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Most APIs labeled “REST” ignore the constraints that actually define it. Understanding what REST really requires leads to more scalable, evolvable systems—but also reveals when not to use it.
Read moreREST and asynchronous messaging are not interchangeable communication styles — they make fundamentally different promises about consistency, coupling, and failure behavior, and choosing the wrong one for a given interaction is a load-bearing architectural mistake.
Read moreRuboCop ships with hundreds of cops enabled by default, many of which create noise without improving code quality. Here is a configuration philosophy and the specific rules worth fighting over.
Read moreSpring Boot auto-configuration applies sensible defaults without requiring explicit bean definitions. Understanding the @Conditional mechanism, loading order, and override patterns turns auto-configuration from a black box into a predictable system.
Read moreUnit tests give you confidence your classes work in isolation. Integration tests tell you whether your application actually works. Most Spring Boot projects have too few of the latter — and pay for it in production.
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