# ============================================
# Virtual Foreman — Backend Dockerfile
# Target: Hugging Face Spaces (Docker SDK)
# Port: 7860
# ============================================

FROM python:3.11-slim

# System deps for python-docx-template (requires zip/unzip)
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Set working directory (HF Spaces expects /code or /app; we use /code as recommended)
WORKDIR /code

# Install Python deps first (cache layer)
COPY requirements.txt .
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements.txt

# Copy application source
COPY ./app ./app
COPY ./templates ./templates

# Expose HF Spaces default port
EXPOSE 7860

# Health check (optional, HF may ignore)
HEALTHCHECK --interval=30s --timeout=10s --start-period=20s \
    CMD curl -f http://localhost:7860/health || exit 1

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