Circuit Breaker with Resilience4j circuit-breaker-resilience4j it's a simple project to test circuit breaker pattern with Resilience4j library. CircuitBreaker definition Resilience4j Getting started Use docker-compose to start CircuitBreaker, external-service, grafana and prometheus servers. docker-compose up -d Creating some records Excute with cURL or browser http://localhost:8080/random Looking the results Open http://localhost:3000 Access Grafana with admin:admin