Tutorials Software Architect Tutorial
ArchDesk Capstone Design
ArchDesk Capstone Design: free step-by-step lesson with examples, common mistakes, and interview tips — part of Software Architect Tutorial on Toolliyo Academy.
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Software Architect Tutorial · Lesson 100 of 100
ArchDesk Capstone Design
Foundations & Styles ✓ → Distributed & Data ✓ → Cloud & Quality ✓ → Leadership & Cases
Leadership & Cases · 4 — Lead · ~10 min · Case Studies
What is this?
Capstone: produce an HLD one-pager, 3 ADRs, a failure-mode table, and a phased roadmap (now / next / later) for ArchDesk.
Why should you care?
This is portfolio and interview evidence — decisions with reasons, not a logo collage.
See it live — copy this example
These are architecture exercises: fill templates, draw boxes, write ADRs. No cloud bill required.
# Deliverables
1) Context + containers diagram
2) ADR-001 style, ADR-002 data, ADR-003 messaging
3) Failure modes: dependency down -> user impact -> mitigation
4) Roadmap: modular monolith -> extract 1 serviceWhat happened?
- Four artifacts cover structure, decisions, resilience, and evolution.
- Follow the steps below — typing the code yourself is the fastest way to learn.
Practice next
- Draft all four artifacts.
- Peer-review with a friend for 15 minutes.
- Remove one unjustified technology.
- Add cost estimate per phase.
- Add one security control per trust boundary.
Remember
Capstone = defendable design pack. Phasing beats big-bang rewrites. Failure modes prove maturity.
Design review day
Stakeholders challenge your choices.
Outcome: You answer with ADRs and trade-offs.
Interview prep for this lesson
Practice these questions aloud after reading—each links to a full structured answer.
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