[stable/ghost] Add affinity (#16851)

* [stable/ghost] Add affinity

Signed-off-by: Carlos Rodriguez Hernandez <crhernandez@bitnami.com>

* Add new line

Signed-off-by: Carlos Rodriguez Hernandez <crhernandez@bitnami.com>

stable/ghost/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: ghost
-version: 7.1.9
+version: 7.2.0
 appVersion: 2.30.2
 description: A simple, powerful publishing platform that allows you to share your stories with the world
 keywords:

stable/ghost/README.md

@@ -114,6 +114,7 @@ The following table lists the configurable parameters of the Ghost chart and the
 | `persistence.size`                  | PVC Storage Request for Ghost volume                          | `8Gi`                                                    |
 | `persistence.path`                  | Path to mount the volume at, to use other images              | `/bitnami`                                               |
 | `resources`                         | CPU/Memory resource requests/limits                           | Memory: `512Mi`, CPU: `300m`                             |
+| `affinity`                          | Map of node/pod affinities                                    | `{}`                                                     |
 
 The above parameters map to the env variables defined in [bitnami/ghost](http://github.com/bitnami/bitnami-docker-ghost). For more information please refer to the [bitnami/ghost](http://github.com/bitnami/bitnami-docker-ghost) image documentation.
 

stable/ghost/templates/deployment.yaml

@@ -172,4 +172,8 @@ spec:
       {{- else }}
         emptyDir: {}
       {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+{{ toYaml . | indent 8 }}
+      {{- end }}
 {{- end -}}

stable/ghost/values.yaml

@@ -59,7 +59,6 @@ ghostProtocol: http
 # ghostPort:
 ghostPath: /
 
-
 ## User of the application
 ## ref: https://github.com/bitnami/bitnami-docker-ghost#configuration
 ##
@@ -264,3 +263,8 @@ ingress:
   # - name: ghost.local-tls
   #   key:
   #   certificate:
+
+## Affinity for pod assignment
+## Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
+##
+affinity: {}