docker-compose 详解及示例代码

docker-compose使用示例

利用docker搭建一个mysql + java service + nginx，总共4个docker容器，如果采用docker run的方式一个一个容器去创建十分麻烦。为了能更高效的批量创建容器，docker推出了docker-compose工具，只需要定义一个docker-compose.yml文件即可快速搞定一组容器的创建，

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