{"id":7356,"date":"2022-09-09T10:57:34","date_gmt":"2022-09-09T02:57:34","guid":{"rendered":"http:\/\/123.57.164.21\/?p=7356"},"modified":"2022-09-09T11:13:58","modified_gmt":"2022-09-09T03:13:58","slug":"dockerfile%e4%b8%adentrypoint-%e5%92%8c-cmd%e7%9a%84%e5%8c%ba%e5%88%ab%e8%af%b4%e6%98%8e","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=7356","title":{"rendered":"Dockerfile\u4e2dENTRYPOINT \u548c CMD\u7684\u533a\u522b\u8bf4\u660e"},"content":{"rendered":"\n

\u5728Docker\u7684\u7cfb\u7edf\u5b66\u4e60\u6559\u7a0b\u4e2d\u6211\u4eec\u4e86\u89e3\u5230\u4f7f\u7528Dockerfile\u6784\u5efaDocker\u955c\u50cf\u4e3a\u4e00\u4e2a\u89c4\u8303\u7684\u65b9\u5f0f\uff0c\u6839\u636eDockerfile\u53ef\u4ee5\u4e86\u89e3\u955c\u50cf\u4e2d\u5b89\u88c5\u7684\u7ec4\u4ef6\u7684\u8be6\u7ec6\u5185\u5bb9\u3002<\/p>\n\n\n\n

Dockerfile\u4e00\u822c\u7531\u56db\u90e8\u5206\u7ec4\u6210:\u7b2c\u4e00\uff0c\u6784\u5efa\u7684\u57fa\u7840\u955c\u50cf\uff1b\u7b2c\u4e8c\uff0c\u955c\u50cf\u6784\u5efa\u8005\u7684\u4fe1\u606f\uff1b\u7b2c\u4e09\uff0c\u6784\u5efa\u955c\u50cf\u8fc7\u7a0b\u4e2d\u955c\u50cf\u5c42\u6dfb\u52a0\u6307\u4ee4\uff1b\u7b2c\u56db\uff0c\u7531\u8be5\u955c\u50cf\u542f\u52a8\u5bb9\u5668\u65f6\u6267\u884c\u7684\u7a0b\u5e8f\u3002<\/p>\n\n\n\n

\u672c\u7bc7\u6587\u7ae0\u4e2d\u6d89\u53ca\u5230\u7684ENTRYPOINT \u548cCMD \u5c5e\u4e8eDockerfile\u4e2d\u7684\u6700\u540e\u4e00\u90e8\u5206\uff0c\u8fd9\u4e24\u4e2aDockerfile\u6307\u4ee4\u662f\u7528\u6765\u544a\u77e5Docker\u540e\u53f0\u7a0b\u5e8f\u542f\u52a8\u955c\u50cf\u65f6\u9700\u8981\u6267\u884c\u7684\u7a0b\u5e8f\uff0c\u4e24\u8005\u6709\u7ec6\u5fae\u7684\u5dee\u522b\u3002<\/p>\n\n\n\n

\u4e0b\u9762\u5c06\u4ece\u4e24\u8005\u7684\u5f02\u540c\u4ee5\u53ca\u4e24\u8005\u8054\u5408\u4f7f\u7528\u7684\u9ad8\u7ea7\u6280\u5de7\u65b9\u9762\u5bf9\u4e24\u4e2a\u6307\u4ee4\u8fdb\u884c\u8be6\u89e3\u3002<\/p>\n\n\n\n

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

\n\n\n\n

CMD \u6307\u4ee4\u6307\u5b9a\u5bb9\u5668\u542f\u52a8\u65f6\u9700\u8981\u8fd0\u884c\u7684\u7a0b\u5e8f\u3002\u4e00\u822c\u7528\u6700\u7b80\u5355\u7684\u65b9\u5f0f\u542f\u52a8\u4e00\u4e2a\u5bb9\u5668\u65f6\u4f7f\u7528docker run \u4f1a\u4f20\u9012\u53c2\u6570\u7ed9docker\u6307\u4ee4<\/p>\n\n\n\n

 docker run -it image \/bin\/bash<\/pre>\n\n\n\n
\u540e\u9762\u7684\/bin\/bash \u5176\u5b9e\u662f\u4f20\u9012\u53c2\u6570\uff0c\u544a\u77e5\u5bb9\u5668\u542f\u52a8\u65f6\u8fd0\u884c\u4e00\u4e2ashell\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u7528CMD \u6307\u4ee4\u7b49\u6548\u7684\u66ff\u6362<\/p>\n\n\n\n
