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@@ -1,7 +1,7 @@
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---
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title: "Petclinic Demo Jonathan Scaf 2"
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generated_by: documentor-agent
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generated_at: "2026-05-05T10:06:28+00:00"
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generated_at: "2026-05-05T11:02:41+00:00"
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human_edited: false
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source_entity: "Component/default/petclinic-demo-jonathan-scaf-2"
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source_repo: "https://gitea.kyndemo.live/validate/petclinic-demo-jonathan-scaf-2"
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@@ -9,67 +9,61 @@ source_repo: "https://gitea.kyndemo.live/validate/petclinic-demo-jonathan-scaf-2
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# Petclinic Demo Jonathan Scaf 2
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> A deployment of the Spring PetClinic application, scaffolded via Backstage and managed with ArgoCD in the `demo-apps` namespace.
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> A Spring Boot–based veterinary clinic application deployed via ArgoCD into the demo-apps namespace.
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## Overview
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Petclinic Demo Jonathan Scaf 2 is a deployment of the Spring PetClinic application, a sample Spring Boot project designed to showcase best practices in Java application development. This service was scaffolded using the Backstage Application Migration Factory template and integrates OpenTelemetry for observability, K6 for load testing, and Chaos Mesh for chaos engineering.
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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.
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The application provides a web interface for managing veterinary clinics, including features for scheduling appointments, managing pet records, and tracking clinic staff. It is deployed via ArgoCD, which continuously syncs the application from the `main` branch of its source repository into the `demo-apps` namespace.
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This deployment is instrumented for monitoring and observability, with metrics and traces visualized in Grafana. It also supports rollback and automated sync workflows through ArgoCD.
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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.
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## Repository
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| Field | Value |
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|---|---|
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| Source Repo | [https://gitea.kyndemo.live/validate/petclinic-demo-jonathan-scaf-2](https://gitea.kyndemo.live/validate/petclinic-demo-jonathan-scaf-2) |
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| Source Repo | [Petclinic Demo Jonathan Scaf 2](https://gitea.kyndemo.live/validate/petclinic-demo-jonathan-scaf-2) |
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| Branch | main |
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| ArgoCD App | petclinic-demo-jonathan-scaf-2 |
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| Namespace | demo-apps |
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## Architecture
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- The application is based on the Spring PetClinic project, cloned from [https://github.com/spring-projects/spring-petclinic](https://github.com/spring-projects/spring-petclinic).
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- OpenTelemetry auto-instrumentation is applied via Kustomize overlays, enabling detailed observability.
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- The application is based on the Spring PetClinic project, cloned from `https://github.com/spring-projects/spring-petclinic`.
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- OpenTelemetry auto-instrumentation is applied via Kustomize overlays, enabling detailed observability for traces, metrics, and logs.
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- ArgoCD manages the deployment, continuously syncing changes from the `main` branch to the `demo-apps` namespace.
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- The deployment flow includes CI workflows, Backstage catalog entity creation, and integration with monitoring tools like Grafana.
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- The deployment flow includes CI workflows, Kubernetes manifests, and observability configurations integrated into the repository.
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## Configuration
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| Configuration | Description |
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|---|---|
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| `spring.profiles.active` | Specifies the active Spring profile (`mysql`, `postgres`, or default `h2`). |
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| Database | Default is H2 in-memory; supports MySQL and PostgreSQL with Docker or Docker Compose. |
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| OpenTelemetry | Auto-instrumentation enabled; traces exported to OTel Collector. |
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| Database URLs | `jdbc:h2:mem:<uuid>` for H2, or Docker-based MySQL/PostgreSQL configurations. |
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| OpenTelemetry Endpoint | `http://otel-collector.monitoring.svc.cluster.local:4318` |
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## Operations
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### Development Workflow
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- **Development Workflow**:
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```bash
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git clone https://gitea.kyndemo.live/validate/petclinic-demo-jonathan-scaf-2.git
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cd petclinic-demo-jonathan-scaf-2
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# make changes, then:
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git add . && git commit -m "your change" && git push origin main
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```
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ArgoCD automatically syncs changes to the `demo-apps` namespace.
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```bash
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git clone https://gitea.kyndemo.live/validate/petclinic-demo-jonathan-scaf-2.git
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cd petclinic-demo-jonathan-scaf-2
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# make changes, then:
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git add . && git commit -m "your change" && git push origin main
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```
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- **Rollback**:
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1. Open the [ArgoCD UI](https://argocd.kyndemo.live/applications/petclinic-demo-jonathan-scaf-2).
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2. Click **History and Rollback**.
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3. Select the desired revision and click **Rollback**.
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Alternatively, revert the commit in Git and push — ArgoCD will auto-sync the rollback.
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ArgoCD monitors the repository and automatically syncs changes to the `demo-apps` namespace.
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### Rollback
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1. Open the [ArgoCD UI](https://argocd.kyndemo.live/applications/petclinic-demo-jonathan-scaf-2).
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2. Click **History and Rollback**.
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3. Select the desired revision and click **Rollback**.
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Alternatively, revert the commit in Git and push — ArgoCD will auto-sync the rollback.
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<!-- TODO: FILL IN -->
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## Observability
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- **Grafana Dashboard**: [https://grafana.kyndemo.live/d/otel-app-observability-v2/opentelemetry-application-observability?orgId=1&var-app=petclinic-demo-jonathan-scaf-2](https://grafana.kyndemo.live/d/otel-app-observability-v2/opentelemetry-application-observability?orgId=1&var-app=petclinic-demo-jonathan-scaf-2)
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- **OTel Collector Endpoint**: `http://otel-collector.monitoring.svc.cluster.local:4318`
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Traces, metrics, and logs are exported to the OTel Collector and visualized in Grafana. Alerts are configured via Grafana and can be monitored in Backstage.
