カスタム設定ファイルを適用
自作の設定ファイルを適用してHazelcastを起動する方法です。
cf. https://docs.hazelcast.com/hazelcast/5.6/deploy/deploying-with-docker
The default configuration file in Docker containers is
/opt/hazelcast/config/hazelcast-docker.xml. If you want to use another file, you can specify the path to it relative to the hazelcast directory, using theHAZELCAST_CONFIGenvironment variable.