CMD ['\/bin\/bash']<\/pre>\n\n\n\n
\u56e0\u6b64\u5728Dockerfile\u4e2d\u5b58\u5728\u8fd9\u4e2aCMD\u6307\u4ee4\u6307\u5b9a\u7684\u547d\u4ee4\u65f6\uff0c\u542f\u52a8\u5bb9\u5668\u5c31\u53ef\u4ee5\u4e0d\u8fdb\u884c\u53c2\u6570\u4f20\u9012\u3002<\/p>\n\n\n\n
 docker run -it image<\/pre>\n\n\n\n
\u6267\u884c\u6548\u679c\u4e00\u81f4\u3002<\/p>\n\n\n\n
    [root@MiWiFi-R3L-srv test]# docker run --name test -it test_image\n\n    [root@3a1bb0c9e35c \/]#<\/pre>\n\n\n\n
\u5982\u679cdockerfile\u4e2d\u5df2\u7ecf\u6307\u5b9a\u4e86\u5bb9\u5668\u542f\u52a8\u65f6\u8fd0\u884c\u7684\u7a0b\u5e8f\uff0c\u540c\u65f6\u5728\u4f7f\u7528docker run \u542f\u52a8\u5bb9\u5668\u65f6\u4f7f\u7528\u4e86\u547d\u4ee4\u884c\u53c2\u6570\uff0c\u90a3\u4e48dockerfile \u4e2d\u7684cmd \u6307\u4ee4\u5c06\u65e0\u6548<\/p>\n\n\n\n
docker run -it image \/bin\/ps\n<\/pre>\n\n\n\n
\u53d1\u73b0\u542f\u52a8\u5bb9\u5668\u540e\u6ca1\u6709shell \uff0c\u53ea\u662f\u6253\u5370\u51fa\u4e86\u5f53\u524d\u5bb9\u5668\u4e2d\u7684\u8fdb\u7a0b\u72b6\u6001\uff0ccmd \u6307\u4ee4\u6548\u679c\u88ab\u8986\u76d6\u3002<\/p>\n\n\n\n
PID TTY     TIME CMD\n  1 ?    00:00:00 ps\n[root@MiWiFi-R3L-srv test]#<\/pre>\n\n\n\n
\u6b64\u65f6\u53ef\u4ee5\u770b\u5230cmd \u6548\u679c\u88ab\u8986\u76d6\u3002\u5728\u4e00\u4e2adockerfile\u4e2d\u53ea\u6709\u6700\u540e\u4e00\u4e2acmd \u6307\u4ee4\u6709\u6548\uff0c\u56e0\u6b64\u4e00\u4e2adockerfile\u4e2d\u53ea\u5199\u4e00\u4e2acmd \u6307\u4ee4\u3002<\/p>\n\n\n\n
ENTRYPOINT \u6307\u4ee4<\/strong><\/p>\n\n\n\n
\n\n\n\n
ENTRYPOINT \u6307\u4ee4\u6548\u679c\u4e0eCMD \u975e\u5e38\u7684\u7c7b\u4f3c\uff0c\u6bd4\u8f83\u5bb9\u6613\u6df7\u6dc6\u4e24\u8005\u7684\u529f\u80fd\u3002\u6700\u5927\u7684\u533a\u522b\u5728\u4e8e\u4f7f\u7528\u7684\u65b9\u5f0f\uff0cENTRYPOINT \u6307\u5b9a\u7684\u547d\u4ee4\u9700\u8981\u4e0edocker run \u542f\u52a8\u5bb9\u5668\u8fdb\u884c\u642d\u914d\uff0c\u5c06docker run \u6307\u4ee4\u540e\u9762\u8ddf\u7684\u5185\u5bb9\u5f53\u505a\u53c2\u6570\u4f5c\u4e3aENTRYPOINT\u6307\u4ee4\u6307\u5b9a\u7684\u8fd0\u884c\u547d\u4ee4\u7684\u53c2\u6570\uff0cENTRYPOINT \u6307\u5b9a\u7684linux\u547d\u4ee4\u4e00\u822c\u662f\u4e0d\u4f1a\u88ab\u8986\u76d6\u7684\u3002<\/p>\n\n\n\n
\u4ee5nginx \u955c\u50cf\u4e3a\u4f8b\u8bf4\u660e<\/p>\n\n\n\n
\u9996\u5148\u6784\u5efa\u4e00\u4e2anginx\u955c\u50cf\uff0c\u5e76\u4e14\u6307\u5b9a\u5bb9\u5668\u8fd0\u884c\u65f6\u6267\u884c\u7684\u7a0b\u5e8f\u4e3anginx\u3002<\/p>\n\n\n\n
