# Dockerfile for a Hugging Face Space API (FastAPI)
FROM python:3.11-slim

ENV PIP_NO_CACHE_DIR=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

# ---- System deps ----
RUN apt-get update && apt-get install -y --no-install-recommends \
    git \
    && rm -rf /var/lib/apt/lists/*

# ---- Writable caches (fixes /.cache permission errors) ----
# Make HOME=/data so default "~/.cache" resolves under /data
ENV HOME=/data \
    XDG_CACHE_HOME=/data/.cache \
    HF_HOME=/data/hf \
    HF_HUB_CACHE=/data/hf/hub \
    HUGGINGFACE_HUB_CACHE=/data/hf/hub \
    TRANSFORMERS_CACHE=/data/transformers_cache

RUN mkdir -p /data/.cache /data/hf/hub /data/transformers_cache /app && \
    chmod -R 777 /data

# ---- Python deps ----
WORKDIR /app
COPY requirements.txt /app/requirements.txt
RUN pip install -r /app/requirements.txt

# ---- App ----
COPY main.py /app/main.py

EXPOSE 7860
ENV PORT=7860
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]