Switch to angular

Dockerfile.frontend

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+# Multi-stage build for Angular frontend
+FROM node:18-alpine as frontend-builder
+
+# Install dependencies for native modules
+RUN apk add --no-cache python3 make g++
+
+WORKDIR /frontend
+
+# Copy package files first for better layer caching
+COPY frontend/package*.json ./
+
+# Clean install dependencies with explicit platform targeting
+# This ensures esbuild and other native modules are built for Alpine Linux
+RUN npm ci --force
+
+# Copy frontend source (excluding node_modules via .dockerignore)
+COPY frontend/src ./src
+COPY frontend/public ./public
+COPY frontend/angular.json ./
+COPY frontend/tsconfig*.json ./
+
+# Build the Angular app for production
+RUN npm run build --verbose
+
+# Production image with nginx
+FROM nginx:alpine
+
+# Copy built Angular app
+COPY --from=frontend-builder /frontend/dist/frontend /usr/share/nginx/html
+
+# Copy nginx configuration
+COPY nginx.conf /etc/nginx/nginx.conf
+
+# Expose port 80
+EXPOSE 80
+
+# Start nginx
+CMD ["nginx", "-g", "daemon off;"]