# ============================================================
# ✅ Clean Dockerfile for Hugging Face (FastAPI + MONAI + PyVista)
# ============================================================

FROM python:3.9-slim

# Create non-root user
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"
WORKDIR /app

# Copy requirements
COPY --chown=user ./requirements.txt /app/requirements.txt

# Switch to root for system-level dependencies
USER root
RUN apt-get update && apt-get install -y --no-install-recommends \
    xvfb \
    libgl1 \
    libosmesa6 \
    libegl1-mesa-dev \
    libxkbcommon-x11-0 \
    libglib2.0-0 \
    ffmpeg \
    && rm -rf /var/lib/apt/lists/*

USER user

# Install Python dependencies
RUN pip install --no-cache-dir --upgrade pip \
    && pip install --no-cache-dir -r /app/requirements.txt

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

# Expose port
EXPOSE 7860

# Start FastAPI
CMD ["uvicorn", "app_fullbody_pretrained:api", "--host", "0.0.0.0", "--port", "7860"]