IT Fundamentals
#ArchitectureCrashCourse
107 articles
IT Fundamentals
From Development to Operations — IT Fundamentals for Beginners
IT Fundamentals
Programs and APIs — IT Fundamentals for Absolute Beginners
IT Fundamentals
Security and Authentication — IT Fundamentals for Beginners
IT Fundamentals
Servers and the Cloud — IT Fundamentals for Absolute Beginners
IT Fundamentals
How a Web Service Works — IT Fundamentals for Absolute Beginners
Application Architecture
Application Architecture — Article Index
Appendix
Appendix — Article Index — Architecture Crash Course for the
Case Studies
Case Studies: Article Index | Architecture Crash Course
Data Architecture
Data Architecture — Article Index
DevOps Architecture
DevOps Architecture (DevOps / SRE) — Article Index
Enterprise Architecture
Enterprise Architecture — Article Index
Frontend Architecture
Frontend Architecture — Article Index
Security Architecture
Security Architecture — Article Index
Software Architecture
Software Architecture — Article Index
Solution Architecture
Solution Architecture — Article Index
System Architecture
System Architecture — Article Index
Overview
Full Category Index — Architecture Crash Course for the
Application Architecture
Class Design Basics — SOLID Principles and Inheritance vs
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
Appendix
Anti-Pattern Catalog — Reverse Lookup Before You're Stuck
Appendix
Best-Practice Catalog — When in Doubt, Lean on These
Appendix
Major Incident Catalog: Lessons Worth Hundreds of Millions
Case Studies
AI-Product Startup: Inference Cost and Data Are Everything
Case Studies
Large-Enterprise Core: Design That Holds Up for Years
Case Studies
Mobile-App Dedicated - Store Reviews and 2-OS Sync Practice
Case Studies
Case Studies: Same Question, Different Answer by Scale
Case Studies
Public / Local-Government Systems
Case Studies
Small-Mid SaaS - Lean on Managed and Run with Few People
Case Studies
Personal / Startup: Ship in One Month Is Correct
Data Architecture
[Data Architecture] Data Store Selection
Data Architecture
ETL/ELT: Fivetran + dbt + DWH Is the Modern Default
Data Architecture
[Data Architecture] Data Governance
Data Architecture
[Data Architecture] Data Modeling
Data Architecture
Data Architecture: The Foundation for AI in Your Org
Data Architecture
[Data Architecture] Data Platform
Data Architecture
[Data Architecture] Streaming - Question Whether It's Truly
DevOps Architecture
CI/CD: GitHub Actions + OIDC + Feature Flags
DevOps Architecture
[DevOps Architecture] Deploy Strategy
DevOps Architecture
[DevOps Architecture] Dev Environment and Local Execution
DevOps Architecture
[DevOps Architecture] Documentation
DevOps Architecture
[DevOps Architecture] Incident Response
DevOps Architecture
[DevOps Architecture] Log Design
DevOps Architecture
[DevOps Architecture] Monitoring and Observability
DevOps Architecture
DevOps Architecture: One Pipeline for Build and Ship
DevOps Architecture
[DevOps Architecture] Code Review
DevOps Architecture
[DevOps Architecture] SLO and SLI
DevOps Architecture
[DevOps Architecture] DevOps and SRE Overview
DevOps Architecture
[DevOps Architecture] SRE Practices
DevOps Architecture
[DevOps Architecture] Test Design
DevOps Architecture
[DevOps Architecture] Ticket and Project Management
DevOps Architecture
[DevOps Architecture] Version Control
Enterprise Architecture
Application Architecture - Mapping Company-Wide Systems
Enterprise Architecture
Business Architecture: Connecting Business to Technology
Enterprise Architecture
Data Architecture - Designing Company-Wide Data as Strategic
Enterprise Architecture
EA Frameworks - Tailor TOGAF + ArchiMate to Use
Enterprise Architecture
Enterprise Architecture Overview
Enterprise Architecture
Technology Architecture: The Constitution of Enterprise IT
Frontend Architecture
[Frontend Architecture] Auth - F12-Premised Browser Security
Frontend Architecture
[Frontend Architecture] BFF Design
Frontend Architecture
[Frontend Architecture] CSS Design
Frontend Architecture
[Frontend Architecture] Frameworks in Detail
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
Frontend Architecture
[Frontend Architecture] State Management
Overview
Architecture Glossary (Alphabetical)
Overview
What an IT Architect Actually Does
Overview
Learning Roadmap — Where to Start, by Role
Overview
Architecture Crash Course for the Generative-AI Era
Security Architecture
[Security Architecture] Authentication Design
Security Architecture
[Security Architecture] Encryption
Security Architecture
[Security Architecture] Authorization and IAM
Security Architecture
[Security Architecture] Network Security
Security Architecture
Security Architecture: Defense in Depth and Zero Trust
Security Architecture
[Security Architecture] Secret Management
Security Architecture
[Security Architecture] Vulnerability Assessment
Security Architecture
Zero Trust: Trust Nothing, Always Verify
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 Language: TS / Python / Java / Go / Rust
Software Architecture
Choosing Module Design — Layered / Hexagonal / Clean
Software Architecture
Software Architecture Overview
Software Architecture
Monolith, Microservices or Modular Monolith?
Software Architecture
Transaction Design: ACID, Saga and the Outbox Pattern
Solution Architecture
Non-Functional Requirements - 'Don't Stop' Has No Price Tag
Solution Architecture
Solution Architecture Overview
Solution Architecture
PoC Design: A PoC That 'Sort of Worked' Has Failed
Solution Architecture
Bridging Requirements to Design
Solution Architecture
Estimation and ROI - Pinpoint Estimates Are Mostly Lies
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)
System Architecture
Datastore Placement: RDBMS, NoSQL and Cache Combined
System Architecture
Choosing a Deployment Model — On-Prem / Cloud / Hybrid
System Architecture
Monitoring & Ops Overall Design
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