Build caddy with the following features.
- Support DNS challenge using Cloudflare.
- Support SSH forward using
layer4module.
Build commands
xcaddy build
--with github.com/caddy-dns/cloudflare \
--with github.com/WeidiDeng/caddy-cloudflare-ip \
--with github.com/fvbommel/caddy-combine-ip-ranges \
--with github.com/mholt/caddy-l4