docker-compose开机自动重启

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docker-compose开机自动重启

在生产环境中，整个团队需要发布的容器数量很可能极其庞大，而容器之间的联系和拓扑结构也很可能非常复杂，如果依赖人工记录和维护这样复杂的容器关系，并保障集群正常运行、监控、迁移、高可用等常规运维需求，实在是力不从心。
因此，我们需要一种像Dockerfile定义Docker容器一样能够定义容器集群的编排和部署工具，Compose就是来解决这种问题的工具。

docker-compose的安装

docker-compose的安装非常简单：

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$ curl -L https://github.com/docker/compose/releases/download/1.2.0/docker-compose-`uname -s`-`uname -m` > /usr/local/bin/docker-compose
$ chmod +x /usr/local/bin/docker-compose

docker-compose.yml的编写

这是sdp环境的一个例子

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gitlab: 
   image: 'registry.menethil.net:5000/sameersbn/gitlab' 
   ports: 
       - "8082:80" 
       - "10022:22" 
   links: 
       - redis:redisio 
       - postgresql:postgresql 
       - ldap:ldap1 
   volumes: 
       - /data/srv/docker/gitlab/gitlab:/home/git/data 
   environment: 
       - GITLAB_PORT=80 
       - GITLAB_SSH_PORT=10022 
       - GITLAB_HOST=git.menethil.neti 
       - LDAP_ENABLED=true 
       - LDAP_HOST=10.117.105.140 
       - LDAP_UID=uid 
       - LDAP_BIND_DN=cn=Manager,dc=tuleap,dc=local 
       - LDAP_PASS=123456 
       - LDAP_ALLOW_USERNAME_OR_EMAIL_LOGIN=false 
       - LDAP_BLOCK_AUTO_CREATED_USERS=false 
       - LDAP_BASE=ou=people,dc=tuleap,dc=local 
       - LDAP_LABEL=LDAP 
       - UNICORN_TIMEOUT=72000 
       - NGINX_MAX_UPLOAD_SIZE=10000M 
redis: 
   image: 'registry.menethil.net:5000/sameersbn/redis:latest' 
   volumes: 
       - /data/var/lib/redis:/var/lib/redis 
   expose: 
       - "6379" 
postgresql: 
   image: 'registry.menethil.net:5000/sameersbn/postgresql:9.4-3' 
   volumes: 
       - /data/var/lib/postgresql:/var/lib/postgresql 
   environment: 
       - DB_NAME=gitlabhq_production
       - DB_USER=gitlab
       - DB_PASS=password
   ports:
       - "5432:5432"
   expose:
       - "5432"

nginx:
   image: 'registry.menethil.net:5000/shareinto/nginx:0.1'
   ports:
       - '80:80'
   volumes:
       - /root/nginx/nginx-conf:/etc/nginx/conf.d
       - /data/etc/salt/pki/minion:/etc/salt/pki/minion
ldap:
   image: 'registry.menethil.net:5000/enalean/ldap'
   ports:
       - '389:389'
       - '636:636'
   expose:
       - "389"
       - "636"
   volumes:
       - /data/ldap/data:/data
   environment:
       - LDAP_ROOT_PASSWORD=123456
       - LDAP_MANAGER_PASSWORD=123456
jenkins:
   image: 'registry.menethil.net:5000/shareinto/jenkins:0.1'
   ports:
       - "8080:8080"
   volumes:
       - /data/home/.m2/repository:/home/.m2/repository
       - /data/data/jenkins/jobs:/data/jenkins/jobs
       - /data/data/jenkins:/data/jenkins
   environment:
       - JENKINS_HOME=/data/jenkins
       - NEXUS_HOST=http://10.117.105.140:8081
   user: root
   links:
       - ldap:ldap1
nexus:
   image: 'registry.menethil.net:5000/sonatype/nexus'
   ports:
       - "8081:8081"
   volumes:
       - /data/sonatype-work:/sonatype-work
   user: root
mongo:
   image: 'registry.menethil.net:5000/tutum/mongodb'
   ports:
       - "27017:27017"
       - "28017:28017"
   volumes:
       - AUTH=no
   ports:
       - "4506:4506"
       - /data/etc/salt/pki:/etc/salt/pki
       - /data/var/cache/salt:/var/cache/salt
       - /data/etc/salt/master.d:/etc/salt/master.d
       - /data/srv/salt:/srv/salt
erp:
   image: 'registry.menethil.net:5000/shareinto/omco.erp.web:1.0.0'
   ports:
       - "5004:5004"
   links:
       - ldap:ldap1
sdp:
   image: 'shareinto/portal'
   ports:
       - "8889:8080"
   links:
       - saltmaster
       - jenkins
       - nexus
       - gitlab

文件的说明文档可以查看这里

开机自动运行

找到/etc/rc.d/rc.local文件,添加以下脚本

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/usr/local/bin/docker-compose -f /root/gitlab-compose/docker-compose.yml up -d

其中-f参数是指定docker-compose.yml文件的参数
设置完以后，重启操作系统，耐心等待一会，就可以看到对应的docker容器都启动起来了

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