🔉

apps/api/src/lib/exit-hooks.ts

@@ -0,0 +1,40 @@
+import { promisify } from 'node:util'
+
+import type { ServerType } from '@hono/node-server'
+import { asyncExitHook } from 'exit-hook'
+import restoreCursor from 'restore-cursor'
+
+import { db } from '@/db'
+
+export function initExitHooks({
+  server,
+  timeoutMs = 10_000
+}: {
+  server: ServerType
+  timeoutMs?: number
+}) {
+  // Gracefully restore the cursor if run from a TTY
+  restoreCursor()
+
+  // Gracefully shutdown the HTTP server
+  asyncExitHook(
+    async function shutdownServerExitHook() {
+      await promisify(server.close)()
+    },
+    {
+      wait: timeoutMs
+    }
+  )
+
+  // Gracefully shutdown the postgres database connection
+  asyncExitHook(
+    async function shutdownDbExitHook() {
+      await db.$client.end({
+        timeout: timeoutMs
+      })
+    },
+    {
+      wait: timeoutMs
+    }
+  )
+}

apps/api/src/server.ts

@@ -1,17 +1,13 @@
-import { promisify } from 'node:util'
-
 import { serve } from '@hono/node-server'
-import { asyncExitHook } from 'exit-hook'
 import { Hono } from 'hono'
 import { compress } from 'hono/compress'
 import { cors } from 'hono/cors'
-import restoreCursor from 'restore-cursor'
 
 import { apiV1 } from '@/api-v1'
 import { env } from '@/lib/env'
 import * as middleware from '@/lib/middleware'
 
-restoreCursor()
+import { initExitHooks } from './lib/exit-hooks'
 
 export const app = new Hono()
 
@@ -27,11 +23,4 @@ const server = serve({
   port: env.PORT
 })
 
-asyncExitHook(
+initExitHooks({ server })
-  async () => {
-    await promisify(server.close)()
-  },
-  {
-    wait: 10_000
-  }
-)