[FLINK-27513][flink-playgrounds] Update table walkthrough playground for 1.15
[flink-playgrounds.git] / docker /
drwxr-xr-x   ..
drwxr-xr-x - data-generator
drwxr-xr-x - grafana-spend-report-init
drwxr-xr-x - mysql-spend-report-init
drwxr-xr-x - ops-playground-image