The services and network and vol for one node

docker-compose.yml

services:
  node1:
    << : *quorum-def
    hostname: node1
    ports:
      - "22000:8545"
    volumes:
      - vol1:/qdata
      - ./3nodes:/3nodes:ro
    environment:
      - PRIVATE_CONFIG=ignore
      - NODE_ID=1
    networks:
      quorum-simple-net:
        ipv4_address: 172.16.239.11
networks:
  quorum-simple-net:
    name: quorum-simple-net
    driver: bridge
    ipam:
      driver: default
      config:
      - subnet: 172.16.239.0/24
volumes:
  "vol1":