自定义网络实现固定容器ip地址

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:

gateway是网关地址

subnet是网络号段

extnetwork是自定义的网络名称

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

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