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Lessons (9)

• Monolith vs Microservices

  … Compare monoliths, modular monoliths and microservices with clear pictures. The big idea - A monolith is like a department …

• Vertical Slice Architecture & the Modular Monolith

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

• Choosing an Architecture

  … For example: a modular monolith (1), with Hexagonal modules (2), cut along DDD bounded contexts (3), talking via …

• What Is Software Architecture?

  … a modular monolith , split along DDD bounded contexts , where each module uses Hexagonal/Clean architecture inside, and modules …

• Domain-Driven Design: Strategic Design

  … starting point for module boundaries in a modular monolith, and for service boundaries in microservices. One team should …

• KISS: Keep It Simple, Stupid

  … the simplest architecture that works, like a modular monolith and one database. Add microservices, queues and caches when …

• API Gateway, BFF & Service Discovery

  … A gateway full of business rules becomes a new monolith, and a single point of failure (so run …

• Event-Driven Architecture

  … Inside a modular monolith , modules can communicate with in-process domain events , keeping modules decoupled without any broker …

• Data in Microservices: Sagas & the Outbox Pattern

  … deployed independently, and you've built a distributed monolith . The consequence: there is no single BEGIN … COMMIT across …