add Caddyfile example

[coolaj86]

If you need to install caddy: https://webinstall.dev/caddy

caddy run --config ./Caddyfile --adapter caddyfile

Caddyfile:

example.com {
    reverse_proxy localhost:8080
}

If you need setcap-netbind for running on 80 and 443 as non-root: https://webinstall.dev/setcap-netbind

sudo env PATH="$PATH" \
    serviceman add --name "caddy" --system --path="$PATH" -- \
    caddy run --config ./Caddyfile --adapter caddyfile