usercenter: 
        image: mcr.microsoft.com/dotnet/core/runtime-deps:3.1-focal
        volumes: 
            - ./UserCenter:/UserCenter
        ports: 
            - 8010:8010
        command: bash -c "
                chmod +x /UserCenter/UserCenter 
                && cd /UserCenter
                && ./UserCenter
            "
        networks: 
            default: 
                ipv4_address: 172.16.0.11