(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/owncast/values.yaml

@@ -13,6 +13,13 @@ image:
   # -- image pull policy
   pullPolicy: IfNotPresent
 
+securityContext:
+  readOnlyRootFilesystem: false
+  runAsNonRoot: false
+
+podSecurityContext:
+  runAsUser: 0
+  runAsGroup: 0
 
 # -- Configures service settings for the chart.
 # @default -- See values.yaml
@@ -32,7 +39,6 @@ service:
         protocol: TCP
         targetPort: 1935
 
-
 # -- Configure persistence settings for the chart under this key.
 # @default -- See values.yaml
 persistence: