Update Dockerfile

backend/Dockerfile

@@ -1,19 +1,24 @@
-# Usa l'immagine completa di Node 20 per garantire compatibilità con tutte le librerie
-FROM node:20
+# Build Stage
+FROM node:20-alpine AS build
+
+# Install dependencies for native modules if needed
+RUN apk add --no-cache python3 make g++
 
 WORKDIR /app
 
 COPY package.json ./
 
-# Pulisce cache e installa con flag di compatibilità
-RUN npm cache clean --force && \
-    npm install --no-package-lock --legacy-peer-deps --no-audit --no-fund
+# Install dependencies without lockfile to avoid conflicts
+RUN npm install
 
 COPY . .
 
-# Assicura che la cartella uploads esista
-RUN mkdir -p uploads
+# Build the app
+RUN npm run build
 
-EXPOSE 3000
-
-CMD ["npm", "start"]
+# Production Stage
+FROM nginx:alpine
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=build /app/dist /usr/share/nginx/html
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]