Docker haproxy实现Docker容器（nginx）的负载均衡

1.添加docker-compose环境变量nginx镜像导入本地
[root@server1 ~]# ls docker-compose-Linux-x86_64-1.24.1
[root@server1 ~]# mv docker-compose-Linux-x86_64-1.24.1 /usr/local/bin/ docker-compose
[root@server1 ~]# cd /usr/local/bin/
[root@server1 bin]# chmod +x docker-compose
[root@server1 ~]# docker load -i haproxy.tar

2.建立/mnt/compose目录编写docker-compose.yml添加负载调度策略
[root@server1 ~]# mkdir -p /mnt/compose
[root@server1 ~]# cd /mnt/compose
[root@server1 compose]# vi docker-compose.yml
[root@server1 compose]# mkdir web1
[root@server1 compose]# mkdir web2
[root@server1 compose]# cat docker-compose.yml
web1:
image: nginx:1.16
expose:
- 80
volumes:
- ./web1:/usr/share/nginx/html
web2:
image: nginx:1.16
expose:
- 80
volumes:
- ./web2:/usr/share/nginx/html
haproxy:
image: haproxy
volumes:
- ./haproxy/haproxy.cfg:/usr/local/etc/haproxy/haproxy.cfg:ro
links:
- web1
- web2
ports:
- “80:80”
expose:
- 80
[root@server1 compose]# cd web1
[root@server1 web1]# cat index.html
web1
[root@server1 web1]# cd …/web2
[root@server1 web2]# cat index.html
web2

[root@server1 compose]# mkdir haproxy
[root@server1 compose]# cd haproxy/
[root@server1 haproxy]# vi haproxy.cfg
[root@server1 compose]# docker-compose up -d