# Hugging Face Spaces Docker – Sentinel Backend API
# HF Spaces requires the app to listen on port 7860.
#
# Required Secrets (set in Space Settings -> Repository secrets):
#   REDIS_URL                  – Upstash Redis URL (rediss://...)
#   HF_API_KEY                 – Hugging Face API token
#   GROQ_API_KEY               – Groq API key
#   CORS_ORIGINS               – Comma-separated allowed origins (your Vercel URL)
#   QDRANT_URL / QDRANT_API_KEY – Optional, for vector clustering signal
#   SENTRY_DSN                 – Optional error tracking

FROM python:3.12-slim

WORKDIR /app

# System dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential curl && \
    rm -rf /var/lib/apt/lists/*

# Python dependencies
COPY backend/requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Application code
COPY backend/ ./backend/

# Non-root user (HF Spaces security best practice)
RUN useradd -m appuser && chown -R appuser:appuser /app
USER appuser

# HF Spaces requires port 7860
EXPOSE 7860

HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
    CMD curl -f http://localhost:7860/health || exit 1

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