Add application.properties

src/main/resources/application.properties

@@ -0,0 +1,13 @@
+spring.datasource.url=jdbc:h2:mem:demo;DB_CLOSE_DELAY=-1
+spring.datasource.driverClassName=org.h2.Driver
+spring.datasource.username=sa
+spring.datasource.password=
+
+spring.jpa.hibernate.ddl-auto=create-drop
+spring.jpa.show-sql=true
+spring.jpa.properties.hibernate.format_sql=false
+
+# Keep the console readable: quiet the banner and framework noise.
+spring.main.banner-mode=off
+logging.level.root=WARN
+logging.level.org.hibernate.SQL=DEBUG