Use image tag from chart.yaml by default (#106)

Signed-off-by: Hagai Barel <hagaibarel@gmail.com>

Author: hagaibarel

charts/coredns/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v2
 name: coredns
-version: 1.19.10
+version: 1.20.0
 appVersion: 1.9.4
 home: https://coredns.io
 icon: https://coredns.io/images/CoreDNS_Colour_Horizontal.png
@@ -14,8 +14,14 @@ sources:
 maintainers:
   - name: mrueg
   - name: haad
+  - name: HagaiBarel
 engine: gotpl
 type: application
 annotations:
   artifacthub.io/changes: |
-    - Initial helm chart changelog
+    - kind: changed
+      description: Use chart appVersion as default image tag
+    - kind: added
+      description: Add HagaiBarel as chart maintainer
+    - kind: fixed
+      description: Fix reference link to values file in the readme

charts/coredns/README.md

@@ -154,7 +154,7 @@ Alternatively, a YAML file that specifies the values for the above parameters ca
 $ helm install coredns coredns/coredns -f values.yaml
 ```
 
-> **Tip**: You can use the default [values.yaml](values.yaml)
+> **Tip**: You can use the default [values.yaml](/charts/coredns/values.yaml)
 
 ## Caveats
 

charts/coredns/templates/deployment.yaml

@@ -92,7 +92,7 @@ spec:
       {{- end }}
       containers:
       - name: "coredns"
-        image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+        image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
         imagePullPolicy: {{ .Values.image.pullPolicy }}
         args: [ "-conf", "/etc/coredns/Corefile" ]
         volumeMounts:

charts/coredns/values.yaml

@@ -4,7 +4,8 @@
 
 image:
   repository: coredns/coredns
-  tag: "1.9.4"
+  # Overrides the image tag whose default is the chart appVersion.
+  tag: ""
   pullPolicy: IfNotPresent
   ## Optionally specify an array of imagePullSecrets.
   ## Secrets must be manually created in the namespace.