# Build stage - Python FastAPI application
FROM python:3.12-slim AS build-stage

WORKDIR /app

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

# Production stage
FROM python:3.12-slim AS production-stage

WORKDIR /app

# Copy installed packages from build stage
COPY --from=build-stage /usr/local/lib/python3.12/site-packages /usr/local/lib/python3.12/site-packages
COPY --from=build-stage /usr/local/bin /usr/local/bin

# Copy application code
COPY app ./app

EXPOSE 8002

CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8002"]