Fix mongo port

src/back/app.ts

@@ -10,7 +10,7 @@ const PORT = process.env.SEALIOUS_PORT
 const base_url = process.env.SEALIOUS_BASE_URL || `http://localhost:${PORT}`;
 const MONGO_PORT = process.env.SEALIOUS_MONGO_PORT
 	? parseInt(process.env.SEALIOUS_MONGO_PORT)
-	: 20723;
+	: 20724;
 const MONGO_HOST = process.env.SEALIOUS_MONGO_HOST || "localhost";
 
 export default class TheApp extends App {