我下载了https://github.com/IBM-Blockchain-Identity/indy-ssivc-tutorial，并从./manage start文件夹中运行了von-network。它提示您运行docker-compose脚本。当我运行它时，它会抱怨未设置所有环境变量。
如何设置它们？
von-network$ docker-compose start
WARNING: The IP variable is not set. Defaulting to a blank string.
WARNING: The IPS variable is not set. Defaulting to a blank string.
WARNING: The DOCKERHOST variable is not set. Defaulting to a blank string.
WARNING: The LOG_LEVEL variable is not set. Defaulting to a blank string.
WARNING: The RUST_LOG variable is not set. Defaulting to a blank string.
WARNING: The GENESIS_URL variable is not set. Defaulting to a blank string.
WARNING: The ANONYMOUS variable is not set. Defaulting to a blank string.
WARNING: The LEDGER_SEED variable is not set. Defaulting to a blank string.
WARNING: The LEDGER_CACHE_PATH variable is not set. Defaulting to a blank string.
WARNING: The WEB_ANALYTICS_SCRIPT variable is not set. Defaulting to a blank string.
WARNING: The INFO_SITE_TEXT variable is not set. Defaulting to a blank string.
WARNING: The INFO_SITE_URL variable is not set. Defaulting to a blank string.
Starting node4 ... done
Starting webserver ... done
Starting client ... done
Starting node3 ... done
Starting node1 ... done
Starting nodes ... done
Starting node2 ... done
Starting synctest ... done
ERROR: No containers to start