docker-compose 笔记
1. 数据卷
通过 volumes 或 宿主文件/目录， 挂载数据。
version: '3.7'
services:
nginx:
image: nginx
volumes:
- static-html:/usr/share/nginx/html
- ./nginx.conf:/etc/nginx/conf.d/default.conf
ports:
- 80:80
volumes:
static-html:
volumes 常用操作
docker volume list
docker volume rm vo-1
2. 网络
2.1 HOST
nginx 可以通过 127.0.0.1:6000 访问宿主机的 127.0.0.1:6000 服务
services:
nginx:
image: nginx
volumes:
- ./nginx.conf:/etc/nginx/conf.d/default.conf
ports:
- 80:80
network_mode: host
2.2 Bridge
services:
nginx:
image: nginx
volumes:
- ./nginx.conf:/etc/nginx/conf.d/default.conf
depends_on:
- tornado
ports:
- 80:80
networks:
- xxx-network
tornado:
image: tornado
networks:
- xxx-network
networks:
xxx-network:
driver: bridge
2.3 bridge + ip 分配
services:
nginx:
image: nginx
volumes:
- ./nginx.conf:/etc/nginx/conf.d/default.conf
depends_on:
- tornado
ports:
- 80:80
networks:
xxx-network:
ipv4_address: 10.5.0.2
tornado:
image: tornado
networks:
xxx-network:
ipv4_address: 10.5.0.3
networks:
xxx-network:
driver: bridge
ipam:
driver: default
config:
- subnet: 10.5.0.0/16
3. 常用命令
- 多实例：
docker-compose up --scale kafka=3 -d