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docker-haproxy

★ 103 Open GitHub ↗

Fully customisable HAProxy load balancer with HTTP/2 and ALPN support. Built on CentOS-7.

// repository documentation

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HAProxy Load Balancer
===

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HAProxy docker container [million12/haproxy](https://registry.hub.docker.com/u/million12/haproxy/) with ALPN and HTTP/2 support.

### Tags

Please specify tag when deploying for specific version.
Example:

`million12/haproxy:latest`  
`million12/haproxy:2.1.5`

### Features

* **Support for HTTP/2** with ALPN
* RockyLinux based (migrated at `2.4.16`)
* Ability to **provide any arguments to haproxy** process
  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.
* Pretty **lightweight**, only ~100M (with OpenSSL and HAProxy compiled from source).
* **Default [haproxy.cfg](container-files/etc/haproxy/haproxy.cfg) provided** for demonstration purposes. You can easily mount your own or point to different location using `HAPROXY_CONFIG` env.
* **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.

### ENV variables

## Usage

### Basic

```bash
docker run -ti \
  -p 80:80 \
  -p 443:443 \
  million12/haproxy
```

### Mount custom config , override some options

```bash
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
`HAPROXY_CONFIG` variable.

### Monitor additional config files

```bash
docker run -d \
  -p 80:80 \
  -e HAPROXY_ADDITIONAL_CONFIG='/etc/haproxy/custom1 /etc/haproxy/custom2' \
  million12/haproxy
```

### Check version and build options

`docker run -ti million12/haproxy -vv`

### Stats

The default URL for stats is `http://CONTAINER_IP/admin?stats` with username:password ser to `admin:admin`.

---

## Authors

Author: Marcin ryzy Ryzycki (<marcin@m12.io>)  
Author: Przemyslaw Ozgo (<linux@ozgo.info>)

docker-haproxy

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