add DEV_MODE support to metadata generation and robots handling; update .gitignore and docker-compose for environment variables

next.config.js

@@ -10,6 +10,14 @@ const nextConfig = {
   images: {
     domains: ["back-dev.clinic-pro.ir"],
   },
+  env: {
+    // Make DEV_MODE available to the application
+    DEV_MODE: process.env.DEV_MODE,
+  },
+  // Additional configuration for better Docker support
+  trailingSlash: false,
+  compress: true,
+  poweredByHeader: false,
 };
 
 module.exports = nextConfig;