Erweiterungen

src/main/resources/application.properties

@@ -7,13 +7,13 @@ vaadin.launch-browser=true
 # To improve the performance during development.
 vaadin.allowed-packages=com.vaadin,org.vaadin,com.flowingcode,de.assecutor.aimailassistant
 
-# H2 Database Configuration
-spring.datasource.url=jdbc:h2:mem:mailassistant
+# H2 Database Configuration (file-based for persistence)
+spring.datasource.url=jdbc:h2:file:./data/mailassistant;DB_CLOSE_ON_EXIT=FALSE
 spring.datasource.driverClassName=org.h2.Driver
 spring.datasource.username=sa
 spring.datasource.password=
 spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
-spring.jpa.hibernate.ddl-auto=create-drop
+spring.jpa.hibernate.ddl-auto=update
 spring.h2.console.enabled=true
 
 # IMAP Configuration