# Build stage
FROM node:18-alpine AS build
WORKDIR /app
COPY frontend/package.json .
RUN npm install
COPY frontend/ .
ARG REACT_APP_API_URL=http://localhost:8000
ENV REACT_APP_API_URL=$REACT_APP_API_URL
RUN npm run build

# Serve with nginx
FROM nginx:alpine
COPY --from=build /app/build /usr/share/nginx/html
EXPOSE 3000
CMD ["nginx", "-g", "daemon off;"]