Sostituito frontend-angular-new con frontend-angular

frontend-angular/Dockerfile

@@ -1,20 +1,36 @@
-# Frontend Angular Dockerfile
-FROM node:20-alpine
+# ========================================
+# Frontend Angular Dockerfile (multi-stage)
+# ========================================
 
-# Set working directory
+FROM node:20-alpine AS base
 WORKDIR /app
-
-# Copy package files
 COPY package*.json ./
 
-# Install dependencies
+# ========================================
+# Development: ng serve con hot reload
+# ========================================
+FROM base AS development
 RUN npm install
-
-# Copy application code
 COPY . .
-
-# Expose port
 EXPOSE 4200
-
-# Start development server
 CMD ["npm", "run", "dev", "--", "--host", "0.0.0.0"]
+
+# ========================================
+# Build: bundle statico di produzione
+# ========================================
+FROM base AS build
+RUN npm install
+COPY . .
+RUN npm run build
+# Nota: la build SSR (server.ts/main.server.ts) non è al momento agganciata
+# ad angular.json ("server" builder option assente), quindi ng build produce
+# solo il bundle browser in dist/app/browser/. Se in futuro si abilita la SSR,
+# questo stage andrà aggiornato per servire dist/app/server con Node invece di nginx.
+
+# ========================================
+# Production: bundle statico servito da nginx
+# ========================================
+FROM nginx:1.27-alpine AS production
+COPY --from=build /app/dist/app/browser /usr/share/nginx/html
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+EXPOSE 80