Appendix
#ArchitectureCrashCourse
89 articles
Appendix
Best-Practice Catalog — When in Doubt, Lean on These
Appendix
Anti-Pattern Catalog — Reverse Lookup Before You're Stuck
Case Studies
AI-Product Startup - Inference Cost and Data Setup Are Everything
Case Studies
Large-Enterprise Core - Design Holding Up Organizationally Over New Tech
Case Studies
Mobile-App Dedicated - Store Reviews and 2-OS Sync Practice
Case Studies
Public / Local-Government Systems - Government Cloud and Long-Term Operations
Case Studies
Small-Mid SaaS - Lean on Managed and Run with Few People
Case Studies
Personal / Startup - Composition Shippable in 1 Month Is Correct
Case Studies
Case Studies — Same Question, Different Answer by Scale and Phase
Solution Architecture
PoC Design - PoCs Ending With 'Sort of Worked' Are All Failures
Solution Architecture
Estimation and ROI - Pinpoint Estimates Are Mostly Lies
Solution Architecture
Non-Functional Requirements - 'Don't Stop' Has No Price Tag
Solution Architecture
Bridging Requirements to Design - Desk-Heard Requirements Are the Tip of the Iceberg
Solution Architecture
Solution Architecture Overview — Don't Hit With Tech, Hit With Numbers
![[Data Architecture] Data Store Selection - RDB-Centric + Use-Case-Specific](/uploads/2026/04/arch-intro-cat-data.png)
Data Architecture
[Data Architecture] Data Store Selection - RDB-Centric + Use-Case-Specific
Data Architecture
[Data Architecture] ETL/ELT - Fivetran + dbt + DWH Is the Modern Standard
Data Architecture
[Data Architecture] Data Governance - A Foundation Curated as a Dictionary for AI
Data Architecture
[Data Architecture] Data Modeling - Schemas Readable by Both AI and Humans
Data Architecture
Data Architecture Overview — The Foundation for AI in Your Org
Data Architecture
[Data Architecture] Data Platform - Choosing Between DWH, Data Lake, and Lakehouse
Data Architecture
[Data Architecture] Streaming - Question Whether It's Truly Needed First
![[DevOps Architecture] CI/CD - GitHub Actions + OIDC + Feature Flag Is the Standard](/uploads/2026/04/arch-intro-cat-devops.png)
DevOps Architecture
[DevOps Architecture] CI/CD - GitHub Actions + OIDC + Feature Flag Is the Standard
DevOps Architecture
[DevOps Architecture] Deploy Strategy - Raise Frequency, Lower Risk
DevOps Architecture
[DevOps Architecture] Dev Environment and Local Execution - Half a Day to First Commit
DevOps Architecture
[DevOps Architecture] Documentation - Lean README + ADR + OpenAPI Toward Git
DevOps Architecture
[DevOps Architecture] Incident Response - Resolve via Mechanism, Not Heroes
DevOps Architecture
[DevOps Architecture] Log Design - Structured JSON + No PII + Phased Cold-Tiering
DevOps Architecture
[DevOps Architecture] Monitoring and Observability - Three Pillars + OpenTelemetry + SLO Alerts
DevOps Architecture
DevOps Architecture Overview — One Pipeline for Build, Ship, and Run
DevOps Architecture
[DevOps Architecture] Code Review - PR 300 Lines + 1 Approver + CODEOWNERS
DevOps Architecture
[DevOps Architecture] SLO and SLI - Don't Pursue 100%, Buy Speed With Error Budget
DevOps Architecture
[DevOps Architecture] DevOps and SRE Overview - Speed and Stability Coexist
DevOps Architecture
[DevOps Architecture] SRE Practices - Toil Reduction and Chaos Drills
DevOps Architecture
[DevOps Architecture] Test Design - Pyramid + Testcontainers + Branch Coverage
DevOps Architecture
[DevOps Architecture] Ticket and Project Management - Epic/Story/Task + 1-Day Granularity
DevOps Architecture
[DevOps Architecture] Version Control - Git + Monorepo + GitHub Flow Is the Standard
Enterprise Architecture
Application Architecture - Mapping Company-Wide Systems
Enterprise Architecture
Business Architecture - Making Business Connectable to Technology
Enterprise Architecture
Data Architecture - Designing Company-Wide Data as Strategic Asset
Enterprise Architecture
EA Frameworks - Tailor TOGAF + ArchiMate to Use
Enterprise Architecture
Enterprise Architecture Overview — Drawing the Corporate Map with the 4-Layer Model
Enterprise Architecture
Technology Architecture - The Constitution of Enterprise Tech Choice
