web1: image: web expose: - "81" environment: WEB_PORTS: 81 VIRTUAL_HOST: nginx-proxy.test sut: container_name: sut image: nginxproxy/nginx-proxy:test volumes: - /var/run/docker.sock:/tmp/docker.sock:ro environment: LOG_FORMAT: '{"time_local":"$$time_iso8601","remote_addr":"$$remote_addr","request":"$$request","upstream_addr":"$$upstream_addr"}'