Chapter 20: Capstone and Living Documentation

Word target: 2,800
Primary deliverable: End-to-end validated reference implementation
Key diagrams: Final architecture and operations map

Learning Goals

  • Integrate all prior chapters into one coherent Ubuntu-first system.
  • Demonstrate operational readiness with evidence.
  • Create continuous documentation and release workflow for the book itself.

MVP Lab Worksheet

  • Objective: Build full reference MVP stack.
  • Starting state: Prior chapter artifacts complete.
  • Steps:
    1. Deploy canonical services using documented standards.
    2. Run security, backup, and observability validation.
    3. Record outcomes in final scorecard.
  • Evidence: Capstone validation dossier.
  • Exit criteria: MVP meets defined SLO-lite and recovery goals.
  • Rollback: Revert to previous stable snapshot bundle.

Advanced Lab Worksheet

  • Objective: Operational audit and v1.0 publication.
  • Starting state: MVP capstone validated.
  • Steps:
    1. Conduct full operational audit.
    2. Close critical gaps.
    3. Publish v1.0 handbook and next-cycle backlog.
  • Evidence: Audit report + release notes.
  • Exit criteria: Book and lab both release-ready.
  • Rollback: Publish release candidate with known issues list.
Final Author Checklist

Ensure each chapter has: prerequisites, command outputs, failure tests, rollback, and “what changed” reflection.