Cloud Native ve Observability
Cloud native prensipleri, 12-factor app, observability: metrics (Micrometer/Prometheus), distributed tracing (OpenTelemetry, Jaeger), structured logging ve log aggregation (ELK/EFK). Health checks ve chaos engineering yaklaşımları.
Micrometer metric örneği
MeterRegistry registry = new SimpleMeterRegistry();
Counter c = registry.counter("requests.total");
c.increment();