This minimal web server can be used for testing load balancers and reverse proxies.
It returns a text response with the IP of the webserver and the number of requests it has received, like
Server: worker-1
IP: 172.17.0.2
Visits: 6
Host: counter.mycompany.com
X-Forwarded-For: 34.230.12.56
Run it by
docker run -d -p 8080:8080 --name ip-and-counter jpsecher/ip-and-counter $(hostname)
Stop it by
docker kill ip-and-counter
It has a non-counting health endpoint at /health.
