# Dockerfile.frontend # Step 1: Build React App FROM node:18-alpine AS build WORKDIR /app # Copy only package files and install dependencies COPY frontend/package*.json ./ RUN npm install # Copy all frontend source code COPY frontend/ ./ # Run React build RUN npm run build # Step 2: Serve with Nginx FROM nginx:alpine # Copy built files from step 1 COPY --from=build /app/build /usr/share/nginx/html EXPOSE 80 CMD ["nginx", "-g", "daemon off;"]