![[Frontend Architecture] Auth - F12-Premised Browser Security Architecture](/uploads/2026/04/arch-intro-cat-frontend.png)
Frontend Architecture
[Frontend Architecture] Auth - F12-Premised Browser Security Architecture
Frontend Architecture
[Frontend Architecture] BFF Design - Keeping Backend For Frontend Thin
Frontend Architecture
[Frontend Architecture] CSS Design - Tailwind/CSS Modules/Design Token
Frontend Architecture
[Frontend Architecture] Frameworks in Detail - React/Vue/Svelte/Next.js/Astro
Frontend Architecture
Choosing Hosting — CDN / Edge / Static First
Frontend Architecture
Frontend Architecture Overview — The Only Layer Users Touch
Frontend Architecture
Choosing a Rendering Method — CSR / SSR / SSG / ISR
Frontend Architecture
[Frontend Architecture] SEO Design - Integrated Operation of Rendering, Meta, and Structured Data
Frontend Architecture
[Frontend Architecture] State Management - useState/Zustand/TanStack Query
![[Security Architecture] Authentication Design - IDaaS + Passkey + Short-Lived Tokens](/uploads/2026/04/arch-intro-cat-security.png)
Security Architecture
[Security Architecture] Authentication Design - IDaaS + Passkey + Short-Lived Tokens
Security Architecture
[Security Architecture] Encryption - Key Management Decides Encryption Strength
Security Architecture
[Security Architecture] Authorization and IAM - Sticking to Least Privilege
Security Architecture
[Security Architecture] Network Security - From Perimeter to Zero Trust
Security Architecture
Security Architecture Overview — Defense in Depth and Zero Trust
Security Architecture
[Security Architecture] Secret Management - Going Secret-less Is the Best Defense
Security Architecture
[Security Architecture] Vulnerability Assessment - Building It Into CI for Daily Inspection
Security Architecture
[Security Architecture] Zero Trust - Trust Nothing, Always Verify
Application Architecture
Class Design Basics — SOLID Principles and Inheritance vs Composition
Application Architecture
Domain Logic — Transaction Script vs DDD
Application Architecture
Error Handling — Systems That Recover After Falling
Application Architecture
Naming and Code Conventions — End Debates with Automation
Application Architecture
Application Architecture Overview — The Internal Rules
Software Architecture
API Design Basics — REST / GraphQL / gRPC / WebSocket
Software Architecture
Authentication & Session Design — Server Session vs JWT
Software Architecture
Choosing a Framework — Spring / Next.js / FastAPI / Rails
Software Architecture
Choosing a Programming Language — TS / Python / Java / Go / Rust
Software Architecture
Choosing Module Design — Layered / Hexagonal / Clean
Software Architecture
Software Architecture Overview — Navigating a Domain Full of Camps
Software Architecture
Choosing Overall Structure — Monolith / Microservices / Modular Monolith
Software Architecture
Transaction Design — ACID / Eventual Consistency / Saga / Outbox
System Architecture
Choosing Application Form — Web / Native / Hybrid
System Architecture
BCP / DR Design Rules — RPO, RTO, and the 3-2-1 Backup Rule
System Architecture
Choosing a Cloud Vendor — AWS / Azure / GCP
System Architecture
Cloud Cost Management (FinOps) — Defend with Design, Polish in Operations
System Architecture
Datastore Placement Strategy — Combining RDBMS / NoSQL / Cache / Search
System Architecture
Choosing a Deployment Model — On-Prem / Cloud / Hybrid
System Architecture
Monitoring & Ops Overall Design — The 3 Pillars of Observability and the 4 Golden Signals
System Architecture
Network Design Basics — VPC / Subnets / CIDR
System Architecture
OS Selection — Linux / Windows / UNIX and ARM
System Architecture
System Architecture Overview — The Skeleton You Decide First
System Architecture
Choosing a Runtime — VM / Container / Serverless / Wasm
System Architecture
Security Foundation Map — Defense in Depth and Least Privilege
Series Guide
Architecture Glossary (Alphabetical)
Overview
What an IT Architect Actually Does — A Role Whose Value Is Rising in the AI Era
Overview
Learning Roadmap — Where to Start, by Role
Overview