FROM centos\nMAINTAINER allocator\nRUN yum install -y nginx\nRUN echo 'hello world' > \/usr\/share\/nginx\/html\/index.html\nEXPOSE 80\nENTRYPOINT [\"\/usr\/sbin\/nginx\"]<\/pre>\n\n\n\n
\u7136\u540e\u542f\u52a8\u955c\u50cf<\/p>\n\n\n\n
    docker run --name test -p 5000:80 -it test_nginx -g \"daemon off\"<\/pre>\n\n\n\n
\u540e\u9762\u4e24\u4e2a\u662f\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9nginx\u542f\u52a8\u7a0b\u5e8f\u8fd0\u884c\uff0c\u6b64\u65f6nginx\u4f5c\u4e3a\u524d\u53f0\u7a0b\u5e8f\u8fd0\u884c\uff0c\u662f\u4e00\u4e2aweb\u670d\u52a1\u5668\uff0c\u53ef\u4ee5\u6839\u636e\u5916\u90e8\u7ed1\u5b9a\u7684\u7aef\u53e3\uff0c\u901a\u8fc7\u6d4f\u89c8\u5668\u6b63\u5e38\u770b\u5230hello world<\/p>\n\n\n\n
\u4e24\u8005\u8054\u5408\u4f7f\u7528\u6280\u5de7<\/strong><\/p>\n\n\n\n
\n\n\n\n
\u5df2\u7ecf\u660e\u767d\u4e86\u4e24\u8005\u7684\u533a\u522b\uff0c\u53ef\u4ee5\u5229\u7528\u4e24\u8005\u7684\u7279\u70b9\u6784\u5efa\u4e00\u4e2a\u542b\u6709\u9ed8\u8ba4\u542f\u52a8\u8fd0\u884c\u7a0b\u5e8f\u7684\u955c\u50cf\uff0c\u5e76\u4e14\u652f\u6301docker run \u542f\u52a8\u65f6\u4eba\u4e3a\u6307\u5b9a\u542f\u52a8\u7a0b\u5e8f\u8fd0\u884c\u7684\u53c2\u6570\u3002<\/p>\n\n\n\n
\u4e3e\u4e2a\u4f8b\u5b50\u3002\u5229\u7528ENTRYPOINT \u6307\u5b9a\u542f\u52a8\u65f6\u8fd0\u884c\u542f\u52a8nginx\u7a0b\u5e8f\uff0c\u5e76\u7ed9\u5b9a\u9ed8\u8ba4\u7684\u8fd0\u884c\u53c2\u6570\u4e3a\u663e\u793a\u5e2e\u52a9\u4fe1\u606f\uff0cdockerfile \u6784\u5efa\u5982\u4e0b:<\/p>\n\n\n\n
    ENTRYPOINT [\"\/usr\/sbin\/nginx\"]\n\n    CMD [\"-h\"]<\/pre>\n\n\n\n
\u5f53\u4f7f\u7528docker run –name test -it test_nginx \u4e0d\u4f20\u9012\u4efb\u4f55\u53c2\u6570\u65f6\uff0c\u6b64\u65f6\u542f\u52a8\u5bb9\u5668\u4f1a\u4f7f\u7528cmd \u6307\u4ee4\u540e\u7684\u547d\u4ee4\u4f5c\u4e3a\u9ed8\u8ba4\u53c2\u6570\uff0c\u6253\u5370nginx\u7684\u5e2e\u52a9\u4fe1\u606f\u3002\u6b64\u65f6cmd \u540e\u7684\u5185\u5bb9\u5e76\u4e0d\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u6307\u4ee4\uff0c\u800c\u662f\u53c2\u6570\uff0c\u5982\u679c\u5176\u5185\u5bb9\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u6307\u4ee4\uff0c\u90a3\u4e48\u5b83\u5c06\u8986\u76d6\u6389ENTRYPOINT \u4e2d\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n
\u5982\u679c\u4f7f\u7528docker run –name test -it test_nginx -g “daemon off” \u542f\u52a8\u65f6\uff0c\u6b64\u65f6\u7ed9\u5b9a\u7684\u8fd0\u884c\u53c2\u6570\u4f1a\u8986\u76d6\u6389CMD \u6307\u4ee4\u5bf9\u5e94\u7684\u5185\u5bb9\uff0c\u6b64\u65f6nginx\u5c06\u4f5c\u4e3a\u524d\u53f0\u8fdb\u7a0b\u8fd0\u884c\uff0c\u4f5c\u4e3a\u4e00\u4e2aweb\u670d\u52a1\u5668\u4f7f\u7528\uff0c\u901a\u8fc7browser\u53ef\u4ee5\u770b\u5230hello world<\/p>\n\n\n\n
