Setup Postgres with Drizzle ORM

.env.example

@@ -1,5 +1,5 @@
 CLOUDFLARE_API_TOKEN=
-MONGODB_URI=
+DATABASE_URL=
 SG_CARS_TRENDS_API_TOKEN=
 
 UPSTASH_REDIS_REST_URL=

package.json

@@ -14,9 +14,11 @@
 		"typecheck": "tsc --noEmit"
 	},
 	"dependencies": {
+		"@neondatabase/serverless": "^0.10.4",
 		"@upstash/ratelimit": "^2.0.3",
 		"@upstash/redis": "^1.34.0",
 		"date-fns": "^2.30.0",
+		"drizzle-orm": "^0.38.2",
 		"hono": "^4.6.5",
 		"mongodb": "6.8.0",
 		"sst": "3.3.59"

src/config/db.ts

@@ -1,21 +1,8 @@
-import * as mongodb from "mongodb";
+import { neon } from "@neondatabase/serverless";
+import { drizzle } from "drizzle-orm/neon-http";
 import { Resource } from "sst";
 
-const MongoClient = mongodb.MongoClient;
-
-let cachedDb: mongodb.Db | null = null;
-
-const connectToDatabase = async (): Promise<mongodb.Db> => {
-	if (cachedDb) {
-		return cachedDb;
-	}
-
-	const client = await MongoClient.connect(Resource.MONGODB_URI.value);
-	cachedDb = client.db("main");
-
-	return cachedDb;
-};
-
-const db = await connectToDatabase();
+const sql = neon(Resource.DATABASE_URL.value);
+const db = drizzle(sql);
 
 export default db;

sst.config.ts

@@ -44,7 +44,10 @@ export default $config({
 		};
 	},
 	async run() {
-		const MONGODB_URI = new sst.Secret("MONGODB_URI", process.env.MONGODB_URI);
+		const DATABASE_URL = new sst.Secret(
+			"DATABASE_URL",
+			process.env.DATABASE_URL,
+		);
 		const SG_CARS_TRENDS_API_TOKEN = new sst.Secret(
 			"SG_CARS_TRENDS_API_TOKEN",
 			process.env.SG_CARS_TRENDS_API_TOKEN,
@@ -60,7 +63,7 @@ export default $config({
 
 		const { url } = new sst.aws.Function("Hono", {
 			link: [
-				MONGODB_URI,
+				DATABASE_URL,
 				SG_CARS_TRENDS_API_TOKEN,
 				UPSTASH_REDIS_REST_TOKEN,
 				UPSTASH_REDIS_REST_URL,