for local dev / testing is a Postgres-Db required. Create a .vscode/launch.json with following configurations

{ "version": "0.2.0", "configurations": [ { "type": "java", "name": "DbSampleApplication", "request": "launch", "mainClass": "com.seato.db_sample.DbSampleApplication", "projectName": "db-sample", "env": { "DB_URL": "YOU-CONFIG" "DB_USERNAME": "YOUR-USER", "DB_PASSWORD": "YOUR-PW" } }, { "type": "java", "name": "Attach", "request": "attach", "hostName": "localhost", "port": "" } ] }