ARG CADDY_VERSION=2.11.2 FROM caddy:${CADDY_VERSION}-builder AS builder RUN xcaddy build \ --with github.com/lucaslorentz/caddy-docker-proxy/v2 \ --with github.com/pberkel/caddy-storage-redis \ --with github.com/caddy-dns/cloudflare FROM caddy:${CADDY_VERSION}-alpine COPY --from=builder /usr/bin/caddy /usr/bin/caddy RUN mkdir -p /etc/caddy CMD ["caddy", "docker-proxy"]