FROM python:3.10-slim-bullseye

# set working directory
WORKDIR /app

# copy requirements and install dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# copy all app files
COPY . .

# --- create a writable cache directory ---
RUN mkdir -p /app/cache/huggingface && chmod -R 777 /app/cache

# --- set all relevant cache environment variables ---
ENV HF_HOME=/app/cache/huggingface
ENV TRANSFORMERS_CACHE=/app/cache/huggingface
ENV SENTENCE_TRANSFORMERS_HOME=/app/cache/huggingface
ENV HF_DATASETS_CACHE=/app/cache/huggingface

EXPOSE 7860

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