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- **Grafana Dashboard**: [OpenTelemetry Application Observability](https://grafana.kyndemo.live/d/otel-app-observability-v2/opentelemetry-application-observability?orgId=1&var-app=petclinic-demo-jonathan-scaf-2)
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- **Alerting**: Configured via Grafana with label selector `app.kubernetes.io/instance=petclinic-demo-jonathan-scaf-2`.
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## Dependencies
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@@ -1,85 +1,49 @@
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---
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title: "Petclinic"
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generated_by: documentor-agent
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generated_at: "2026-05-05T10:06:42+00:00"
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generated_at: "2026-05-13T10:50:59+00:00"
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human_edited: false
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source_entity: "Component/default/petclinic"
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source_repo: "https://gitea.kyndemo.live/validate/petclinic-demo-jonathan-scaf-2"
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source_repo: "https://gitea.kyndemo.live/validate/petclinic-demo-andrej2"
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---
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# Petclinic
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> A Spring Boot–based application for managing veterinary clinic operations, including scheduling, customer management, and pet records.
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> Petclinic service — part of petclinic-demo-andrej2.
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## Overview
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The Petclinic service is a Java-based application built using Spring Boot. It provides a comprehensive solution for managing veterinary clinic operations, including scheduling appointments, managing customer and pet records, and handling clinic workflows. The application is designed to be lightweight and easily deployable, with support for in-memory databases (H2) and external databases like MySQL and PostgreSQL.
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The Petclinic service is a core component of the petclinic-demo-andrej2 system. It is designed to provide functionality for managing pet-related data, including owners, visits, and veterinary records. This service is part of a demonstration project showcasing modern application deployment practices, including GitOps, observability, load testing, and chaos engineering.
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This service is part of the broader `petclinic-demo-jonathan-scaf-2` system and has been scaffolded using the Backstage Application Migration Factory template. It includes OpenTelemetry instrumentation for observability and integrates with ArgoCD for continuous deployment. The application is suitable for development and experimental environments, with a focus on showcasing Spring Boot capabilities and providing a foundation for further customization.
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The service is built using Java and integrates with various platform tools such as ArgoCD for deployment, OpenTelemetry for observability, K6 for load testing, and Chaos Mesh for chaos engineering experiments. It serves as a practical example of how to implement and manage a microservice in a cloud-native environment.
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## Repository
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| Field | Value |
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|---|---|
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| Source Repo | [Petclinic Repository](https://gitea.kyndemo.live/validate/petclinic-demo-jonathan-scaf-2) |
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|---------------|-----------------------------------------------------------------------|
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| Source Repo | [Petclinic Repository](https://gitea.kyndemo.live/validate/petclinic-demo-andrej2) |
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| Branch | main |
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| ArgoCD App | petclinic-demo-jonathan-scaf-2 |
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| ArgoCD App | petclinic-demo-andrej2 |
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| Namespace | demo-apps |
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## Architecture
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- The Petclinic service is deployed using ArgoCD, targeting the `demo-apps` namespace.
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- OpenTelemetry auto-instrumentation is applied via Kustomize overlays, enabling detailed observability for traces, metrics, and logs.
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- The application uses Spring Boot for rapid development and deployment, with support for both in-memory and external databases.
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- Continuous integration and deployment workflows are managed through Backstage and ArgoCD, ensuring seamless updates and rollbacks.
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<!-- TODO: FILL IN -->
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## Configuration
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| Configuration | Description |
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|---|---|
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| `spring.profiles.active` | Specifies the active Spring profile (`mysql`, `postgres`, or default `h2`). |
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| Database URLs | `jdbc:h2:mem:<uuid>` for H2, or external database URLs for MySQL/PostgreSQL. |
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| Environment Variables | Used for database credentials when running MySQL/PostgreSQL containers. |
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<!-- TODO: FILL IN -->
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## Operations
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### Local Development
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1. Clone the repository:
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```bash
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git clone https://gitea.kyndemo.live/validate/petclinic-demo-jonathan-scaf-2.git
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cd petclinic-demo-jonathan-scaf-2
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```
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2. Run the application:
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- Using Maven:
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```bash
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./mvnw spring-boot:run
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```
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- Using Gradle:
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```bash
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./gradlew bootRun
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```
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3. Access the application at [http://localhost:8080](http://localhost:8080).
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### Deployment
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ArgoCD monitors the repository and automatically syncs changes to the `demo-apps` namespace. To roll back to a previous version:
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||||
1. Open the [ArgoCD UI](https://argocd.kyndemo.live/applications/petclinic-demo-jonathan-scaf-2).
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2. Click **History and Rollback**.
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3. Select the desired revision and click **Rollback**.
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Alternatively, revert the commit in Git and push — ArgoCD will auto-sync the rollback.
|
||||
<!-- TODO: FILL IN -->
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||||
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||||
## Observability
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||||
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- **Grafana Dashboard**: [OpenTelemetry Application Observability](https://grafana.kyndemo.live/d/otel-app-observability-v2/opentelemetry-application-observability?orgId=1&var-service=petclinic)
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||||
- **OTel Collector Endpoint**: `http://otel-collector.monitoring.svc.cluster.local:4318`
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This service is fully instrumented with OpenTelemetry, providing detailed insights into application performance and health. Alerts and metrics can be monitored via Grafana.
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- [Grafana Dashboard](https://grafana.kyndemo.live/d/otel-app-observability-v2/opentelemetry-application-observability?orgId=1&var-service=petclinic)
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## Dependencies
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- `component:default/argocd-service`
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- `resource:default/k6-operator`
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- `resource:default/otel-collector`
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- `resource:default/veterinary-platform`
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