FROM python:3.11-slim

ENV PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    PORT=7860 \
    DATA_DIR=/data \
    HF_HOME=/tmp/huggingface

WORKDIR /app

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

COPY requirements.txt /app/requirements.txt
RUN pip install -r /app/requirements.txt

# Application code (flat layout — Space root is /app)
COPY . /app

# Data dir for parquets pulled at boot from the HF Dataset repo.
RUN mkdir -p /data && chmod 777 /data

EXPOSE 7860

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