diff --git a/config/database.php b/config/database.php
index 8a9c595..f0b6dd4 100644
--- a/config/database.php
+++ b/config/database.php
@@ -46,11 +46,11 @@
         'mysql' => [
             'driver' => 'mysql',
             'url' => env('DATABASE_URL'),
-            'host' => getenv('DB_HOST', '127.0.0.1'),
-            'port' => getenv('DB_PORT', '3306'),
-            'database' => getenv('DB_DATABASE', 'forge'),
-            'username' => getenv('DB_USERNAME', 'forge'),
-            'password' => getenv('DB_PASSWORD', ''),
+            'host'      => env('DB_HOST', getenv('OPENSHIFT_MYSQL_DB_HOST')),
+            'database'  => env('DB_DATABASE', getenv('OPENSHIFT_APP_NAME')),
+            'username'  => env('DB_USERNAME', getenv('OPENSHIFT_MYSQL_DB_USERNAME')),
+            'password'  => env('DB_PASSWORD', getenv('OPENSHIFT_MYSQL_DB_PASSWORD')),
+            'port'      => env('DB_PORT', getenv('OPENSHIFT_MYSQL_DB_PORT')),
             'unix_socket' => env('DB_SOCKET', ''),
             'charset' => 'utf8mb4',
             'collation' => 'utf8mb4_unicode_ci',
diff --git a/openshift/config/06_sample-app.yaml b/openshift/config/06_sample-app.yaml
index 0e85cbb..88db180 100644
--- a/openshift/config/06_sample-app.yaml
+++ b/openshift/config/06_sample-app.yaml
@@ -26,27 +26,27 @@ spec:
                 configMapKeyRef:
                   name: sample-config
                   key: database-type
-            - name: DB_HOST
+            - name: OPENSHIFT_MYSQL_DB_HOST
               valueFrom:
                 configMapKeyRef:
                   name: sample-config
                   key: database-host
-            - name: DB_PORT
+            - name: OPENSHIFT_MYSQL_DB_PORT
               valueFrom:
                 configMapKeyRef:
                   name: sample-config
                   key: database-port-number
-            - name: DB_DATABASE
+            - name: OPENSHIFT_APP_NAME
               valueFrom:
                 configMapKeyRef:
                   name: sample-config
                   key: database-name
-            - name: DB_USERNAME
+            - name: OPENSHIFT_MYSQL_DB_USERNAME
               valueFrom:
                 configMapKeyRef:
                   name: mariadb-config
                   key: mariadb-user
-            - name: DB_PASSWORD
+            - name: OPENSHIFT_MYSQL_DB_PASSWORD
               valueFrom:
                 secretKeyRef:
                   name: mariadb-secret
diff --git a/openshift/config/11_sample_whitlist.yaml b/openshift/config/11_sample_whitlist.yaml
new file mode 100644
index 0000000..8a9a7db
--- /dev/null
+++ b/openshift/config/11_sample_whitlist.yaml
@@ -0,0 +1,15 @@
+apiVersion: route.openshift.io/v1
+kind: Route
+metadata:
+  name: sample-whitelist
+  namespace: uu-0219959
+  labels:
+    app: fsw-sample-app
+    app.kubernetes.io/part-of: fsw-sample-app
+  annotations:
+    haproxy.router.openshift.io/ip_whitelist: "131.211.0.0/16"
+spec:
+  host: app.openshift.fss.uu.nl
+  to:
+    name: nginx
+
diff --git a/openshift/openshift.env b/openshift/openshift.env
index 3c8a98e..ca1c81b 100644
--- a/openshift/openshift.env
+++ b/openshift/openshift.env
@@ -9,11 +9,6 @@ LOG_DEPRECATIONS_CHANNEL=null
 LOG_LEVEL=debug
 
 DB_CONNECTION=mysql
-DB_HOST=mariadb-sample
-DB_PORT=3306
-DB_DATABASE=development
-DB_USERNAME=development
-DB_PASSWORD=secret
 
 BROADCAST_DRIVER=log
 CACHE_DRIVER=file