add JWT validation

sql/flyway.conf

@@ -1,8 +1,8 @@
 # env vars are FLYWAY_URL, FLYWAY_USER, FLYWAY_PASSWORD
 # https://documentation.red-gate.com/fd/parameters-224919673.html
-flyway.url=jdbc:sqlite:./sqlite-db.sqlite
+# file name also referenced in code and potentially in .env files or in environment variables
+flyway.url=jdbc:sqlite:./image-db.sqlite
 flyway.user=admin
 flyway.password=password
 
-# also potentially referenced in .env or an environment variable
 flyway.locations=filesystem:./sql/migrations