Add staging-ref environment debugging documentation

Overview

This MR adds comprehensive documentation for the staging-ref (gstg-ref) environment, which is a critical staging environment used for testing and validation before production deployments.

Documentation Added

New File: runbooks/staging-ref-environment.md

This documentation includes:

• Environment Overview: Description of the staging-ref environment and its purpose

• Key References: Links to:

  • Infrastructure Platforms - Staging-Ref Environment
  • GitLab Environment Toolkit Configs - Staging-Ref
  • Staging-Ref Configuration Documentation
  • GitLab Environment Toolkit (GET) Documentation

• Deployment Method: Information about using GitLab Environment Toolkit (GET) for deployments

• Configuration Management: Details about the staging-ref configuration repository

• Debugging Guide: Step-by-step guidance for debugging issues in the environment

• Related Documentation: Links to other relevant runbooks and guides

Key Points

• The staging-ref environment uses GET (GitLab Environment Toolkit) for deployments
• Configuration is maintained in the gitlab-environment-toolkit-configs/staging-ref repository
• Comprehensive documentation is available in the referenced handbook and toolkit repositories
• This guide serves as a central reference point for debugging and maintaining the environment

Tags

This documentation is tagged with auto-deploy for inclusion in the Claude Auto-Deploy Chat knowledge base.

Related Issues

This documentation helps teams quickly find the right resources when debugging the staging-ref environment.