feat: add PostgreSQL tunnel deployment with ConfigMap, HPA, and service

metrics-server/eu-central-1/kustomization.yaml

@@ -0,0 +1,11 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources: []
+
+helmCharts:
+  - name: metrics-server
+    repo: https://kubernetes-sigs.github.io/metrics-server/
+    version: 3.x
+    releaseName: metrics-server
+    namespace: kube-system
+    valuesFile: values.yaml

metrics-server/eu-central-1/values.yaml

@@ -0,0 +1,13 @@
+resources:
+  requests:
+    cpu: 50m
+    memory: 64Mi
+  limits:
+    cpu: 100m
+    memory: 128Mi
+
+metrics:
+  enabled: true
+
+serviceMonitor:
+  enabled: false