Command EXECution Health Check
A simple HTTP server which returns a 200 or 500 based on the output of a specified command. Useful for applications such as health checks for supporting UDP-based load balancer targets.
This was inspried by usage for Wireguard as inspiried by this post: https://www.procustodibus.com/blog/2021/10/ha-wireguard-site-to-site/