platform-docs/catalog/component/default/petclinic-demo-jonathan-scaf-2/README.md

title, generated_by, generated_at, human_edited, source_entity, source_repo

title	generated_by	generated_at	human_edited	source_entity	source_repo
Petclinic Demo Jonathan Scaf 2	documentor-agent	2026-05-05T11:02:41+00:00	false	Component/default/petclinic-demo-jonathan-scaf-2	https://gitea.kyndemo.live/validate/petclinic-demo-jonathan-scaf-2

Petclinic Demo Jonathan Scaf 2

A Spring Boot–based veterinary clinic application deployed via ArgoCD into the demo-apps namespace.

Overview

Petclinic Demo Jonathan Scaf 2 is a deployment of the Spring PetClinic application, a sample project showcasing Spring Boot capabilities. This service provides a web-based interface for managing veterinary clinic operations, including scheduling appointments, managing pet records, and tracking visits. It is designed to demonstrate modern application deployment practices, including GitOps workflows, OpenTelemetry instrumentation, and integration with Kubernetes.

The application is scaffolded using the Backstage Application Migration Factory template, which overlays CI/CD workflows and observability configurations. It is continuously deployed via ArgoCD, ensuring that changes pushed to the repository are automatically synced to the Kubernetes cluster.

Repository

Field	Value
Source Repo	Petclinic Demo Jonathan Scaf 2
Branch	main
ArgoCD App	petclinic-demo-jonathan-scaf-2
Namespace	demo-apps

Architecture

• The application is based on the Spring PetClinic project, cloned from https://github.com/spring-projects/spring-petclinic.
• OpenTelemetry auto-instrumentation is applied via Kustomize overlays, enabling detailed observability for traces, metrics, and logs.
• ArgoCD manages the deployment, continuously syncing changes from the main branch to the demo-apps namespace.
• The deployment flow includes CI workflows, Kubernetes manifests, and observability configurations integrated into the repository.

Configuration

Configuration	Description
spring.profiles.active	Specifies the active Spring profile (mysql, postgres, or default h2).
Database URLs	jdbc:h2:mem:<uuid> for H2, or Docker-based MySQL/PostgreSQL configurations.
OpenTelemetry Endpoint	http://otel-collector.monitoring.svc.cluster.local:4318

Operations

• Development Workflow:

  git clone https://gitea.kyndemo.live/validate/petclinic-demo-jonathan-scaf-2.git
  cd petclinic-demo-jonathan-scaf-2
  # make changes, then:
  git add . && git commit -m "your change" && git push origin main
  

  ArgoCD automatically syncs changes to the demo-apps namespace.

• Rollback:

  1. Open the ArgoCD UI.
  2. Click History and Rollback.
  3. Select the desired revision and click Rollback. Alternatively, revert the commit in Git and push — ArgoCD will auto-sync the rollback.

Observability

• Grafana Dashboard: OpenTelemetry Application Observability
• Alerting: Configured via Grafana with label selector app.kubernetes.io/instance=petclinic-demo-jonathan-scaf-2.

Dependencies

• component:default/argocd-service
• resource:default/k6-operator
• resource:default/otel-collector
• resource:default/veterinary-platform