# Use an official Python runtime as a parent image
FROM python:3.10-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV HF_HOME=/home/user/.cache/huggingface
ENV YOLO_CONFIG_DIR=/home/user/.cache/ultralytics

# Install system dependencies
RUN apt-get update && apt-get install -y \
    libgl1 \
    libglib2.0-0 \
    wget \
    fonts-noto-cjk \
    fonts-dejavu-core \
    && rm -rf /var/lib/apt/lists/*

# Create a non-root user and writable model/cache directories
RUN useradd -m -u 1000 user \
    && mkdir -p /home/user/.cache/huggingface /home/user/.cache/ultralytics \
    && chown -R user:user /home/user/.cache
USER user
ENV PATH="/home/user/.local/bin:${PATH}"

# Set the working directory
WORKDIR /home/user/app

# Copy requirements and install dependencies
COPY --chown=user requirements.txt .
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Copy the rest of the application code
COPY --chown=user . .

# Pre-download the manga-ocr model
RUN python -m app.warmup

# Expose the port Hugging Face expects
EXPOSE 7860

# Run the application
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]