由于默认的bridge桥接网络,重启容器后会改变ip地址。在一些场景下我们希望固定容器IP地址。
docker-compose是docker的一个编排工具,相对于命令模式创建网络,容器等。使用配置文件相对来说更方便,可追溯问题。
直接粘贴docker-compose.yml文件
version: '2' services: Nginx: image: Nginx:1.13.12 container_name: Nginx restart: always tty: true networks: extnetwork: ipv4_address: 172.19.0.2 networks: extnetwork: ipam: config: - subnet: 172.19.0.0/16 gateway: 172.19.0.1
说明:
上面配置中我们的Nginx容器固定ip为172.19.0.2
示例,自定义网络模式:
version: '2' services: Nginx: image: Nginx:1.13.12 container_name: Nginx restart: always networks: extnetwork: ports: - 80:80 volumes: - '/Nginx/conf.d:/etc/Nginx/conf.d' Nginx2: image: Nginx:1.13.12 container_name: Nginx2 restart: always networks: extnetwork: ipv4_address: 172.19.0.2 db: image: mysql:5.7 container_name: db volumes: - /var/lib/MysqL:/var/lib/MysqL restart: always networks: extnetwork: ports: - 3306:3306 environment: MysqL_ROOT_PASSWORD: wordpress MysqL_DATABASE: wordpress MysqL_USER: wordpress MysqL_PASSWORD: wordpress wordpress: image: wordpress:latest container_name: wordpress depends_on: - db ports: - "8000:80" restart: always networks: extnetwork: environment: wordpress_DB_HOST: db:3306 wordpress_DB_NAME: wordpress wordpress_DB_USER: wordpress wordpress_DB_PASSWORD: wordpress networks: extnetwork: ipam: config: - subnet: 172.19.0.0/16 gateway: 172.19.0.1