Merge pull request #40 from Shu12388y/main

resolve the database connection

src/db/dbConnect.ts

@@ -1,41 +1,15 @@
 import mongoose from "mongoose";
-
-const MONGODB_URI = process.env.MONGO_URI;
-
-if (!MONGODB_URI) {
-  throw new Error('Please define the MONGO_URI environment variable inside .env.local');
-}
-
-let cached = global.mongoose;
-
-if (!cached) {
-  cached = global.mongoose = { conn: null, promise: null };
-}
-
 export async function dbConnect() {
-  if (cached.conn) {
-    console.log("Using cached database connection.");
-    return cached.conn;
+  try {
+    mongoose.connect(process.env.MONGO_URI!);
+    const connection = mongoose.connection;
+    connection.on("connected", () => {
+      console.log("Database connected");
+    });
+    connection.on("error", (err) => {
+      console.log("error: ", err);
+    });
+  } catch (error: any) {
+    console.log(error);
   }
-
-  if (!cached.promise) {
-    const opts = {
-      useNewUrlParser: true,
-      useUnifiedTopology: true,
-      bufferCommands: false,
-    };
-
-    cached.promise = mongoose.connect(MONGODB_URI, opts)
-      .then((mongooseInstance) => {
-        console.log("Database connected successfully.");
-        return mongooseInstance;
-      })
-      .catch((err) => {
-        console.error("Database connection error: ", err);
-        throw new Error(`Database connection failed: ${err.message}`);
-      });
-  }
-
-  cached.conn = await cached.promise;
-  return cached.conn;
-}
+}