made prometheus and grafana available in the kubernetes setup

Author: maliklesch

README.md

@@ -166,6 +166,12 @@ helm uninstall bytebite --namespace team-bytebite  # To take down later
 
 Open http://localhost:80
 
+The local Helm values also expose monitoring services when supported by your
+local cluster:
+
+- Prometheus: http://localhost:9090
+- Grafana: http://localhost:3000 (`admin` / `bytebite`)
+
 #### Kubernetes Deployment to the AET cluster
 
 Prerequisite: The `team-bytebite` namespace must exist in the cluster.
@@ -186,3 +192,5 @@ helm uninstall bytebite --namespace team-bytebite  # To take down later
 ```
 
 The app is available at https://team-bytebite.stud.k8s.aet.cit.tum.de
+Grafana is available at https://team-bytebite.stud.k8s.aet.cit.tum.de/grafana
+when `monitoring.enabled` and `monitoring.grafana.ingress.enabled` are true.

helm/bytebite/README.md

@@ -1,6 +1,7 @@
 # ByteBite Helm Chart
 
-Deploys the ByteBite application (client, api-gateway, user-service, grocery-service, gen-ai) to Kubernetes.
+Deploys the ByteBite application (client, api-gateway, user-service, grocery-service, gen-ai)
+and the optional monitoring stack (Prometheus + Grafana) to Kubernetes.
 
 ## Prerequisites
 
@@ -29,6 +30,11 @@ helm uninstall bytebite --namespace team-bytebite
 | `ingress.tls` | Enable TLS via cert-manager | `true` |
 | `genai.logosKey` | Logos API key for the default gen-ai provider | `""` |
 | `genai.openaiApiKey` | OpenAI API key for the selectable OpenAI provider | `""` |
+| `monitoring.enabled` | Deploy Prometheus and Grafana | `true` |
+| `monitoring.grafana.adminUser` | Grafana admin username | `admin` |
+| `monitoring.grafana.adminPassword` | Grafana admin password | `bytebite` |
+| `monitoring.grafana.ingress.enabled` | Expose Grafana under the main ingress host | `true` |
+| `monitoring.grafana.ingress.path` | Grafana ingress path | `/grafana` |
 | `client.image.tag` | Client image tag | `latest` |
 | `apiGateway.image.tag` | API gateway image tag | `latest` |
 | `userService.image.tag` | User service image tag | `latest` |