# -------------------------------------------------------------
# Build Stage
# -------------------------------------------------------------
FROM python:3.10-slim AS build

ENV PYTHONUNBUFFERED=1

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

WORKDIR /app

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

# -------------------------------------------------------------
# Final Runtime Stage
# -------------------------------------------------------------
FROM python:3.10-slim

ENV PYTHONUNBUFFERED=1
ENV PORT=7860

WORKDIR /app

COPY --from=build /usr/local /usr/local
COPY app.py .
COPY requirements.txt .

EXPOSE 7860

CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]