version: '3.7' networks: infra: external: true services: app: image: 172.20.40.1:5000/doorboy:latest hostname: replica${OVERNODE_ID}.doorboy.infra.k-space.ee restart: unless-stopped env_file: .env networks: infra: ipv4_address: 172.21.57.${OVERNODE_ID} ipv6_address: 2001:bb8:4008:21:57::${OVERNODE_ID}