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+# JWT Secret for authentication
+JWT_SECRET=your-secret-key-here
+
+# URLs
+ADMIN_URL=https://admin.photos.yourdomain.com
+FRONTEND_URL=https://photos.yourdomain.com
+
+# Database (for PostgreSQL in production)
+DB_USER=photoapp
+DB_PASSWORD=secure-password-here
+DB_NAME=photo_sharing
+
+# Email Configuration
+SMTP_HOST=smtp.gmail.com
+SMTP_PORT=587
+SMTP_SECURE=false
+SMTP_USER=your-email@gmail.com
+SMTP_PASS=your-app-password
+EMAIL_FROM=noreply@yourdomain.com
+
+# Umami Analytics
+UMAMI_URL=https://analytics.yourdomain.com
+UMAMI_WEBSITE_ID=your-website-id
+UMAMI_HASH_SALT=random-salt-here