FROM python:3.11-slim

# Install curl for health checks
RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*

# Create non-root user
RUN groupadd -r appuser && useradd -r -g appuser appuser

# Set working directory
WORKDIR /app

# Copy requirements first for better caching
COPY requirements.txt .

# Install dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Copy application
COPY webhook_app.py .

# Change ownership to non-root user
RUN chown -R appuser:appuser /app

# Switch to non-root user
USER appuser

# Expose port
EXPOSE 5000

# Health check with curl (now installed)
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
  CMD curl -f http://localhost:5000/health || exit 1

# Run with gunicorn for production
CMD ["gunicorn", "--bind", "0.0.0.0:5000", "--workers", "2", "--timeout", "30", "webhook_app:app"]