# Use Python 3.12 as the base image
FROM python:3.12-slim

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

# Create a non-root user
RUN useradd -m -u 1000 user
WORKDIR /app

# Install Python dependencies
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir \
        torch \
        torchvision \
        git+https://github.com/huggingface/transformers \
        accelerate \
        qwen-vl-utils[decord]==0.0.8 \
        fastapi \
        uvicorn[standard] \
        python-multipart \
        autoawq \
        pillow \
        pydantic

# Copy application files
COPY --chown=user:user . /app

# Create cache directories and set permissions
RUN mkdir -p /home/user/.cache/huggingface && \
    mkdir -p /temp && \
    chown -R user:user /home/user/.cache && \
    chown -R user:user /temp

# Switch to non-root user
USER user

# Set environment variables
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    TRANSFORMERS_CACHE=/home/user/.cache/huggingface \
    TORCH_HOME=/home/user/.cache/torch

# Expose the port
EXPOSE 7860

# Command to run the application
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]