FROM pytorch/pytorch:2.5.1-cuda12.4-cudnn9-devel

USER root
RUN apt-get update && apt-get install -y git && rm -rf /var/lib/apt/lists/*

RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

WORKDIR /app

# Upgrade pip and install unsloth properly
RUN pip install --no-cache-dir --upgrade pip
RUN pip install "unsloth[colab-new] @ git+https://github.com/unslothai/unsloth.git"

COPY --chown=user ./requirements.txt requirements.txt
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Copy all the code
COPY --chown=user . /app

# Ensure correct permissions for checkpoint saving
USER root
RUN chown -R user:user /app
USER user

# Hugging Face spaces expect the app to run on 7860
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]