services:
  relay:
    environment:
      OPENPENCIL_COLLAB_RELAY_HOME_REGION: cn
      OPENPENCIL_COLLAB_RELAY_MAX_PENDING_PER_SOURCE: "1024"
    ports:
      - target: 8091
        published: "8091"
        host_ip: 10.0.0.10
        protocol: tcp