fix(services): Add scaling to all services

docs/scaling.md

@@ -46,10 +46,12 @@ marked with a gear.
 |                  | `replicas.jitsiKeycloakAdapter`          | :white_check_mark:  |       :gear:       |
 |                  | `replicas.jvb `                          |         :x:         |        :x:         |
 | Keycloak         | `replicas.keycloak`                      | :white_check_mark:  |       :gear:       |
+| Memcached        | `replicas.memcached`                     |       :gear:        |       :gear:       |
 | Minio            | `replicas.minioDistributed`              | :white_check_mark:  | :white_check_mark: |
 | Nextcloud        | `replicas.nextcloudApache2`              | :white_check_mark:  | :white_check_mark: |
 |                  | `replicas.nextcloudExporter`             | :white_check_mark:  | :white_check_mark: |
 |                  | `replicas.nextcloudPHP`                  | :white_check_mark:  | :white_check_mark: |
 | OpenProject      | `replicas.openproject`                   | :white_check_mark:  | :white_check_mark: |
 | Postfix          | `replicas.postfix`                       |         :x:         |       :gear:       |
+| Redis            | `replicas.redis`                         |       :gear:        |       :gear:       |
 | XWiki            | `replicas.xwiki`                         |         :x:         |       :gear:       |

helmfile/apps/services/values-mariadb.yaml

@@ -22,4 +22,6 @@ podSecurityContext:
   enabled: true
   fsGroup: 1001
   fsGroupChangePolicy: "OnRootMismatch"
+
+replicaCount: 1
 ...

helmfile/apps/services/values-memcached.gotmpl

@@ -13,6 +13,8 @@ image:
   tag: {{ .Values.images.memcached.tag | quote }}
   pullPolicy: {{ .Values.global.imagePullPolicy | quote }}
 
+replicaCount: {{ .Values.replicas.memcached }}
+
 resources:
   {{ .Values.resources.memcached | toYaml | nindent 2 }}
 ...

helmfile/apps/services/values-postgresql.yaml

@@ -23,7 +23,8 @@ podSecurityContext:
   fsGroup: 1001
   fsGroupChangePolicy: "OnRootMismatch"
 
-
 postgres:
   user: "postgres"
+
+replicaCount: 1
 ...

helmfile/apps/services/values-redis.gotmpl

@@ -18,6 +18,7 @@ image:
   pullPolicy: {{ .Values.global.imagePullPolicy | quote }}
 
 master:
+  count: {{ .Values.replicas.redis }}
   persistence:
     size: {{ .Values.persistence.size.redis | quote }}