Add app label for all Gitea resources

This way one can address them all at once, like e.g. for Ark backups.

kubernetes/gitea-db.yaml

@@ -2,6 +2,8 @@ apiVersion: extensions/v1beta1
 kind: Deployment
 metadata:
   name: gitea-db
+  labels:
+    app: gitea
 spec:
   replicas: 1
   strategy:
@@ -10,6 +12,7 @@ spec:
     metadata:
       labels:
         name: gitea-db
+        app: gitea
     spec:
       containers:
       - env:
@@ -48,6 +51,7 @@ metadata:
   name: gitea-db-data
   labels:
     name: gitea-db-data
+    app: gitea
 spec:
   accessModes:
   - ReadWriteOnce
@@ -61,6 +65,7 @@ metadata:
   name: gitea-db
   labels:
     service: gitea-db
+    app: gitea
 spec:
   selector:
     name: gitea-db

kubernetes/gitea-server.yaml

@@ -2,12 +2,15 @@ apiVersion: extensions/v1beta1
 kind: Deployment
 metadata:
   name: gitea-server
+  labels:
+    app: gitea
 spec:
   replicas: 1
   template:
     metadata:
       labels:
         name: gitea-server
+        app: gitea
     spec:
       initContainers:
         - name: init-config
@@ -54,6 +57,8 @@ apiVersion: v1
 kind: PersistentVolumeClaim
 metadata:
   name: gitea-server-data
+  labels:
+    app: gitea
 spec:
   accessModes:
   - ReadWriteOnce
@@ -67,6 +72,7 @@ metadata:
   name: gitea-server
   labels:
     name: gitea-server
+    app: gitea
 spec:
   type: LoadBalancer
   # preserves the client source IP