diff --git a/src/main/cljc/dda/c4k_common/postgres.cljc b/src/main/cljc/dda/c4k_common/postgres.cljc
index 79d534f..2615b15 100644
--- a/src/main/cljc/dda/c4k_common/postgres.cljc
+++ b/src/main/cljc/dda/c4k_common/postgres.cljc
@@ -23,9 +23,9 @@
 (s/def ::postgres-size postgres-size?)
 (s/def ::db-name cp/bash-env-string?)
 (defn pg-config? [input]
-  (s/keys :un-opt [::postgres-size ::db-name ::postgres-data-volume-path]))
+  (s/keys :opt-un [::postgres-size ::db-name ::postgres-data-volume-path]))
 (defn pg-auth? [input]
-  (s/keys :un-opt [::postgres-db-user ::postgres-db-password]))
+  (s/keys :opt-un [::postgres-db-user ::postgres-db-password]))
 
 (def postgres-function (s/keys :opt-un [::deserializer ::optional]))
 
@@ -44,18 +44,20 @@
        (throw (js/Error. "Undefined Resource!")))))
 
 (defn-spec generate-config cp/map-or-seq?
-  [& args pg-config?]
+  [& config (s/? pg-config?)]
   (let [{:keys [postgres-size db-name]
          :or {postgres-size :2gb
-              db-name "postgres"}} args]
+              db-name "postgres"}} (first config)]
     (->
-     (yaml/from-string (yaml/load-resource (str "postgres/config-" (name postgres-size) ".yaml")))
+     (yaml/from-string (yaml/load-resource
+                        (str "postgres/config-" (name postgres-size) ".yaml")))
      (assoc-in [:data :postgres-db] db-name))))
 
+
 (defn-spec generate-deployment cp/map-or-seq?
-  [& args postgres-image?]
+  [& config (s/? pg-config?)]
   (let [{:keys [postgres-image]
-         :or {postgres-image "postgres:13"}} args]
+         :or {postgres-image "postgres:13"}} (first config)]
     (->
      (yaml/from-string (yaml/load-resource "postgres/deployment.yaml"))
      (assoc-in [:spec :template :spec :containers 0 :image] postgres-image))))
@@ -72,7 +74,7 @@
   (yaml/from-string (yaml/load-resource "postgres/pvc.yaml")))
 
 (defn-spec generate-secret cp/map-or-seq? 
-  [my-auth pg-auth?]
+  [my-auth any?]
   (let [{:keys [postgres-db-user postgres-db-password]} my-auth]
     (->
      (yaml/from-string (yaml/load-resource "postgres/secret.yaml"))
diff --git a/src/test/clj/dda/c4k_common/yaml_test.clj b/src/test/clj/dda/c4k_common/yaml_test.clj
index 87be0ac..9a8f8bb 100644
--- a/src/test/clj/dda/c4k_common/yaml_test.clj
+++ b/src/test/clj/dda/c4k_common/yaml_test.clj
@@ -1,8 +1,10 @@
 (ns dda.c4k-common.yaml-test
   (:require
    [clojure.test :refer [deftest is are testing run-tests]]
-   [dda.c4k-common.yaml :as cut]
-   [orchestra.spec.test :as st]))
+   [orchestra.spec.test :as st]
+   [dda.c4k-common.yaml :as cut]))
+
+(st/instrument)
 
 (deftest should-dispatch-by-resource-name
   (is (= :clj
@@ -47,5 +49,3 @@
                 {:serviceName "another_keycloak"
                  :servicePort 8081}}]}}]}}
          (cut/from-string (cut/load-resource "test/ingress_test.yaml")))))
-
-(st/instrument)
diff --git a/src/test/cljc/dda/c4k_common/postgres_test.cljc b/src/test/cljc/dda/c4k_common/postgres_test.cljc
index 967476e..79bbf11 100644
--- a/src/test/cljc/dda/c4k_common/postgres_test.cljc
+++ b/src/test/cljc/dda/c4k_common/postgres_test.cljc
@@ -2,8 +2,11 @@
   (:require
    #?(:clj [clojure.test :refer [deftest is are testing run-tests]]
       :cljs [cljs.test :refer-macros [deftest is are testing run-tests]])
+   [orchestra.spec.test :as st]
    [dda.c4k-common.postgres :as cut]))
 
+(st/instrument)
+
 (deftest should-generate-config
   (is (= {:postgres-db "postgres"
           :postgresql.conf
@@ -12,11 +15,11 @@
   (is (= {:postgres-db "postgres"
           :postgresql.conf
           "max_connections = 700\nwork_mem = 3MB\nshared_buffers = 2048MB\n"}
-         (:data (cut/generate-config :postgres-size :8gb))))
+         (:data (cut/generate-config {:postgres-size :8gb}))))
   (is (= {:postgres-db "test"
           :postgresql.conf
           "max_connections = 100\nwork_mem = 4MB\nshared_buffers = 512MB\n"}
-         (:data (cut/generate-config :db-name "test"))))
+         (:data (cut/generate-config {:db-name "test"}))))
   )
 
 (deftest should-generate-persistent-volume
@@ -64,5 +67,5 @@
              :readOnly true}
             {:name "postgre-data-volume"
              :mountPath "/var/lib/postgresql/data"}]}]
-         (get-in (cut/generate-deployment :postgres-image "postgres:14")
+         (get-in (cut/generate-deployment {:postgres-image "postgres:14"})
                  [:spec :template :spec :containers]))))