Dockerfile

# ----------------------------------------
# 1. Build Phase: Build Frontend React
# ----------------------------------------
FROM node:20 AS frontend-builder
WORKDIR /frontend
COPY frontend/package*.json ./
RUN npm install
COPY frontend/ ./
RUN npm run build

# ----------------------------------------
# 2. Run Phase: Run FastAPI Python Server
# ----------------------------------------
FROM python:3.10-slim
WORKDIR /app

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

# Copy Backend code
COPY backend/ ./

# Copy built frontend assets to static folder in backend
COPY --from=frontend-builder /frontend/dist ./static

# Expose port for Hugging Face Spaces
EXPOSE 7860

# Run FastAPI app
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]