Modular Monolith in Node.js: Enforcing Module Public APIs
Build a modular monolith in Node.js with TypeScript: small index.ts public APIs, tooling-enforced boundaries, data ownership, events, and a composition root.
13 min read
Tag
modular monolith
Enforce Module Boundaries in a Modular Monolith with ArchUnit and ESLint
Define modules, write allow-list dependency rules, and fail CI on violations using ArchUnit tests on the JVM and boundary lint rules in TypeScript.
13 min read
How to Merge Microservices into a Monolith: A Migration Playbook
A step-by-step playbook to merge microservices into a modular monolith: when to do it, how to consolidate code and data safely, and what it costs.
13 min read
Spring Modulith Tutorial: Enforcing Module Boundaries in Java
Learn how Spring Modulith infers modules, fails builds on boundary violations, and decouples modules with transactional application events in a Java monolith.
13 min read
Bounded Contexts in a Modular Monolith: Enforce Them in Code
Learn how to discover bounded contexts, enforce module boundaries in code, schema and CI, map context relationships, and decide when to extract a service.
13 min read
The Majestic Monolith: A Guide to Convention Over Distribution
Learn what a majestic monolith is, how to enforce module boundaries in one deployable, scale it, and recognize the signals that justify extracting a service.
12 min read
What a Microservices-Ready Monolith Actually Means in Code
Learn how to test whether a monolith is microservices-ready: data ownership, explicit contracts, enforced boundaries, cross-module transactions and a scoring checklist.
13 min read
Modular Monolith Testing: Make the Module Your Main Test Unit
Shape a modular monolith test suite around module tests with real infrastructure, faked neighbours, contract tests, boundary rules and thin end-to-end checks.
13 min read
Modular Monolith Folder Structure: Layout, Naming, Boundaries
Learn a modular monolith folder structure: package by feature, one public API per module, data ownership, naming rules, and CI checks that enforce boundaries.
13 min read
Modular Monolith Communication: Module APIs, Events and Outboxes
Learn when modules in a modular monolith should call each other through narrow APIs, when to use in-process events, and how to enforce boundaries.
14 min read
Modular Monolith Database Design: Schemas, Ownership and Foreign Keys
Design a modular monolith database in PostgreSQL: schema per module, enforced data ownership, cross-module foreign keys, safe cross-module queries and migrations.
14 min read
Module Boundaries in a Monolith: Enforce Them with Code
Learn how to enforce module boundaries in a monolith using dependency rules, package visibility, build units, and architecture tests that run in CI.
13 min read