docker-compose实现nginx负载均衡

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mv docker-compose-Linux-x86_64-1.22.0.sh /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose

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mkdir -p /tmp/docker/compose
cd /tmp/docker/compose
vim docker-compose.yml



web1:
        image: nginx
        expose:
                - 80
        volumes: 
                - ./web1:/usr/share/nginx/html
 
web2:
        image: nginx
        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"

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mkdir web1 web2
echo we1 > web1/index.html
echo we2 > web2/index.html

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mkdir haproxy
vim haproxy/haproxy.cfg



global
	log 127.0.0.1 local0
	log 127.0.0.1 local1 notice
 
defaults
	log global
	mode http
	option httplog
	option dontlognull
	timeout connect 5000ms
	timeout client 50000ms
	timeout server 50000ms
	stats uri /status
 
frontend balancer
	bind 0.0.0.0:80
	default_backend web_backends
 
backend web_backends
	balance roundrobin
	server server1 web1:80 check
	server server2 web2:80 check

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cd ~/images
docker load -i haproxy.tar
docker load -i nginx.tar

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cd /tmp/docker/compose/
docker-compose up -d