version: '3' services: ansible_control: build: ./ansible_control volumes: - ./ansible_control:/ansible command: tail -f /dev/null ansible_managed: build: ./ansible_managed command: tail -f /dev/null bastion: build: ./bastion networks: - dev_network web_server: build: ./web_server networks: - dev_network db_server: build: ./db_server networks: - dev_network networks: dev_network: driver: bridge