<\/p>\n\n\n\n
\u53e6\u4e00\u4e2a\u6bd4\u8f83\u597d\u7684\u8bf4\u660e<\/strong><\/p>\n\n\n\n
\n\n\n\n
ENTRYPOINT \u5165\u53e3\u70b9<\/p>\n\n\n\n
ENTRYPOINT<\/code> \u7684\u683c\u5f0f\u548c RUN<\/code> \u6307\u4ee4\u683c\u5f0f\u4e00\u6837\uff0c\u5206\u4e3a exec<\/code> \u683c\u5f0f\u548c shell<\/code> \u683c\u5f0f\u3002<\/p>\n\n\n\n
ENTRYPOINT<\/code> \u7684\u76ee\u7684\u548c CMD<\/code> \u4e00\u6837\uff0c\u90fd\u662f\u5728\u6307\u5b9a\u5bb9\u5668\u542f\u52a8\u7a0b\u5e8f\u53ca\u53c2\u6570\u3002ENTRYPOINT<\/code> \u5728\u8fd0\u884c\u65f6\u4e5f\u53ef\u4ee5\u66ff\u4ee3\uff0c\u4e0d\u8fc7\u6bd4 CMD<\/code> \u8981\u7565\u663e\u7e41\u7410\uff0c\u9700\u8981\u901a\u8fc7 docker run<\/code> \u7684\u53c2\u6570 --entrypoint<\/code> \u6765\u6307\u5b9a\u3002<\/p>\n\n\n\n
\u5f53\u6307\u5b9a\u4e86 ENTRYPOINT<\/code> \u540e\uff0cCMD<\/code> \u7684\u542b\u4e49\u5c31\u53d1\u751f\u4e86\u6539\u53d8\uff0c\u4e0d\u518d\u662f\u76f4\u63a5\u7684\u8fd0\u884c\u5176\u547d\u4ee4\uff0c\u800c\u662f\u5c06 CMD<\/code> \u7684\u5185\u5bb9\u4f5c\u4e3a\u53c2\u6570\u4f20\u7ed9 ENTRYPOINT<\/code> \u6307\u4ee4\uff0c\u6362\u53e5\u8bdd\u8bf4\u5b9e\u9645\u6267\u884c\u65f6\uff0c\u5c06\u53d8\u4e3a\uff1a<\/p>\n\n\n\n
<ENTRYPOINT> \"<CMD>\"<\/pre>\n\n\n\n
\u90a3\u4e48\u6709\u4e86 CMD<\/code> \u540e\uff0c\u4e3a\u4ec0\u4e48\u8fd8\u8981\u6709 ENTRYPOINT<\/code> \u5462\uff1f\u8fd9\u79cd <ENTRYPOINT> \"<CMD>\"<\/code> \u6709\u4ec0\u4e48\u597d\u5904\u4e48\uff1f\u8ba9\u6211\u4eec\u6765\u770b\u51e0\u4e2a\u573a\u666f\u3002<\/p>\n\n\n\n
\u573a\u666f\u4e00\uff1a\u8ba9\u955c\u50cf\u53d8\u6210\u50cf\u547d\u4ee4\u4e00\u6837\u4f7f\u7528<\/strong><\/p>\n\n\n\n
\u5047\u8bbe\u6211\u4eec\u9700\u8981\u4e00\u4e2a\u5f97\u77e5\u81ea\u5df1\u5f53\u524d\u516c\u7f51 IP \u7684\u955c\u50cf\uff0c\u90a3\u4e48\u53ef\u4ee5\u5148\u7528 CMD<\/code> \u6765\u5b9e\u73b0\uff1a<\/p>\n\n\n\n
FROM ubuntu:16.04\nRUN apt-get update \\\n    && apt-get install -y curl \\\n    && rm -rf \/var\/lib\/apt\/lists\/*\nCMD [ \"curl\", \"-s\", \"http:\/\/ip.cn\" ]<\/pre>\n\n\n\n
\u5047\u5982\u6211\u4eec\u4f7f\u7528 docker build -t myip .<\/code> \u6765\u6784\u5efa\u955c\u50cf\u7684\u8bdd\uff0c\u5982\u679c\u6211\u4eec\u9700\u8981\u67e5\u8be2\u5f53\u524d\u516c\u7f51 IP\uff0c\u53ea\u9700\u8981\u6267\u884c\uff1a<\/p>\n\n\n\n
