# Stage 1: Build React frontend
FROM node:20-alpine AS frontend
WORKDIR /app/frontend
COPY frontend/package.json frontend/package-lock.json ./
RUN npm ci
COPY frontend/ ./
RUN npm run build

# Stage 2: Python runtime
FROM python:3.12-slim
WORKDIR /app

COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

ENV PYTHONPATH=/app

COPY backend/ backend/
COPY alembic/ alembic/
COPY alembic.ini .

# Copy frontend build output
COPY --from=frontend /app/frontend/dist/ static/

EXPOSE 8000
CMD ["sh", "-c", "alembic upgrade head && uvicorn backend.main:app --host 0.0.0.0 --port 8000"]