version: '2.2' volumes: key: services: onion: build: . image: fphammerle/onion-service volumes: - key:/onion-service:rw environment: VIRTUAL_PORT: 80 TARGET: 1.2.3.4:8080 security_opt: [no-new-privileges] restart: unless-stopped cpus: 0.5 mem_limit: 128m # https://docs.docker.com/compose/compose-file/