Use image tag instead of image version in values (#91)

Use image tag instead of image version in values

Change to tenary function instead of if

Update description and add link to tag list

Fixup readme

Co-authored-by: Lauris BH <lauris@nix.lv>
Reviewed-on: https://gitea.com/gitea/helm-chart/pulls/91
Reviewed-by: luhahn <luhahn@noreply.gitea.io>
Reviewed-by: techknowlogick <techknowlogick@gitea.io>
Co-Authored-By: lafriks <lafriks@noreply.gitea.io>
Co-Committed-By: lafriks <lafriks@noreply.gitea.io>

templates/gitea/statefulset.yaml

@@ -28,7 +28,7 @@ spec:
         fsGroup: 1000
       initContainers:
         - name: init
-          image: "{{ .Values.image.repository }}:{{ .Values.image.version }}"
+          image: "{{ .Values.image.repository }}:{{ ternary .Values.image.version .Values.image.tag (hasKey .Values.image "version") }}"
           command: ["/usr/sbin/init_gitea.sh"]
           volumeMounts:
             - name: init
@@ -40,7 +40,7 @@ spec:
       terminationGracePeriodSeconds: {{ .Values.statefulset.terminationGracePeriodSeconds }}
       containers:
         - name: {{ .Chart.Name }}
-          image: "{{ .Values.image.repository }}:{{ .Values.image.version }}"
+          image: "{{ .Values.image.repository }}:{{ ternary .Values.image.version .Values.image.tag (hasKey .Values.image "version") }}"
           imagePullPolicy: {{ .Values.image.pullPolicy }}
           env:
             # SSH Port values have to be set here as well for openssh configuration