services: service-no-build: image: portainer/pause:3.9 service-first: image: 127.0.0.1:${TEST_REGISTRY_PORT}/service-first build: context: service-first-dir/ service-second: image: 127.0.0.1:${TEST_REGISTRY_PORT}/service-second:version2 build: context: service-second-dir/ dockerfile: Dockerfile.alt