FROM python:3.9-slim

# Set Hugging Face cache to a writable directory
ENV TRANSFORMERS_CACHE=/tmp/hf
ENV HF_HOME=/tmp/hf

# Install build essentials and clean up
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install Python dependencies
COPY requirements.txt requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

# Copy application files
COPY main.py main.py
COPY app.py app.py

CMD ["python", "main.py"]