import { drizzle } from 'drizzle-orm/postgres-js'; import postgres from 'postgres'; import { env } from '../config/env'; import * as schema from './schema'; let db: ReturnType> | undefined; export function createDbClient() { if (!env.databaseUrl) { throw new Error('DATABASE_URL is required to create a database client'); } db ??= drizzle(postgres(env.databaseUrl), { schema }); return db; }