Add value option to define schedulerName (#150)

For those who have a need to configure the schedulerName like us, make this an option just as it is for example in the postgres chart

Co-authored-by: Dimitri Ars <dimitri.ars@kpn.com>
Reviewed-on: https://gitea.com/gitea/helm-chart/pulls/150
Reviewed-by: luhahn <luhahn@noreply.gitea.io>
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: mrdima <mrdima@noreply.gitea.io>
Co-committed-by: mrdima <mrdima@noreply.gitea.io>

README.md

@@ -376,6 +376,7 @@ Annotations can be added to the Gitea pod.
 | extraVolumeMounts                         | Additional volumes mounts for the Gitea containers     | {}          |
 | initPreScript                             | Bash script copied verbatim to start of init container |             |
 | securityContext                           | Run as a specific securityContext                      | {}          |
+| schedulerName                             | Use an alternate scheduler, e.g. "stork"               |             |
 
 ### Image
 

templates/gitea/statefulset.yaml

@@ -28,6 +28,9 @@ spec:
         {{- toYaml .Values.statefulset.labels | nindent 8 }}
         {{- end }}
     spec:
+      {{- if .Values.schedulerName }}
+      schedulerName: "{{ .Values.schedulerName }}"
+      {{- end }}
       {{- with .Values.imagePullSecrets }}
       imagePullSecrets:
         {{- toYaml . | nindent 8 }}

values.yaml

@@ -68,6 +68,11 @@ resources: {}
   #   cpu: 100m
   #   memory: 128Mi
 
+## Use an alternate scheduler, e.g. "stork".
+## ref: https://kubernetes.io/docs/tasks/administer-cluster/configure-multiple-schedulers/
+##
+# schedulerName:
+
 nodeSelector: {}
 
 tolerations: []