Update .dockerignore

.dockerignore

@@ -0,0 +1,11 @@
+node_modules
+npm-debug.log
+.git
+.env
+dist
+build
+backend/node_modules
+backend/npm-debug.log
+backend/.env
+backend/uploads
+.DS_Store

Dockerfile

@@ -1,28 +1,24 @@
-# Build Stage
-FROM node:20-alpine as build
+# Build stage
+FROM node:20-alpine AS build
+
 WORKDIR /app
 
-# Copiamo solo il package.json inizialmente
 COPY package.json ./
 
-# PASSAGGIO CRUCIALE: Rimuoviamo eventuali lock file vecchi e forziamo installazione pulita
-RUN rm -rf package-lock.json node_modules
+# Install dependencies
 RUN npm install
 
-# Copiamo tutto il resto del codice sorgente
 COPY . .
 
-# Eseguiamo la build di Vite
+# Increase memory limit for the build process to 4GB
+ENV NODE_OPTIONS="--max-old-space-size=4096"
+
+# Build the application
 RUN npm run build
 
-# Production Stage con Nginx
+# Production stage
 FROM nginx:alpine
-
-# Copia la configurazione Nginx custom
 COPY nginx.conf /etc/nginx/conf.d/default.conf
-
-# Copia i file compilati dalla fase di build nella cartella di Nginx
 COPY --from=build /app/dist /usr/share/nginx/html
-
 EXPOSE 80
 CMD ["nginx", "-g", "daemon off;"]

backend/Dockerfile

@@ -2,17 +2,13 @@ FROM node:20-alpine
 
 WORKDIR /app
 
-# Copiamo il package.json
 COPY package.json ./
 
-# PASSAGGIO CRUCIALE: Pulizia e installazione fresca delle dipendenze
-RUN rm -rf package-lock.json node_modules
+# Install dependencies
 RUN npm install
 
-# Copiamo il codice sorgente del backend
 COPY . .
 
-# Creiamo la cartella uploads per evitare errori di permessi
 RUN mkdir -p uploads
 
 EXPOSE 3000

index.html

@@ -38,27 +38,26 @@
           scrollbar-width: none;
       }
     </style>
-    <!-- Importmap rimossa per permettere a Vite di gestire le dipendenze React/Markdown dal package.json -->
-<script type="importmap">
+  <script type="importmap">
 {
   "imports": {
-    "react-markdown": "https://esm.sh/react-markdown@^10.1.0",
-    "react-dom/": "https://esm.sh/react-dom@^19.2.4/",
-    "@vitejs/plugin-react": "https://esm.sh/@vitejs/plugin-react@^5.1.4",
-    "@google/genai": "https://esm.sh/@google/genai@^1.41.0",
-    "react/": "https://esm.sh/react@^19.2.4/",
     "react": "https://esm.sh/react@^19.2.4",
-    "path": "https://esm.sh/path@^0.12.7",
+    "react-dom/": "https://esm.sh/react-dom@^19.2.4/",
+    "react/": "https://esm.sh/react@^19.2.4/",
+    "@google/genai": "https://esm.sh/@google/genai@^1.41.0",
+    "react-markdown": "https://esm.sh/react-markdown@^10.1.0",
     "lucide-react": "https://esm.sh/lucide-react@^0.574.0",
-    "express": "https://esm.sh/express@^5.2.1",
-    "mysql2/": "https://esm.sh/mysql2@^3.17.2/",
-    "multer": "https://esm.sh/multer@^2.0.2",
-    "cors": "https://esm.sh/cors@^2.8.6",
-    "fs": "https://esm.sh/fs@^0.0.1-security",
-    "url": "https://esm.sh/url@^0.11.4",
     "vite": "https://esm.sh/vite@^7.3.1",
+    "@vitejs/plugin-react": "https://esm.sh/@vitejs/plugin-react@^5.1.4",
+    "mysql2/": "https://esm.sh/mysql2@^3.17.2/",
     "dotenv": "https://esm.sh/dotenv@^17.3.1",
-    "crypto": "https://esm.sh/crypto@^1.0.1"
+    "fs": "https://esm.sh/fs@^0.0.1-security",
+    "path": "https://esm.sh/path@^0.12.7",
+    "url": "https://esm.sh/url@^0.11.4",
+    "express": "https://esm.sh/express@^5.2.1",
+    "cors": "https://esm.sh/cors@^2.8.6",
+    "crypto": "https://esm.sh/crypto@^1.0.1",
+    "multer": "https://esm.sh/multer@^2.0.2"
   }
 }
 </script>

vite.config.ts

@@ -11,5 +11,32 @@ export default defineConfig({
         changeOrigin: true,
       }
     }
+  },
+  build: {
+    sourcemap: false,
+    chunkSizeWarningLimit: 1500,
+    // 'esnext' reduces CPU usage by avoiding heavy transpilation for older browsers
+    target: 'esnext',
+    rollupOptions: {
+      output: {
+        manualChunks: (id) => {
+          if (id.includes('node_modules')) {
+            if (id.includes('react-markdown') || id.includes('remark') || id.includes('rehype')) {
+              return 'markdown';
+            }
+            if (id.includes('lucide-react')) {
+              return 'icons';
+            }
+            if (id.includes('@google/genai')) {
+              return 'genai';
+            }
+            if (id.includes('react') || id.includes('react-dom')) {
+              return 'react-vendor';
+            }
+            return 'vendor';
+          }
+        }
+      }
+    }
   }
 });