Compose cleanup

.env.example

@@ -1,7 +1,6 @@
 TENANT_ID=your-tenant-id
 CLIENT_ID=your-client-id
 CLIENT_SECRET=your-client-secret
-MONGO_URI=mongodb://root:example@mongo:27017/
 ENABLE_PERIODIC_FETCH=false
 FETCH_INTERVAL_MINUTES=60
 AUTH_ENABLED=false
@@ -12,3 +11,6 @@ AUTH_SCOPE=
 # Comma-separated lists (optional):
 AUTH_ALLOWED_ROLES=
 AUTH_ALLOWED_GROUPS=
+MONGO_ROOT_USERNAME=root
+MONGO_ROOT_PASSWORD=example
+MONGO_PORT=27017