HAProxy Load Balancer
This is a million12/haproxy docker container with HAProxy load balancer. This work is very similar to official dockerfile/haproxy, but it's based on CentOS-7 and, more importantly, offers ability to provide any arguments to haproxy process. It's also pretty lightweight, only ~240M (vs. ~420M Ubuntu-based dockerfile/haproxy).
This container is built that any extra parameters provided to
docker run will be passed directly to
haproxy command. For example, if you run
docker run [run options] million12/haproxy -n 1000 you pass
-n 1000 to haproxy daemon.
The default haproxy.cfg is provided just for demonstration purposes, so of course you will want to override it.
Auto restart when config changes
This container comes with inotify to monitor changes in HAProxy config and reload HAProxy daemon. The reload is done in a way that no connection is lost.
If you mount your config to different location, simply edit it.
docker run -ti -p 80:80 -p 443:443 million12/haproxy
Mount custom config , override some options
docker run -d -p 80:80 -v /my-haproxy.cfg:/etc/haproxy/haproxy.cfg million12/haproxy -n 10000
Note: in this case config is mounted to its default location, so you don't need to modify
Check version and build options
docker run -ti million12/haproxy -vv
The default URL for stats is
http://CONTAINER_IP/admin?stats with username:password ser to
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