# Use a lightweight Nginx image to serve the React app
FROM nginx:alpine

# Set working directory to nginx's default static file directory
WORKDIR /usr/share/nginx/html

# Remove default Nginx static assets
RUN rm -rf ./*

# Copy the built React app from the builder stage
# The React app is built using `npm run build` which creates a `dist` directory
COPY ./dist .

# Expose port 80
EXPOSE 80

# Command to start Nginx (default command of the base image)
CMD ["nginx", "-g", "daemon off;"]