Created Frontend and backend server and using claude to deploy db.ts and env.ts

server/src/config/env.ts

@@ -0,0 +1,21 @@
+import dotenv from "dotenv"
+
+dotenv.config();
+
+
+// This function validates that required env vars exist at startup
+// Your app crashes immediately with a clear message — not silently later
+const getEnvVar = (key: string): string => {
+    const value = process.env[key];
+    if (!value) {
+        throw new Error(`Missing required Environment Variable: ${key}`)
+    }
+    return value;
+}
+
+export const ENV = {
+  PORT: process.env.PORT || '5000',
+  MONGO_URI: getEnvVar('MONGO_URI'),
+  JWT_SECRET: getEnvVar('JWT_SECRET'),
+  NODE_ENV: process.env.NODE_ENV || 'development',
+}