feat(cluster): implement echo-server helm release

Signed-off-by: Devin Buhl <devin@buhl.casa>

cluster/apps/default/echo-server/helm-release.yaml

@@ -0,0 +1,42 @@
+---
+apiVersion: helm.toolkit.fluxcd.io/v2beta1
+kind: HelmRelease
+metadata:
+  name: echo-server
+  namespace: default
+spec:
+  interval: 5m
+  chart:
+    spec:
+      chart: echo-server
+      version: 0.3.1
+      sourceRef:
+        kind: HelmRepository
+        name: ealenn-charts
+        namespace: flux-system
+      interval: 5m
+  values:
+    image:
+      repository: docker.io/ealen/echo-server
+      tag: 0.5.1
+    ingress:
+      enabled: true
+      annotations:
+          cert-manager.io/cluster-issuer: "letsencrypt-production"
+          hajimari.io/enable: "true"
+          hajimari.io/icon: "video-input-antenna"
+          traefik.ingress.kubernetes.io/router.entrypoints: "websecure"
+      hosts:
+        - host: "echo-server.${SECRET_DOMAIN}"
+          paths:
+            - "/"
+      tls:
+        - secretName: echo-server-tls
+          hosts:
+            - "echo-server.${SECRET_DOMAIN}"
+    resources:
+      requests:
+        cpu: 50m
+        memory: 64Mi
+      limits:
+        memory: 96Mi

cluster/apps/default/echo-server/kustomization.yaml

@@ -0,0 +1,5 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - config-pvc.yaml
+  - helm-release.yaml

cluster/apps/default/kustomization.yaml

@@ -1,4 +1,5 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
+  - echo-server
   - hajimari