Dockerfile

# Production stage - Python + pre-built frontend
FROM python:3.11-slim

WORKDIR /app

# Install gcc for any compiled dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    && rm -rf /var/lib/apt/lists/*

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

# Copy backend code
COPY backend/ ./backend/

# Copy pre-built frontend
COPY dist/ ./dist/

# Set environment
ENV PYTHONUNBUFFERED=1
ENV PORT=7860

# Expose port
EXPOSE 7860

# Start the Flask app
CMD ["python", "backend/app.py"]