FROM python:3.11-slim

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV PORT=7860

WORKDIR /app

RUN apt-get update \
  && apt-get install -y --no-install-recommends libgomp1 \
  && rm -rf /var/lib/apt/lists/*

COPY backend/requirements.txt /app/backend/requirements.txt

RUN pip install --no-cache-dir --upgrade pip \
  && pip install --no-cache-dir torch torchvision --index-url https://download.pytorch.org/whl/cpu \
  && pip install --no-cache-dir -r /app/backend/requirements.txt

COPY backend /app/backend
COPY ML /app/ML

CMD ["sh", "-c", "uvicorn backend.app:app --host 0.0.0.0 --port ${PORT}"]