FROM rocker/r-ver:4.3.3

# lavaan 바이너리 설치 (rocker의 install2.r = RSPM 자동, 컴파일 없음, 빠름)
RUN install2.r --error lavaan

# Python 설치
RUN apt-get update && apt-get install -y --no-install-recommends \
    python3 python3-pip python3-dev \
    && rm -rf /var/lib/apt/lists/* \
    && ln -sf /usr/bin/python3 /usr/bin/python

RUN useradd -m -u 1000 user
WORKDIR /home/user/app

COPY --chown=user:user requirements.txt .
RUN pip3 install --no-cache-dir -r requirements.txt

COPY --chown=user:user . .

USER user
ENV HOME=/home/user PATH=/home/user/.local/bin:$PATH

CMD ["streamlit", "run", "sem.py", \
     "--server.port=7860", "--server.address=0.0.0.0"]