Dockerfile

# Root-level Dockerfile

# Stage 1: Build React frontend
FROM node:18-alpine AS frontend-build

WORKDIR /app/frontend

COPY frontend/package.json frontend/package-lock.json ./
RUN npm install

COPY frontend/ ./
RUN npm run build


# Stage 2: Build Python backend + serve frontend with Nginx
FROM python:3.9-slim

WORKDIR /app

# Install Python dependencies
COPY backend/requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy backend code
COPY backend/ /app/backend

# Copy built frontend from previous stage
COPY --from=frontend-build /app/frontend/build /app/frontend_build

# Install nginx
RUN apt-get update && apt-get install -y nginx && rm -rf /var/lib/apt/lists/*

# Copy nginx config
COPY frontend/nginx.conf /etc/nginx/conf.d/default.conf

# Link built frontend to nginx root
RUN rm -rf /usr/share/nginx/html && \
    ln -s /app/frontend_build /usr/share/nginx/html

# Copy script to run both frontend and backend
COPY start.sh /start.sh
RUN chmod +x /start.sh

# Expose Hugging Face compatible port
EXPOSE 7860

CMD ["/start.sh"]