Four instances of a simple Node.js http application fronted by a haproxy instance. Syslog is included as a log endpoint for haproxy.
git clone https://github.com/deployable/docker-haproxy-app
docker-compose up
curl http://localhost:9615
The haproxy config is intended to use multiple ip's mapped to it, one for each service. This isn't configurable in docker-compose or using Docker for Windows or Docker for Mac. .