services: node1: build: . #image: ubuntu:20.04 command: bash -c "while true; do echo -e \"node 1 is running\"; sleep 2; done" cap_add: - NET_ADMIN volumes: - ./:/project networks: - common-net node2: build: . #image: ubuntu:20.04 command: bash -c "while true; do echo -e \"node 2 is running\"; sleep 2; done" cap_add: - NET_ADMIN volumes: - ./:/project networks: - common-net networks: common-net: driver: bridge