Add frontend

frontend/Dockerfile

@@ -0,0 +1,33 @@
+# Stage 1: Build Angular app
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies
+RUN npm ci
+
+# Copy source code
+COPY . .
+
+# Build Angular app for production
+RUN npm run build:prod
+
+# Stage 2: Serve with nginx
+FROM nginx:alpine
+
+# Copy custom nginx config
+COPY nginx.conf /etc/nginx/nginx.conf.template
+
+# Copy built Angular app
+COPY --from=builder /app/dist/cf-deployer-ui/browser /usr/share/nginx/html
+
+# Set default backend URL
+ENV BACKEND_URL=http://localhost:8080
+
+# Replace env variables and start nginx
+CMD envsubst '${BACKEND_URL}' < /etc/nginx/nginx.conf.template > /etc/nginx/nginx.conf && nginx -g 'daemon off;'
+
+EXPOSE 80