use app version from release chart

Author: qrkourier

charts/ziti-webhook/templates/deployment.yaml

@@ -26,7 +26,7 @@ spec:
     spec:
       containers:
         - name: ziti-admission-webhook
-          image: "{{ .Values.deployment.image.repo }}:{{ .Values.deployment.image.tag }}"
+          image: "{{ .Values.deployment.image.repo }}:{{ .Values.deployment.image.tag | default .Chart.AppVersion }}"
           imagePullPolicy: {{ .Values.deployment.image.pullPolicy }}
           ports:
             - containerPort: {{ .Values.server.port }}

charts/ziti-webhook/values.yaml

@@ -40,7 +40,7 @@ deployment:
   name: "ziti-admission-wh-deployment"
   image:
     repo: "docker.io/netfoundry/ziti-k8s-agent"
-    tag: "latest"
+    tag: ""  # Empty defaults to chart's appVersion
     pullPolicy: "IfNotPresent"
   replicas: 1
   resources: