feat(ente): switch to DragonFly cache

ente/config/museum.yaml

@@ -14,6 +14,9 @@ apps:
   # set this to the URL where your albums web app is running.
   public-albums: https://albums.ente.icb4dc0.de
 
+cache:
+  type: redis
+  connectionString: redis://ente-musuem-cache:6379/0
 
 # Various low-level configuration options
 internal:

ente/resources/museum/deployment.yaml

@@ -3,7 +3,7 @@ kind: Deployment
 metadata:
   name: museum
 spec:
-  replicas: 1
+  replicas: 2
   revisionHistoryLimit: 3
   selector:
     matchLabels: