Podinfo⁠ is a tiny web application made with Go that showcases best practices of running microservices in Kubernetes.

Specifications:

• Health checks (readiness and liveness)
• Graceful shutdown on interrupt signals
• File watcher for secrets and configmaps
• Instrumented with Prometheus
• Tracing with Istio and Jaeger
• Linkerd service profile
• Structured logging with zap
• 12-factor app with viper
• Fault injection (random errors and latency)
• Swagger docs
• Helm and Kustomize installers
• End-to-End testing with Kubernetes Kind and Helm
• Kustomize testing with GitHub Actions and Open Policy Agent

Source code: https://github.com/stefanprodan/podinfo⁠