diff --git a/project.clj b/project.clj
index ac6b3a7..90e0d00 100644
--- a/project.clj
+++ b/project.clj
@@ -5,7 +5,7 @@
             :url "https://www.apache.org/licenses/LICENSE-2.0.html"}
   :dependencies [[org.clojure/clojure "1.10.3"]
                  [org.clojure/tools.reader "1.3.6"]
-                 [org.domaindrivenarchitecture/c4k-common-clj "0.4.0"]
+                 [org.domaindrivenarchitecture/c4k-common-clj "1.0.0"]
                  [hickory "0.7.1"]]
   :target-path "target/%s/"
   :source-paths ["src/main/cljc"
diff --git a/src/main/cljc/dda/c4k_matomo/core.cljc b/src/main/cljc/dda/c4k_matomo/core.cljc
index caee14b..0487759 100644
--- a/src/main/cljc/dda/c4k_matomo/core.cljc
+++ b/src/main/cljc/dda/c4k_matomo/core.cljc
@@ -11,14 +11,21 @@
 (def config-defaults {:issuer :staging})
 
 (def config? (s/keys :req-un [::matomo/fqdn]
-                     :opt-un []))
+                     :opt-un [::matomo/issuer ::postgres/postgres-data-volume-path]))
 
-(def auth? (s/keys :req-un []))
+(def auth? (s/keys :req-un [::postgres/postgres-db-user ::postgres/postgres-db-password])) ;TODO add auth 
 
 (defn k8s-objects [config]
   (into
    []
-   (concat 
+   (concat
+    [(yaml/to-string (postgres/generate-config :postgres-size :2gb :db-name "shynet"))
+     (yaml/to-string (postgres/generate-secret config))]
+    (when (contains? config :postgres-data-volume-path)
+      [(yaml/to-string (postgres/generate-persistent-volume config))])
+    [(yaml/to-string (postgres/generate-pvc))
+     (yaml/to-string (postgres/generate-deployment :postgres-image "postgres:14"))
+     (yaml/to-string (postgres/generate-service))]
     [(yaml/to-string (matomo/generate-webserver-deployment))
      (yaml/to-string (matomo/generate-celeryworker-deployment))
      (yaml/to-string (matomo/generate-ingress config))
diff --git a/src/main/cljc/dda/c4k_matomo/matomo.cljc b/src/main/cljc/dda/c4k_matomo/matomo.cljc
index 9b05c85..87fa8f0 100644
--- a/src/main/cljc/dda/c4k_matomo/matomo.cljc
+++ b/src/main/cljc/dda/c4k_matomo/matomo.cljc
@@ -3,11 +3,11 @@
   [clojure.spec.alpha :as s]
   #?(:cljs [shadow.resource :as rc])
   [dda.c4k-common.yaml :as yaml]
-  [dda.c4k-common.common :as cm]))
+  [dda.c4k-common.common :as cm]
+  [dda.c4k-common.predicate :as pred]))
 
-(s/def ::fqdn cm/fqdn-string?)
-(s/def ::issuer cm/letsencrypt-issuer?)
-(s/def ::matomo-data-volume-path string?)
+(s/def ::fqdn pred/fqdn-string?)
+(s/def ::issuer pred/letsencrypt-issuer?)
 
 #?(:cljs
    (defmethod yaml/load-resource :matomo [resource-name]
diff --git a/valid-auth.edn b/valid-auth.edn
new file mode 100644
index 0000000..dc90ecb
--- /dev/null
+++ b/valid-auth.edn
@@ -0,0 +1,2 @@
+{:postgres-db-user "jira"
+ :postgres-db-password "jira-db-password"}
diff --git a/valid-config.edn b/valid-config.edn
new file mode 100644
index 0000000..fdf04df
--- /dev/null
+++ b/valid-config.edn
@@ -0,0 +1,3 @@
+{:fqdn "shynet-test.test.meissa-gmbh.de"
+ :issuer :staging 
+ :postgres-data-volume-path "/var/postgres"}