Currently using local sqlite db for playing around with.

backend/configuration.yml

@@ -1,6 +1,13 @@
 database:
-  driverClass: org.h2.Driver
-  url: jdbc:h2:mem:myDb;DB_CLOSE_DELAY=-1
+  # the name of your JDBC driver
+  driverClass: org.sqlite.JDBC
+
+  # the JDBC URL
+  url: jdbc:sqlite:sampledatabase.db
+
+  # any properties specific to your JDBC driver:
+  properties:
+    foreign_keys: true
 
 server:
   rootPath: /api/

backend/pom.xml

@@ -51,6 +51,11 @@
             <artifactId>h2</artifactId>
             <version>1.4.197</version>
         </dependency>
+        <dependency>
+            <groupId>org.xerial</groupId>
+            <artifactId>sqlite-jdbc</artifactId>
+            <version>3.23.1</version>
+        </dependency>
     </dependencies>
 
     <build>