Setup and prepare for db connection

backend/package.json

@@ -15,7 +15,8 @@
   "type": "module",
   "dependencies": {
     "@apollo/server": "^5.5.1",
-    "graphql": "^16.14.2"
+    "graphql": "^16.14.2",
+    "mongodb": "^7.7.0"
   },
   "devDependencies": {
     "@types/node": "^26.6.5",

backend/src/db.ts

@@ -0,0 +1,13 @@
+import { MongoClient } from "mongodb";
+
+const uri = process.env.MONGODB_URI ?? "mongodb://127.0.0.1:27017";
+
+const client = new MongoClient(uri);
+
+export async function connectToDatabase() {
+  await client.connect();
+
+  console.log("Connected to MongoDB");
+
+  return client.db("artex");
+}

backend/src/index.ts

@@ -1,5 +1,6 @@
 import { ApolloServer } from "@apollo/server";
 import { startStandaloneServer } from "@apollo/server/standalone";
+import { connectToDatabase } from "./db.js";
 
 // Define the GraphQL schema
 const typeDefs = `#graphql
@@ -15,6 +16,9 @@ const resolvers = {
   },
 };
 
+// Connect to MongoDB before starting the server
+await connectToDatabase();
+
 // Create the Apollo Server
 const server = new ApolloServer({
   typeDefs,