docker-compose with project-based network namespace

docker-compose.yml

networks:
  test-net:
    name: $COMPOSE_PROJECT_NAME-test-net

volumes:
  test-vol:

services:
  app:
    volumes:
      - test-vol:/test-vol
    networks:
      - test-net
    command:
      - echo
      - testing
      - $COMPOSE_PROJECT_NAME
    image: node