diff --git a/src/main/cljc/dda/c4k_common/monitoring.cljc b/src/main/cljc/dda/c4k_common/monitoring.cljc
index 1effb82..45ad865 100644
--- a/src/main/cljc/dda/c4k_common/monitoring.cljc
+++ b/src/main/cljc/dda/c4k_common/monitoring.cljc
@@ -18,16 +18,15 @@
 (s/def ::node-regex string?)
 (s/def ::traefik-regex string?)
 (s/def ::kube-state-regex string?)
-
-(def config? (s/keys :req-un [::grafana-cloud-url
-                              ::cluster-name
-                              ::cluster-stage]))
-
-(def auth? (s/keys :req-un [::grafana-cloud-user ::grafana-cloud-password]))
-
-(def storage? (s/keys :opt-un [::pvc-storage-class-name]))
-
-(def filter-regex? (s/keys :req-un [::node-regex ::traefik-regex ::kube-state-regex]))
+(s/def ::config (s/keys :req-un [::grafana-cloud-url
+                                 ::cluster-name
+                                 ::cluster-stage]))
+(s/def ::auth (s/keys :req-un [::grafana-cloud-user 
+                               ::grafana-cloud-password]))
+(s/def ::storage (s/keys :opt-un [::pvc-storage-class-name]))
+(s/def ::filter-regex (s/keys :req-un [::node-regex 
+                                       ::traefik-regex 
+                                       ::kube-state-regex]))
 
 (def metric-regex {:node-regex
                    (str "node_cpu_sec.+|node_load[0-9]+|node_memory_Buf.*|node_memory_Mem.*|"
@@ -72,7 +71,7 @@
        (throw (js/Error. "Undefined Resource!")))))
 
 (defn-spec generate-stateful-set cp/map-or-seq?
-  [config storage?]
+  [config ::storage]
   (let [{:keys [pvc-storage-class-name]
          :or {pvc-storage-class-name :manual}} config]
     (->
@@ -80,8 +79,8 @@
      (assoc-in [:spec :volumeClaimTemplates 0 :spec :storageClassName] (name pvc-storage-class-name)))))
 
 (defn-spec generate-prometheus-config cp/map-or-seq?
-  [config config?
-   auth auth?]
+  [config ::config
+   auth ::auth]
   (let [{:keys [grafana-cloud-url cluster-name cluster-stage]} config
         {:keys [grafana-cloud-user grafana-cloud-password]} auth]
     (->
@@ -99,8 +98,8 @@
      (cm/replace-all-matching-values-by-new-value "FILTER_REGEX" filter-regex-string))))
 
 (defn-spec generate-config cp/map-or-seq?
-  [config config?
-   auth auth?]
+  [config ::config
+   auth ::auth]
   (->
    (yaml/load-as-edn "monitoring/prometheus/config.yaml")
    (assoc-in [:stringData :prometheus.yaml]
@@ -108,8 +107,8 @@
               (generate-prometheus-config config auth)))))
 
 (defn-spec generate cp/map-or-seq?
-  [config config?
-   auth auth?]
+  [config ::config
+   auth ::auth]
   [(yaml/load-as-edn "monitoring/namespace.yaml")
    (yaml/load-as-edn "monitoring/prometheus/cluster-role.yaml")
    (yaml/load-as-edn "monitoring/prometheus/cluster-role-binding.yaml")
diff --git a/src/test/cljc/dda/c4k_common/monitoring_test.cljc b/src/test/cljc/dda/c4k_common/monitoring_test.cljc
index cd240b0..76dfa2c 100644
--- a/src/test/cljc/dda/c4k_common/monitoring_test.cljc
+++ b/src/test/cljc/dda/c4k_common/monitoring_test.cljc
@@ -14,7 +14,7 @@
 (st/instrument `cut/generate-config)
 
 (def conf {:cluster-name "clustername"
-           :cluster-stage :test
+           :cluster-stage "test"
            :grafana-cloud-url "https://some.url/with/path"})
 
 (def auth {:grafana-cloud-user "user"
@@ -22,7 +22,7 @@
            :hetzner-cloud-ro-token "ro-token"})
 
 (def invalid-conf {:cluster-name "clustername"
-                   :cluster-stage :test
+                   :cluster-stage "test"
                    :grafana-clud-url "https://some.url/with/path"})
 
 (def invalid-auth {:grafana-cloud-user "user"
@@ -52,7 +52,7 @@
 
 (deftest should-generate-prometheus-external-labels
   (is (= {:cluster "clustername",
-          :stage :test}
+          :stage "test"}
          (get-in
           (cut/generate-prometheus-config conf auth)
           [:global :external_labels]))))