• run docker build . -t pydemo:latest -f pydemo.dockerfile

a raw file which should work by just run each sql in sql-clinet

• make sure jar files are prepared by runing cmd at the top
• run docker-compose -f flink-session.yml run sql-client

• change different-version files you want to run in flink-session.yml -> demo -> command
• run docker-compose -f flink-session.yml run demo

• install ref https://nightlies.apache.org/flink/flink-kubernetes-operator-docs-main/docs/try-flink-kubernetes-operator/quick-start/#deploying-the-operator
• run kubectl apply -f flink-application.yml
• check logs kubectl logs -f deploy/pyjob

• run python prepare_db.py