Building Resilient Spring Boot Microservices: A Comprehensive Guide to Fault Tolerance with Resilience4j

Hey there, microservices architects and reliability gurus! If you’re running distributed systems in production, you know the brutal truth: failure is inevitable. Services go down, networks get flaky, databases get overloaded. The real challenge isn’t preventing failures entirely (often impossible), but designing your applications to gracefully handle these failures, prevent cascading outages, and maintain overall system stability.