I'm really happy with using docker and compose for everything. You really can't beat how well it works on a single host.

Worrying about having to configure systemd? "restart: always" in compose. Caddy updates? Caddy provides an up to date docker image. You can't get around caddy's config, but tbh, you do it once, and then you're done. It's way better than nginx. Deploying a new version of your go application is just "docker compose up -d".