FROM python:3.11-slim

# Metadata
LABEL maintainer="devops-incident-env"
LABEL description="DevOps Incident Response — OpenEnv"
LABEL version="1.0.0"

WORKDIR /app

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

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

# Copy source
COPY . .

# Non-root user for security
RUN useradd -m -u 1000 appuser && chown -R appuser:appuser /app
USER appuser

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:7860/health || exit 1

EXPOSE 7860

CMD ["uvicorn", "server.app:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]