# ============================================
# BatchMind OS — Full Stack Docker Image for Hugging Face Spaces
# Backend (FastAPI) + Frontend (React/Vite)
# ============================================

FROM python:3.11-slim

# Prepare for Hugging Face Spaces (requires user 1000)
RUN useradd -m -u 1000 user
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH \
    PYTHONUNBUFFERED=1 \
    PYTHONPATH=/home/user/app

WORKDIR $HOME/app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc g++ curl && \
    rm -rf /var/lib/apt/lists/*

# Install Node.js for frontend build
RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \
    apt-get install -y nodejs && \
    rm -rf /var/lib/apt/lists/*

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

# Switch to user for installs
USER user

# Install Python dependencies (CPU-only torch to save space)
RUN pip install --no-cache-dir --extra-index-url https://download.pytorch.org/whl/cpu \
    torch --no-cache-dir && \
    pip install --no-cache-dir -r requirements.txt && \
    pip install --no-cache-dir requests

# Copy entire project
COPY --chown=user . $HOME/app/

# Build frontend
WORKDIR $HOME/app/batchmind_os/frontend
RUN npm install && npm run build

# Back to root
WORKDIR $HOME/app

# Expose Hugging Face Port
EXPOSE 7860

# Start script
RUN chmod +x $HOME/app/start.sh

# Run the app
CMD ["/home/user/app/start.sh"]