhost images]docker run –name test1 -it –rm testhttpd:v0.1 ls -la \/data\/web<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

COPY\u548cADD\u6307\u4ee4\u7684\u533a\u522b<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

WORKDIR\u6307\u4ee4\uff1a<\/strong>\u6307\u5b9a\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

VOLUME\u6307\u4ee4\uff1a<\/strong>\u6307\u5b9adocke\u5bb9\u5668\u7ba1\u7684\u5377\u7684\u76ee\u5f55\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u9a8c\u8bc1\u67e5\u770b\u6307\u5b9adocker\u7ba1\u7406\u7684\u5377<\/strong><\/p>\n\n\n\n

[root@localhost images]# docker run –name test2 -it –rm testhttpd:v0.2 mount<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

EXPOE\u6307\u4ee4<\/strong>\uff1a\u66b4\u9732\u5bf9\u5916\u7aef\u53e3\uff0c\u8fd9\u91cc\u7684\u7aef\u53e3\u66b4\u9732\u53ea\u662f\u5bf9\u5185\u7684ip\u5730\u5740\u7684\u66b4\u9732\uff0c\u5982\u679c\u9700\u8981\u5728\u5bbf\u4e3b\u673a\u7684\u5730\u5740\u4e0a\u66b4\u9732\uff0c\u5728\u542f\u52a8\u5bb9\u5668\u65f6\u9700\u8981\u52a0\u4e0a-p\u9009\u9879\uff0c\u5bb9\u5668\u4f1a\u81ea\u52a8\u66b4\u9732Dockerfeil\u6587\u4ef6\u4e2dEXPOE\u6307\u4ee4\u6307\u5b9a\u7684\u7aef\u53e3\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u57fa\u4e8e\u4ee5\u4e0aDockerfeil\u6587\u4ef6\u5236\u4f5c\u5bb9\u5668\uff1a<\/strong><\/p>\n\n\n\n

[root@localhost images]# docker build -t testhttpd:v0.3 .\/<\/p>\n\n\n\n

\u542f\u52a8\u5bb9\u5668\u5e76\u8fd0\u884c\u6307\u5b9a\u7684httpd\u670d\u52a1\u800c\u4e0d\u662f\u5bb9\u5668\u9ed8\u8ba4\u7684\u7a0b\u5e8f\u8fdb\u7a0b\uff0c-f\u8fd0\u884c\u5728\u524d\u53f0-h\u5e76\u6307\u5b9ahttpd\u670d\u52a1\u7a0b\u5e8f\u7684\u5bb6\u76ee\u5f55\u3002<\/p>\n\n\n\n

[root@localhost images]#docker run –name test3 -it –rm testhttpd:v0.3 \/bin\/httpd -f -h \/data\/web\/html<\/p>\n\n\n\n

\u67e5\u770b\u5bb9\u5668\u4fe1\u606f\u91cctest3\u5bb9\u5668\u7684ip\u5730\u5740<\/p>\n\n\n\n

[root@localhost ~]# docker inspect  test3<\/p>\n\n\n\n

[root@localhost ~]# curl 192.168.100.3<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

[root@localhost images]# docker run –name test4 -it -P –rm testhttpd:v0.3 \/bin\/httpd -f -h \/data\/web\/html<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

ENV\uff1a\u7528\u4e8e\u4e3a\u955c\u50cf\u5b9a\u4e49\u6240\u9700\u7684\u73af\u5883\u53d8\u91cf,\u53ef\u4ee5\u88abDockerfile\u6587\u4ef6\u4e2d\u5176\u4ed6\u547d\u4ee4\u8c03\u7528(ENV\u3001ADD\u3001COPY\u3001RUN\u3001CMD)<\/strong><\/p>\n\n\n\n

     ENV DOC_DIR=\/mnt\/doc<\/p>\n\n\n\n

     COPY index.html ${DOC_DIR:-\/mnt\/doc}<\/p>\n\n\n\n

     #-\uff1a\u5982\u679cDOC_DIR\u4e0d\u5b58\u5728\u5219\u4f7f\u7528-\u540e\u9762\u7684\u9ed8\u8ba4\u503c<\/p>\n\n\n\n

     #+\uff1a\u5982\u679cDOC_DIR\u5b58\u5728\u5219\u4f7f\u7528+\u540e\u9762\u7684\u503c<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

\u8f93\u51fa\u5bb9\u5668\u7684\u73af\u5883\u53d8\u91cf\uff1a<\/p>\n\n\n\n

[root@localhost images]# docker run –name test1 -it -P –rm testhttpd:v0.1 printenv<\/p>\n\n\n\n

\u5728\u542f\u52a8\u5bb9\u5668\u65f6\u4e5f\u53ef\u4ee5\u52a0\u4e0a-e\u9009\u9879\u91cd\u65b0\u7ed9\u53d8\u91cf\u8d4b\u503c\u5982\uff1a<\/p>\n\n\n\n

docker run –name test1 -it -P –rm -e DOC_ROOT=”\/data\/mysql\/” testhttpd:v0.1<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

