Website: https://caddyserver.com/
Source Code: https://github.com/caddyserver/caddy
Forum: https://caddy.community/
"Caddy 2 is a powerful, enterprise-ready, open source web server with automatic HTTPS written in Go. Caddy is both a flexible, efficient static file server and a powerful, scalable reverse proxy. Use it to serve your static site with compression, template evaluation, Markdown rendering, and more. Or use it as a dynamic reverse proxy to any number of backends, complete with active and passive health checks, load balancing, circuit breaking, caching, and more."