# Use a lightweight Python image
FROM python:3.10-slim

# Set working directory
WORKDIR /code

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements and install
COPY ./requirements.txt /code/requirements.txt
RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt

# Create a non-root user (Hugging Face requirement)
RUN useradd -m -u 1000 user
USER user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

# Copy the rest of the app
WORKDIR $HOME/app
COPY --chown=user . $HOME/app

# Ensure the transformers cache is in a writable directory
ENV HF_HOME=/home/user/app/.cache
RUN mkdir -p /home/user/app/.cache && chmod 777 /home/user/app/.cache

# Expose port 7860 (Hugging Face default)
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]