RUN\u6307\u4ee4\uff1a<\/strong><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

CMD\u6307\u4ee4\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

[root@localhost images]# docker image inspect web:v0.1 \u67e5\u770b\u955c\u50cf\u8be6\u60c5<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

[root@localhost images]# docker run –name testweb -it –rm -P web:v0.1<\/p>\n\n\n\n

\u8fd9\u91cc\u7684\u547d\u4ee4\u52a0\u4e0a-it\u53c2\u6570\u4e5f\u662f\u6ca1\u6709\u7528\u7684\u56e0\u4e3ahttp\u662f\u6ca1\u6709\u4ea4\u4e92\u5f0f\u63a5\u53e3\u7684\uff0c\u6240\u4ee5\u5c31\u51fa\u73b0\u6765\u5361\u5728\u4e0b\u9762\u7684\u754c\u9762\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

[root@localhost ~]# docker exec -it testweb \/bin\/sh<\/p>\n\n\n\n

\u4ece\u4e0b\u56fe\u4e2d\u53ef\u4ee5\u770b\u51fa\u9ed8\u8ba4\u542f\u52a8\u7684\u7a0b\u5e8f\u8fdb\u7a0b\u5df2\u7ecf\u88ab\u6539\u53d8\u4e86\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n

ENTRYPOINT\u6307\u4ee4\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u6d4b\u8bd5\uff1a\u4f8b\u5982\u8fd0\u884cnginx\u8ba9nginx\u7075\u6d3b\u63a5\u53d7\u914d\u7f6e\u6587\u4ef6<\/p>\n\n\n\n

\u4e00\uff1a\u5728dockerHUB\u4e0a\u4e0b\u8f7dnginx\u57fa\u7840\u955c\u50cf.<\/p>\n\n\n\n

[root@localhost images]# docker pull nginx:1.23.1-alpine<\/p>\n\n\n\n

\u6211\u8fd9\u91cc\u4e0b\u8f7d\u7684\u662fnginx\u7684alpine\u7684\u4e3a\u57fa\u7840\u955c\u50cf\uff0c\u4e5f\u53ef\u4ee5\u76f4\u63a5\u4e0b\u8f7ddocker pull nginx<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u4e8c\uff1a\u7f16\u8f91Dockerfeil\u6587\u4ef6\u4ee5\u53caentrypoint.sh\u811a\u672c\uff08\u811a\u672c\u4f7f\u7528\u7684\u662f\/bin\/sh.\u800c\u4e0d\u662f\/bin\/bash\/\u56e0\u4e3anginx\u7684\u57fa\u7840\u955c\u50cf\u662falpine\u7248\u672c\u4e0d\u652f\u6301\/bin\/bash)<\/p>\n\n\n\n

\u6ce8\u610f<\/strong>:\u8fd9\u91cc\u4f7f\u7528\u5355\u5f15\u53f7\u53ef\u80fd\u4f1a\u62a5\u9519\uff0c\u5e94\u4f7f\u7528\u53cc\u5f15\u53f7\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

entrypoint.sh\u811a\u672c<\/p>\n\n\n\n

[root@localhost images]# vim entrypoint.sh<\/p>\n\n\n\n

\u8fd9\u91cc\u7684$@\u8868\u793a\u811a\u672c\u7684\u6240\u6709\u53c2\u6570\u4f20\u9012\u7684\u53c2\u6570\u662f\u4ec0\u4e48\u811a\u672c\u5c31\u8fd0\u884c\u4ec0\u4e48\uff0c exec $@\u662f\u66ff\u6362\u5f53\u524d\u7684\u8fdb\u7a0b<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

[root@localhost images]# vim index.html<\/p>\n\n\n\n

\u7f16\u8f91\u7f51\u9875\u6587\u4ef6<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

[root@localhost images]# docker build -t myweb:v0.1 .\/<\/p>\n\n\n\n

\u5236\u4f5c\u955c\u50cf (\u6d4b\u8bd5\u4e2d\uff0c\u5bb9\u5668\u542f\u52a8\u62a5\u9519\uff0c\u6ca1\u6210\u529f\uff09<\/p>\n\n\n\n

\"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"

 dockerfile\u6587\u4ef6\u7684\u683c\u5f0f &nb…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,7,1],"tags":[],"class_list":["post-989","post","type-post","status-publish","format-standard","hentry","category-k8s-docker","category-7","category-1"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.jchj.top\/index.php?rest_route=\/wp\/v2\/posts\/989","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jchj.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jchj.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jchj.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jchj.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=989"}],"version-history":[{"count":1,"href":"https:\/\/www.jchj.top\/index.php?rest_route=\/wp\/v2\/posts\/989\/revisions"}],"predecessor-version":[{"id":1019,"href":"https:\/\/www.jchj.top\/index.php?rest_route=\/wp\/v2\/posts\/989\/revisions\/1019"}],"wp:attachment":[{"href":"https:\/\/www.jchj.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=989"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jchj.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=989"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jchj.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=989"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}