diff --git a/src/main/cljc/dda/k8s_keycloak/core.cljc b/src/main/cljc/dda/k8s_keycloak/core.cljc
index 1eb6cef..32ce0ff 100644
--- a/src/main/cljc/dda/k8s_keycloak/core.cljc
+++ b/src/main/cljc/dda/k8s_keycloak/core.cljc
@@ -26,6 +26,11 @@
 
 (def auth? (s/keys :req-un [::user-name ::user-password]))
 
+
+(defn replace-values-in-vector
+  [map keys value]
+)
+
 (defn generate-config [my-config my-auth]
   (->
    (yaml/from-string (yaml/load-resource "config.yaml"))
@@ -68,6 +73,8 @@
                                 :http {:paths [{:backend {:serviceName "keycloak"
                                                           :servicePort 8080}}]}}]))))
 
+
+
 (defn generate-service []
   (yaml/from-string (yaml/load-resource "service.yaml")))
 
@@ -84,3 +91,5 @@
             (yaml/to-string (generate-service))
             "---"
             (yaml/to-string (generate-deployment my-auth))]))
+
+
diff --git a/src/test/cljc/dda/k8s_keycloak/core_test.cljc b/src/test/cljc/dda/k8s_keycloak/core_test.cljc
index bb73f45..2f0c543 100644
--- a/src/test/cljc/dda/k8s_keycloak/core_test.cljc
+++ b/src/test/cljc/dda/k8s_keycloak/core_test.cljc
@@ -2,7 +2,8 @@
   (:require
    #?(:clj [clojure.test :refer [deftest is are testing run-tests]]
       :cljs [cljs.test :refer-macros [deftest is are testing run-tests]])
-   [dda.k8s-keycloak.core :as cut]))
+   [dda.k8s-keycloak.core :as cut]
+   [dda.k8s-keycloak.yaml :as yaml]))
 
 (deftest should-generate-yaml
   (is (=  {:apiVersion "v1", :kind "ConfigMap"
@@ -81,4 +82,19 @@
                    {:name "PROXY_ADDRESS_FORWARDING", :value "true"}]
                  :ports [{:name "http", :containerPort 8080}]
                  :readinessProbe {:httpGet {:path "/auth/realms/master", :port 8080}}}]}}}}
-         (cut/generate-deployment {:user-name "testuser" :user-password "test1234"}))))
\ No newline at end of file
+         (cut/generate-deployment {:user-name "testuser" :user-password "test1234"}))))
+
+(deftest test-vector-replace-fqdn-function
+  (let [ingress-yaml (yaml/from-string (yaml/load-resource "ingress.yaml"))
+        fqdn "some_host"
+        desired-result (-> ingress-yaml 
+                           (assoc-in [:spec :rules] [{:host fqdn
+                                                      :http {:paths [{:backend {:serviceName "keycloak"
+                                                                                :servicePort 8080}}]}}
+                                                     {:host fqdn
+                                                      :http {:paths [{:backend {:serviceName "another_keycloak"
+                                                                                :servicePort 8081}}]}}]))]
+    (is (= desired-result (cut/replace-values-in-vector ingress-yaml [:spec :rules :host] fqdn))))
+    )
+
+
diff --git a/src/test/resources/ingress_test.yaml b/src/test/resources/ingress_test.yaml
new file mode 100644
index 0000000..ed5d4b0
--- /dev/null
+++ b/src/test/resources/ingress_test.yaml
@@ -0,0 +1,31 @@
+apiVersion: networking.k8s.io/v1beta1
+kind: Ingress
+metadata:
+  name: ingress-cloud
+  annotations:
+    cert-manager.io/cluster-issuer: letsencrypt-staging-issuer
+    nginx.ingress.kubernetes.io/proxy-body-size: "256m"
+    nginx.ingress.kubernetes.io/ssl-redirect: "true"
+    nginx.ingress.kubernetes.io/rewrite-target: /
+    nginx.ingress.kubernetes.io/proxy-connect-timeout: "300"
+    nginx.ingress.kubernetes.io/proxy-send-timeout: "300"
+    nginx.ingress.kubernetes.io/proxy-read-timeout: "300"
+  namespace: default
+spec:
+  tls:
+  - hosts:
+    - fqdn
+    secretName: keycloak-secret
+  rules:
+    - host: fqdn
+      http:
+        paths:
+        - backend:
+            serviceName: keycloak
+            servicePort: 8080
+    - host: fqdn
+      http:
+        paths:
+        - backend:
+            serviceName: another_keycloak
+            servicePort: 8081
\ No newline at end of file