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Lessons (13)

• Cost Optimization and the Well-Architected Framework

  Measure spend, pick the right pricing model, remove waste, and review architectures against the six Well-Architected pillars …

• What Is Software Architecture?

  … the "-ilities" Features describe what a system does. Quality attributes describe how well it does it. Architecture is …

• Vertical Slice Architecture & the Modular Monolith

  Organise code by feature instead of by technical layer, and split a monolith into well-bounded modules that …

• Microkernel (Plugin) Architecture

  … at architecture scale: the core is closed for modification, open for extension. Designing the contract well Guideline Why …

• KISS: Keep It Simple, Stupid

  … 10 }; const DEFAULT SHIPPING COST = 20; const getShippingCost = (country) = SHIPPING COST[country] ?? DEFAULT SHIPPING COST; KISS in architecture …

• Hexagonal Architecture (Ports & Adapters)

  … Each device just needs an adapter (a cable or dongle) that fits the port. Hexagonal Architecture , also called …

• D — Dependency Inversion Principle

  … A higher-order function works just as well: js const makePlaceOrder = ({ saveOrder, sendEmail }) = async (order) = { await saveOrder(order …

• AWS Interview Questions: Clear Answers

  … A “deployment succeeded” message does not prove that requests work. A completion exercise Draw your shop architecture and …

• Monolith vs Microservices

  … start with a well-structured monolith, learn where the real boundaries are, then extract services when the pain …

• Domain-Driven Design: Strategic Design

  … subdomains in the problem space, bounded contexts in the solution space](/img/architecture/ddd-strategic.svg) 1. Domain …

• Kafka vs RabbitMQ & the Kafka Ecosystem

  … Pick what<br/ your team can operate well"] ✅ Kafka shines for: event-driven microservices where many services react …

• VPC Endpoints, Transit Gateway and Hybrid Networking

  … Check return routes as well as the initial direction. PrivateLink is useful when you want to expose a …

• 500 Users Upload Documents at Once: Design the Background Job Pipeline

  … resume The core idea of a background job architecture is to separate accepting work from doing work. The …