Enhancement: Ubuntu LTS Stability Option

[ruaan-deysel]

Enhancement Category: Platform Compatibility (High Impact)

Current State

HashiQube uses cutting-edge Ubuntu version (noble) which may have compatibility issues with some components.

Enhancement Opportunity

Provide LTS version option for maximum compatibility and more predictable behavior across different environments.

Benefits

• Developer Benefit: More predictable behavior across different environments
• Learning Value: Understanding of stability vs. innovation trade-offs
• Impact: High - Improves reliability and reduces compatibility issues

Implementation Approach

• Configurable base image selection with LTS as default
• Support for multiple Ubuntu versions
• Version-specific testing and validation
• Documentation on version selection trade-offs

Acceptance Criteria

• [ ] Configurable Ubuntu version selection (LTS vs latest)
• [ ] Ubuntu 22.04 LTS as default option
• [ ] Support for Ubuntu 20.04 LTS for maximum compatibility
• [ ] Version-specific documentation and known issues
• [ ] Automated testing across supported Ubuntu versions
• [ ] Clear guidance on when to use LTS vs latest
• [ ] Migration guide between versions

Related Issues

This addresses issue #100 (Using Very Recent Ubuntu Version)