$ docker run myip\n\u5f53\u524d IP\uff1a61.148.226.66 \u6765\u81ea\uff1a\u5317\u4eac\u5e02 \u8054\u901a<\/pre>\n\n\n\n
\u55ef\uff0c\u8fd9\u4e48\u770b\u8d77\u6765\u597d\u50cf\u53ef\u4ee5\u76f4\u63a5\u628a\u955c\u50cf\u5f53\u505a\u547d\u4ee4\u4f7f\u7528\u4e86\uff0c\u4e0d\u8fc7\u547d\u4ee4\u603b\u6709\u53c2\u6570\uff0c\u5982\u679c\u6211\u4eec\u5e0c\u671b\u52a0\u53c2\u6570\u5462\uff1f\u6bd4\u5982\u4ece\u4e0a\u9762\u7684 CMD<\/code> \u4e2d\u53ef\u4ee5\u770b\u5230\u5b9e\u8d28\u7684\u547d\u4ee4\u662f curl<\/code>\uff0c\u90a3\u4e48\u5982\u679c\u6211\u4eec\u5e0c\u671b\u663e\u793a HTTP \u5934\u4fe1\u606f\uff0c\u5c31\u9700\u8981\u52a0\u4e0a -i<\/code> \u53c2\u6570\u3002\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u52a0 -i<\/code> \u53c2\u6570\u7ed9 docker run myip<\/code> \u4e48\uff1f<\/p>\n\n\n\n
$ docker run myip -i\ndocker: Error response from daemon: invalid header field value \"oci runtime error: contain<\/pre>\n\n\n\n
\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u53ef\u6267\u884c\u6587\u4ef6\u627e\u4e0d\u5230\u7684\u62a5\u9519\uff0cexecutable file not found<\/code>\u3002\u4e4b\u524d\u6211\u4eec\u8bf4\u8fc7\uff0c\u8ddf\u5728\u955c\u50cf\u540d\u540e\u9762\u7684\u662f command<\/code>\uff0c\u8fd0\u884c\u65f6\u4f1a\u66ff\u6362 CMD<\/code> \u7684\u9ed8\u8ba4\u503c\u3002\u56e0\u6b64\u8fd9\u91cc\u7684 -i<\/code> \u66ff\u6362\u4e86\u539f\u6765\u7684 CMD<\/code>\uff0c\u800c\u4e0d\u662f\u6dfb\u52a0\u5728\u539f\u6765\u7684 curl -s http:\/\/ip.cn<\/code> \u540e\u9762\u3002\u800c -i<\/code> \u6839\u672c\u4e0d\u662f\u547d\u4ee4\uff0c\u6240\u4ee5\u81ea\u7136\u627e\u4e0d\u5230\u3002<\/p>\n\n\n\n
\u90a3\u4e48\u5982\u679c\u6211\u4eec\u5e0c\u671b\u52a0\u5165 -i<\/code> \u8fd9\u53c2\u6570\uff0c\u6211\u4eec\u5c31\u5fc5\u987b\u91cd\u65b0\u5b8c\u6574\u7684\u8f93\u5165\u8fd9\u4e2a\u547d\u4ee4\uff1a<\/p>\n\n\n\n
$ docker run myip curl -s http:\/\/ip.cn -i<\/pre>\n\n\n\n
\u8fd9\u663e\u7136\u4e0d\u662f\u5f88\u597d\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u800c\u4f7f\u7528 ENTRYPOINT<\/code> \u5c31\u53ef\u4ee5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002\u73b0\u5728\u6211\u4eec\u91cd\u65b0\u7528 ENTRYPOINT<\/code> \u6765\u5b9e\u73b0\u8fd9\u4e2a\u955c\u50cf\uff1a<\/p>\n\n\n\n
FROM ubuntu:16.04\nRUN apt-get update \\\n    && apt-get install -y curl \\\n    && rm -rf \/var\/lib\/apt\/lists\/*\nENTRYPOINT [ \"curl\", \"-s\", \"http:\/\/ip.cn\" ]<\/pre>\n\n\n\n
\u8fd9\u6b21\u6211\u4eec\u518d\u6765\u5c1d\u8bd5\u76f4\u63a5\u4f7f\u7528 docker run myip -i<\/code>\uff1a<\/p>\n\n\n\n
