docker-compose使用示例
利用docker搭建一個mysql + java service + nginx，總共4個docker容器，如果采用docker run的方式一個一個容器去創建十分麻煩。為了能更高效的批量創建容器，docker推出了docker-compose工具，只需要定義一個docker-compose.yml文件即可快速搞定一組容器的創建，
mysql: image: daocloud.io/yjmyzz/mysql-osx:latest volumes: - ./mysql/db:/var/lib/mysql ports: - 3306:3306 environment: - MYSQL_ROOT_PASSWORD=123456 service1: image: java:latest volumes: - ./java:/opt/app expose: - 8080 #ports: # - 9081:8080 links: - mysql:default command: java -jar /opt/app/spring-boot-rest-framework-1.0.0.jar service2: image: java:latest volumes: - ./java:/opt/app expose: - 8080 #ports: # - 9082:8080 links: - mysql:default command: java -jar /opt/app/spring-boot-rest-framework-1.0.0.jar nginx1: image: nginx:latest volumes: - ./nginx/html:/usr/share/nginx/html:ro - ./nginx/nginx.conf:/etc/nginx/nginx.conf:ro - ./nginx/conf.d:/etc/nginx/conf.d:ro #expose: # - 80 ports: - "80:80" links: - service1:service1 - service2:service2
內容不復雜，具體的關鍵字說明見本文最后的參考文章鏈接。
問題：這個文件放在哪里？
參見下面的目錄結構：
mysql-java-nginx├── docker-compose.yml├── java│ └── spring-boot-rest-framework-1.0.0.jar├── mysql│ └── db└── nginx ├── conf ├── conf.d │ └── default.conf ├── html │ └── index.html └── nginx.conf
創建容器：
cd mysql-java-nginxdocker-compose up
就是這么簡單，一個up就搞定了所有容器的創建，up通常用于首次創建，可以觀察終端實時輸出的日志內容判斷容器是否啟動正常，如果沒什么問題，直接Ctrl+C退出，然后
docker-compose start
以后臺方式啟動容器。
其它命令還有：
Commands: build Build or rebuild services help Get help on a command kill Kill containers logs View output from containers pause Pause services port Print the public port for a port binding ps List containers pull Pulls service images restart Restart services rm Remove stopped containers run Run a one-off command scale Set number of containers for a service start Start services stop Stop services unpause Unpause services up Create and start containers migrate-to-labels Recreate containers to add labels version Show the Docker-Compose version information
基本上看名字就知道意思了?！ ?/p>
參考文章：
https://docs.docker.com/compose/compose-file/
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