(feat) Standardise and Harden default app securitycontext (#1028)

* Apply security hardened defaults to values.yaml for all apps

* Add default common securityContext to all apps

* Adjust securityContext defaults in questions.yaml, according to values.yaml

* Add default common podSecurityContext to all apps

* Clean whitespace

* Clean more whitespace

* Adjust podSecurityContext defaults in questions.yaml, according to values.yaml

* fix pgadmin

Co-authored-by: Stavros kois <s.kois@outlook.com>

charts/stable/octoprint/SCALE/questions.yaml

@@ -104,8 +104,6 @@ questions:
             default: ""
 # Include{containerConfig}
 
-
-
   - variable: service
     group: "Networking and Services"
     label: "Configure Service(s)"
@@ -210,7 +208,6 @@ questions:
                               max: 65535
                               default: 36071
 
-
   - variable: serviceexpert
     group: "Networking and Services"
     label: "Show Expert Config"
@@ -559,8 +556,6 @@ questions:
                                   schema:
                                     type: string
 
-
-
 # Include{ingressList}
 
   - variable: securityContext
@@ -578,18 +573,63 @@ questions:
           label: "ReadOnly Root Filesystem"
           schema:
             type: boolean
-            default: false
+            default: true
         - variable: allowPrivilegeEscalation
           label: "Allow Privilege Escalation"
           schema:
             type: boolean
-            default: true
+            default: false
         - variable: runAsNonRoot
           label: "runAsNonRoot"
           schema:
             type: boolean
             default: false
 
+  - variable: podSecurityContext
+    group: "Security and Permissions"
+    label: "Pod Security Context"
+    schema:
+      type: dict
+      attrs:
+        - variable: runAsUser
+          label: "runAsUser"
+          description: "The UserID of the user running the application"
+          schema:
+            type: int
+            default: 0
+        - variable: runAsGroup
+          label: "runAsGroup"
+          description: The groupID this App of the user running the application"
+          schema:
+            type: int
+            default: 0
+        - variable: fsGroup
+          label: "fsGroup"
+          description: "The group that should own ALL storage."
+          schema:
+            type: int
+            default: 568
+        - variable: supplementalGroups
+          label: "supplemental Groups"
+          schema:
+            type: list
+            default: []
+            items:
+              - variable: supplementalGroupsEntry
+                label: "supplemental Group"
+                schema:
+                  type: int
+        - variable: fsGroupChangePolicy
+          label: "When should we take ownership?"
+          schema:
+            type: string
+            default: "OnRootMismatch"
+            enum:
+              - value: "OnRootMismatch"
+                description: "OnRootMismatch"
+              - value: "Always"
+                description: "Always"
+
   - variable: deviceList
     label: "Mount USB devices"
     group: "Resources and Devices"
@@ -672,7 +712,6 @@ questions:
                   default: "50Mi"
                   valid_chars: '^([0-9.]+)([EPTGMK]i?|[EPTGMK]?|e[0-9]+)$'
 
-
   - variable: autoscaling
     group: "Resources and Devices"
     label: "(Advanced) Horizontal Pod Autoscaler"