Dockerfile

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

# --- Stage 2: Final Backend Image ---
FROM python:3.10-slim
WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

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

# Copy backend code
COPY backend/ .

# Copy built frontend from Stage 1 to a location outside /app to survive volume mounts
COPY --from=frontend-builder /web/dist /frontend_dist

# Expose API port
EXPOSE 8000

# Run uvicorn
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]