creates application

backend/src/config/index.ts

@@ -0,0 +1,47 @@
+import dotenv from 'dotenv';
+import path from 'path';
+
+dotenv.config({ path: path.resolve(__dirname, '../../.env') });
+
+export const config = {
+  port: parseInt(process.env.PORT || '3001', 10),
+  nodeEnv: process.env.NODE_ENV || 'development',
+  
+  database: {
+    url: process.env.DATABASE_URL || '',
+  },
+  
+  oidc: {
+    issuerUrl: process.env.OIDC_ISSUER_URL || '',
+    clientId: process.env.OIDC_CLIENT_ID || '',
+    redirectUri: process.env.OIDC_REDIRECT_URI || 'http://localhost:3001/auth/callback',
+  },
+  
+  session: {
+    secret: process.env.SESSION_SECRET || 'default-secret-change-in-production',
+    maxAge: 24 * 60 * 60 * 1000, // 24 hours
+  },
+  
+  cors: {
+    origin: process.env.FRONTEND_URL || 'http://localhost:5173',
+    credentials: true,
+  },
+};
+
+export function validateConfig(): void {
+  const required = [
+    'DATABASE_URL',
+    'OIDC_ISSUER_URL',
+    'OIDC_CLIENT_ID',
+  ];
+  
+  for (const key of required) {
+    if (!process.env[key]) {
+      throw new Error(`Missing required environment variable: ${key}`);
+    }
+  }
+  
+  if (config.session.secret.length < 32) {
+    console.warn('Warning: SESSION_SECRET should be at least 32 characters for security');
+  }
+}