Adding the lab project

backend/src/server.ts

@@ -0,0 +1,16 @@
+import { Pool } from 'pg'
+import { createCaStudioApi } from './caStudioApi.js'
+
+const databaseUrl = process.env.DATABASE_URL
+
+if (!databaseUrl) {
+  throw new Error('DATABASE_URL is required')
+}
+
+const pool = new Pool({ connectionString: databaseUrl })
+const app = createCaStudioApi(pool)
+const port = Number(process.env.PORT ?? 3100)
+
+app.listen(port, () => {
+  console.log(`CA Studio API listening on http://localhost:${port}`)
+})