While REST often provides too much data (overfetching) or gRPC is too complex to handle for web clients, GraphQL has established itself as the standard for flexible front ends. With Spring Boot 4, the integration of spring-graphql is more seamless than ever before. Forget manual controller logic …

In recent years, anyone who wanted to use gRPC with Spring Boot often had to resort to community starters. With Spring Boot 4 the game changes: gRPC is now a first-class citizen. In this guide, we’ll look at how to set up a greenfield project with Java and why Virtual Threads fundamentally …

The fallacy of “scalability from day 1”

Imagine you are starting a new project. The team is motivated, the whiteboard has been wiped clean, and the first question in the room is: “Which microservices do we need?”