wildduck: Switch to KeyDB

wildduck/README.md

@@ -1,7 +1,7 @@
 To deploy replace the API secret in configmaps/webmail.yml and:
 
 ```
-kubectl -n wildduck apply --recursive -f namespace.yml -f webmail.yml -f redis.yml
+kubectl -n wildduck apply -f application.yml
 kubectl -n wildduck rollout restart deployment/webmail
 ```
 
@@ -10,8 +10,4 @@ To generate secrets:
 ```
  kubectl create secret generic -n wildduck wildduck \
     --from-literal=WILDDUCK_API_TOKEN=$(cat /dev/urandom | base64 | head -c 30)
- REDIS_PASSWORD=$(cat /dev/urandom | base64 | head -c 30)
- kubectl create secret generic -n wildduck redis-secrets \
-    --from-literal=REDIS_PASSWORD=$REDIS_PASSWORD \
-    --from-literal=REDIS_URL="redis://:$REDIS_PASSWORD@redis:6379/5"
 ```