perf: route API Postgres through Hyperdrive to cut per-request latency

apps/api/src/db/client.ts

@@ -1,20 +1,33 @@
-import { env } from 'node:process';
+import type { Logger } from 'drizzle-orm';
 import { drizzle, PostgresJsDatabase } from 'drizzle-orm/postgres-js';
 import { Context } from 'hono';
 import postgres from 'postgres';
 import { AppContext } from '@/index';
 
-const DATABASE_URL = env.INFISCAL_DATABASE_URL;
+// Logs each SQL statement in non-prod (params omitted — they can hold PII).
+class QueryLogger implements Logger {
+  logQuery(query: string): void {
+    console.log(`[db] ${query}`);
+  }
+}
 
-export const useDb = (ctx: Context<AppContext>) => {
+export const useDb = (ctx: Context<AppContext>): PostgresJsDatabase => {
   const storedDb: PostgresJsDatabase | undefined = ctx.get('db');
 
   if (storedDb) {
     return storedDb;
   }
 
-  const sql = postgres(DATABASE_URL);
-  const newDb = drizzle(sql);
+  const connectionString = ctx.env.HYPERDRIVE?.connectionString ?? ctx.env.INFISCAL_DATABASE_URL;
+
+  const sql = postgres(connectionString, {
+    max: 5,
+    fetch_types: false,
+  });
+
+  const newDb = drizzle(sql, {
+    logger: ctx.env.NODE_ENV !== 'production' ? new QueryLogger() : undefined,
+  });
 
   ctx.set('db', newDb);
 

apps/api/worker-configuration.d.ts

@@ -29,6 +29,7 @@ declare namespace Cloudflare {
 		ASSETS_BUCKET: R2Bucket;
 		WHITEBOARD_ASSETS_BUCKET: R2Bucket;
 		API_RATE_LIMITER: RateLimit;
+		HYPERDRIVE?: Hyperdrive;
 	}
 }
 interface Env extends Cloudflare.Env {}

apps/api/wrangler.jsonc

@@ -99,6 +99,9 @@
 			"bucket_name": "coderscreen-whiteboard",
 		},
 	],
+	"hyperdrive": [
+	  { "binding": "HYPERDRIVE", "id": "c205221f01db4e28bcc6ba8c2a1798a2" },
+	],
 	"env": {
 		"staging": {
 			"name": "coderscreen-api-staging",