From 6cf917afbac707b4a21fab8d38d5a93478802729 Mon Sep 17 00:00:00 2001
From: Lars Hampe <hello@hashdot.co>
Date: Mon, 30 Sep 2024 20:56:56 +0200
Subject: [PATCH] feat(api): env vars check on startup

---
 apps/api/src/index.ts         |  2 ++
 apps/api/src/utils/startup.ts | 23 +++++++++++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 apps/api/src/utils/startup.ts

diff --git a/apps/api/src/index.ts b/apps/api/src/index.ts
index e50de21..45b7fb4 100644
--- a/apps/api/src/index.ts
+++ b/apps/api/src/index.ts
@@ -6,6 +6,7 @@ import { cors } from 'hono/cors'
 import user from './user'
 
 import { authentication } from './utils/authentication'
+import { startup } from './utils/startup'
 
 type User = z.infer<typeof UserOutput>
 
@@ -39,6 +40,7 @@ app.get(
   }),
 )
 
+startup()
 export default {
   port: 3000,
   fetch: app.fetch,
diff --git a/apps/api/src/utils/startup.ts b/apps/api/src/utils/startup.ts
new file mode 100644
index 0000000..509abed
--- /dev/null
+++ b/apps/api/src/utils/startup.ts
@@ -0,0 +1,23 @@
+declare module 'bun' {
+  interface Env {
+    POSTGRES_URL: string
+    CLERK_WEBHOOK_SECRET: string
+    CLERK_SECRET_KEY: string
+    CLERK_PUBLISHABLE_KEY: string
+  }
+}
+
+export const startup = () => {
+  const keys = [
+    'POSTGRES_URL',
+    'CLERK_WEBHOOK_SECRET',
+    'CLERK_SECRET_KEY',
+    'CLERK_PUBLISHABLE_KEY',
+  ]
+  keys.map((key) => {
+    if (!import.meta.env[key]) {
+      console.error(`Env Var ${key} is missing!`)
+      process.exit(0)
+    }
+  })
+}