feat: use auto db configuration

src/main.rs

@@ -121,10 +121,7 @@ async fn launch_web() {
         };
     }
 
-    let db = DatabaseInfo::MongoDb("mongodb://localhost")
-        .connect()
-        .await
-        .unwrap();
+    let db = DatabaseInfo::Auto.connect().await.unwrap();
     db.migrate_database().await.unwrap();
 
     let mongo_db = mongodb::Client::with_uri_str("mongodb://localhost")