# Stage 1: Build frontend
FROM node:20-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: Backend runtime
FROM python:3.12-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 into static directory
COPY --from=frontend-build /app/frontend/dist ./static

EXPOSE 8000

# Run migrations then start server
CMD ["sh", "-c", "alembic upgrade head && uvicorn app.main:app --host 0.0.0.0 --port 8000"]