初始化模版工程

db/index.ts

@@ -0,0 +1,19 @@
+import 'server-only'
+import { drizzle } from 'drizzle-orm/postgres-js'
+import postgres from 'postgres'
+
+declare global {
+  var postgresClient: ReturnType<typeof postgres> | undefined
+}
+
+if (!process.env.DATABASE_URL) {
+  throw new Error('DATABASE_URL is not set')
+}
+
+if (!globalThis.postgresClient) {
+  globalThis.postgresClient = postgres(process.env.DATABASE_URL, {
+    prepare: false,
+  })
+}
+
+export const db = drizzle(globalThis.postgresClient)