FROM nvidia/cuda:11.6.2-base-ubuntu20.04

ENV DEBIAN_FRONTEND=noninteractive
WORKDIR /code

# Install Python and dependencies
RUN apt-get update && \
    apt-get install -y python3 python3-pip git && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

# Create cache directories with proper permissions
RUN mkdir -p /tmp/transformers_cache && \
    mkdir -p /tmp/hf_home && \
    mkdir -p /tmp/hf_datasets_cache && \
    mkdir -p /tmp/diffusers_cache && \
    chmod -R 777 /tmp

# Set environment variables for HF
ENV HF_HOME=/tmp/hf_home
ENV TRANSFORMERS_CACHE=/tmp/transformers_cache
ENV HF_DATASETS_CACHE=/tmp/hf_datasets_cache

# Copy requirements and install
COPY requirements.txt .
RUN pip3 install --no-cache-dir -r requirements.txt

# Copy app files
COPY app.py .

# Expose port
EXPOSE 7860

# Run the application with proper host to expose externally
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]