FROM python:3.10-slim AS builder

WORKDIR /app

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

RUN apt-get update && apt-get install -y \
    gcc \
    python3-dev \
    curl \
    git \
    && rm -rf /var/lib/apt/lists/*

RUN pip install --no-cache-dir uv

COPY requirements.txt .

ENV UV_HTTP_TIMEOUT=300
RUN uv venv .venv && \
    uv pip install --no-cache -r requirements.txt --extra-index-url https://download.pytorch.org/whl/cpu

FROM python:3.10-slim

WORKDIR /app

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV PATH="/app/.venv/bin:$PATH"
ENV LANG=C.UTF-8
ENV LC_ALL=C.UTF-8

RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*

COPY --from=builder /app/.venv /app/.venv

COPY scripts/ ./scripts/

ENV HF_HOME=/app/data/model_cache

RUN /app/.venv/bin/python scripts/download_model.py

RUN mkdir -p data/catalog data/index
RUN /app/.venv/bin/python scripts/download_artifacts.py

COPY src/ ./src/

# RUN addgroup --system app && adduser --system --group app && \
#     chown -R app:app /app

# USER app

EXPOSE 7860

CMD ["/app/.venv/bin/uvicorn", "src.personalization.api.main:app", "--host", "0.0.0.0", "--port", "7860"]