FROM python:3.10.9

# Set working directory early for clean pathing
WORKDIR /code

# Copy requirements and install them as root (good practice)
COPY ./requirements.txt /code/requirements.txt
RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt

# Hugging Face 캐시 디렉토리 설정 및 생성 (HF_HOME 고려)
ENV TRANSFORMERS_CACHE=/tmp/huggingface_cache
ENV HF_HOME=/tmp/huggingface_home
RUN mkdir -p /tmp/huggingface_cache /tmp/huggingface_home

# Matplotlib 캐시 디렉토리 설정 및 생성
ENV MPLCONFIGDIR=/tmp/matplotlib_cache
RUN mkdir -p /tmp/matplotlib_cache

# OpenGL 라이브러리 설치 (opencv-python 설치 전에)
RUN apt-get update && apt-get install -y libgl1

# 사용자 생성 (UID 1000은 일반적인 비-root 사용자 ID)
RUN adduser --uid 1000 user

# !!! IMPORTANT: Change ownership of cache directories as root BEFORE switching user !!!
RUN chown -R user:user /tmp/huggingface_cache /tmp/huggingface_home /tmp/matplotlib_cache

# Switch to the non-root user for subsequent commands and application runtime
USER user

# Copy application code after switching user if you want it owned by 'user'
# Or copy it before and then chown it. This approach is usually cleaner.
# $HOME will now resolve to /home/user inside the container
COPY --chown=user . /home/user/app
WORKDIR /home/user/app


CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]