--- version: "3.9" services: caddy: image: caddy:2.5.1-alpine networks: # add this, so that caddy can talk to the playbook-managed-traefik - traefik ports: - "80:80" - "443:443" - "8448:8448" volumes: - ./Caddyfile:/etc/caddy/Caddyfile # - ./site:/var/www # Other configurations … networks: # add this as well traefik: name: traefik external: true