$ docker run myip\n\u5f53\u524d IP\uff1a61.148.226.66 \u6765\u81ea\uff1a\u5317\u4eac\u5e02 \u8054\u901a\n\n$ docker run myip -i\nHTTP\/1.1 200 OK\nServer: nginx\/1.8.0\nDate: Tue, 22 Nov 2016 05:12:40 GMT\nContent-Type: text\/html; charset=UTF-8\nVary: Accept-Encoding\nX-Powered-By: PHP\/5.6.24-1~dotdeb+7.1\nX-Cache: MISS from cache-2\nX-Cache-Lookup: MISS from cache-2:80\nX-Cache: MISS from proxy-2_6\nTransfer-Encoding: chunked\nVia: 1.1 cache-2:80, 1.1 proxy-2_6:8006\nConnection: keep-alive\n\n\u5f53\u524d IP\uff1a61.148.226.66 \u6765\u81ea\uff1a\u5317\u4eac\u5e02 \u8054\u901a<\/pre>\n\n\n\n
\u53ef\u4ee5\u770b\u5230\uff0c\u8fd9\u6b21\u6210\u529f\u4e86\u3002\u8fd9\u662f\u56e0\u4e3a\u5f53\u5b58\u5728 ENTRYPOINT<\/code> \u540e\uff0cCMD<\/code> \u7684\u5185\u5bb9\u5c06\u4f1a\u4f5c\u4e3a\u53c2\u6570\u4f20\u7ed9 ENTRYPOINT<\/code>\uff0c\u800c\u8fd9\u91cc -i<\/code> \u5c31\u662f\u65b0\u7684 CMD<\/code>\uff0c\u56e0\u6b64\u4f1a\u4f5c\u4e3a\u53c2\u6570\u4f20\u7ed9 curl<\/code>\uff0c\u4ece\u800c\u8fbe\u5230\u4e86\u6211\u4eec\u9884\u671f\u7684\u6548\u679c\u3002<\/p>\n\n\n\n
\u573a\u666f\u4e8c\uff1a\u5e94\u7528\u8fd0\u884c\u524d\u7684\u51c6\u5907\u5de5\u4f5c<\/strong><\/p>\n\n\n\n
\u542f\u52a8\u5bb9\u5668\u5c31\u662f\u542f\u52a8\u4e3b\u8fdb\u7a0b\uff0c\u4f46\u6709\u4e9b\u65f6\u5019\uff0c\u542f\u52a8\u4e3b\u8fdb\u7a0b\u524d\uff0c\u9700\u8981\u4e00\u4e9b\u51c6\u5907\u5de5\u4f5c\u3002<\/p>\n\n\n\n
\u6bd4\u5982 mysql<\/code> \u7c7b\u7684\u6570\u636e\u5e93\uff0c\u53ef\u80fd\u9700\u8981\u4e00\u4e9b\u6570\u636e\u5e93\u914d\u7f6e\u3001\u521d\u59cb\u5316\u7684\u5de5\u4f5c\uff0c\u8fd9\u4e9b\u5de5\u4f5c\u8981\u5728\u6700\u7ec8\u7684 mysql \u670d\u52a1\u5668\u8fd0\u884c\u4e4b\u524d\u89e3\u51b3\u3002<\/p>\n\n\n\n
\u6b64\u5916\uff0c\u53ef\u80fd\u5e0c\u671b\u907f\u514d\u4f7f\u7528 root<\/code> \u7528\u6237\u53bb\u542f\u52a8\u670d\u52a1\uff0c\u4ece\u800c\u63d0\u9ad8\u5b89\u5168\u6027\uff0c\u800c\u5728\u542f\u52a8\u670d\u52a1\u524d\u8fd8\u9700\u8981\u4ee5 root<\/code> \u8eab\u4efd\u6267\u884c\u4e00\u4e9b\u5fc5\u8981\u7684\u51c6\u5907\u5de5\u4f5c\uff0c\u6700\u540e\u5207\u6362\u5230\u670d\u52a1\u7528\u6237\u8eab\u4efd\u542f\u52a8\u670d\u52a1\u3002\u6216\u8005\u9664\u4e86\u670d\u52a1\u5916\uff0c\u5176\u5b83\u547d\u4ee4\u4f9d\u65e7\u53ef\u4ee5\u4f7f\u7528 root<\/code> \u8eab\u4efd\u6267\u884c\uff0c\u65b9\u4fbf\u8c03\u8bd5\u7b49\u3002<\/p>\n\n\n\n
