Assign unique set of labels to k8s deployments #19703 (#19706)

chart/templates/deployment-sidekiq.yaml

@@ -11,7 +11,8 @@ spec:
   selector:
     matchLabels:
       {{- include "mastodon.selectorLabels" . | nindent 6 }}
-      component: rails
+      app.kubernetes.io/component: sidekiq
+      app.kubernetes.io/part-of: rails
   template:
     metadata:
       annotations:
@@ -22,7 +23,8 @@ spec:
         rollme: {{ randAlphaNum 5 | quote }}
       labels:
         {{- include "mastodon.selectorLabels" . | nindent 8 }}
-        component: rails
+        app.kubernetes.io/component: sidekiq
+        app.kubernetes.io/part-of: rails
     spec:
       {{- with .Values.imagePullSecrets }}
       imagePullSecrets:
@@ -40,7 +42,7 @@ spec:
           requiredDuringSchedulingIgnoredDuringExecution:
           - labelSelector:
               matchExpressions:
-                - key: component
+                - key: app.kubernetes.io/part-of
                   operator: In
                   values:
                     - rails