Fix API authentication and identity service updates

src/index.ts

@@ -2,6 +2,7 @@ import express from 'express';
 import cors from 'cors';
 import helmet from 'helmet';
 import { errorHandler } from './middleware/error';
+import { requireApiKey } from './middleware/auth';
 
 // Import routers
 import identityRouter from './modules/identity/router';
@@ -39,6 +40,9 @@ app.use((req, res, next) => {
   next();
 });
 
+// Global API Key Check
+app.use(requireApiKey);
+
 // API Routes
 app.use('/v1/auth', identityRouter);
 app.use('/v1', catalogueRouter);
@@ -61,3 +65,4 @@ app.use(errorHandler);
 app.listen(PORT, () => {
   console.log(`Pharmacy Core API listening on port ${PORT}`);
 });
+