\u8fd9\u4e9b\u51c6\u5907\u5de5\u4f5c\u662f\u548c\u5bb9\u5668 CMD<\/code> \u65e0\u5173\u7684\uff0c\u65e0\u8bba CMD<\/code> \u4e3a\u4ec0\u4e48\uff0c\u90fd\u9700\u8981\u4e8b\u5148\u8fdb\u884c\u4e00\u4e2a\u9884\u5904\u7406\u7684\u5de5\u4f5c\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u5199\u4e00\u4e2a\u811a\u672c\uff0c\u7136\u540e\u653e\u5165 ENTRYPOINT<\/code> \u4e2d\u53bb\u6267\u884c\uff0c\u800c\u8fd9\u4e2a\u811a\u672c\u4f1a\u5c06\u63a5\u5230\u7684\u53c2\u6570\uff08\u4e5f\u5c31\u662f <CMD><\/code>\uff09\u4f5c\u4e3a\u547d\u4ee4\uff0c\u5728\u811a\u672c\u6700\u540e\u6267\u884c\u3002\u6bd4\u5982\u5b98\u65b9\u955c\u50cf redis<\/code> \u4e2d\u5c31\u662f\u8fd9\u4e48\u505a\u7684\uff1a<\/p>\n\n\n\n
FROM alpine:3.4\n...\nRUN addgroup -S redis && adduser -S -G redis redis\n...\nENTRYPOINT [\"docker-entrypoint.sh\"]\n\nEXPOSE 6379\nCMD [ \"redis-server\" ]\n<\/pre>\n\n\n\n
\u53ef\u4ee5\u770b\u5230\u5176\u4e2d\u4e3a\u4e86 redis \u670d\u52a1\u521b\u5efa\u4e86 redis \u7528\u6237\uff0c\u5e76\u5728\u6700\u540e\u6307\u5b9a\u4e86 ENTRYPOINT<\/code> \u4e3a docker-entrypoint.sh<\/code> \u811a\u672c\u3002<\/p>\n\n\n\n
#!\/bin\/sh\n...\n# allow the container to be started with `--user`\nif [ \"$1\" = 'redis-server' -a \"$(id -u)\" = '0' ]; then\n    chown -R redis .\n    exec su-exec redis \"$0\" \"$@\"\nfi\n\nexec \"$@\"\n<\/pre>\n\n\n\n
\u8be5\u811a\u672c\u7684\u5185\u5bb9\u5c31\u662f\u6839\u636e CMD<\/code> \u7684\u5185\u5bb9\u6765\u5224\u65ad\uff0c\u5982\u679c\u662f redis-server<\/code> \u7684\u8bdd\uff0c\u5219\u5207\u6362\u5230 redis<\/code> \u7528\u6237\u8eab\u4efd\u542f\u52a8\u670d\u52a1\u5668\uff0c\u5426\u5219\u4f9d\u65e7\u4f7f\u7528 root<\/code> \u8eab\u4efd\u6267\u884c\u3002\u6bd4\u5982\uff1a<\/p>\n\n\n\n
$ docker run -it redis id\nuid=0(root) gid=0(root) groups=0(root)<\/pre>\n","protected":false},"excerpt":{"rendered":"
\u5728Docker\u7684\u7cfb\u7edf\u5b66\u4e60\u6559\u7a0b\u4e2d\u6211\u4eec\u4e86\u89e3\u5230\u4f7f\u7528Dockerfile\u6784\u5efaDocker\u955c\u50cf\u4e3a\u4e00\u4e2a\u89c4\u8303\u7684\u65b9\u5f0f\uff0c\u6839\u636eDo […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/7356"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7356"}],"version-history":[{"count":5,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/7356\/revisions"}],"predecessor-version":[{"id":7361,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/7356\/revisions\/7361"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7356"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}