docker 安装nginx 批量启动 容器间链接

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docker 安装在这里就不详细解说了
安装nginx

FROM centos

RUN rpm -Uvh http://nginx.org/packages/centos ... .el7.ngx.noarch.rpm
RUN yum -y install nginx

EXPOSE 80
ENTRYPOINT nginx && tailf /var/log/nginx/error.log


docker-compose.yml 进行 服务启动 挂载链接

nginx:
   image: 'web'
   ports:
       - '9900:80'
   links:
       - real_web:real_web
       - real_web2:real_web2
   volumes:
       - /root/webuser:/opt:rw
   restart: always

real_web:
   image: 'web'
   ports:
       - '9901:80'
   restart: always
real_web2:
   image: 'web'
   ports:
      - '9902:80'
   restart: always