diff --git a/argocd/apps/mattermost/mattermnost.yaml b/argocd/apps/mattermost/mattermnost.yaml
index 356c5bf..69d3f5c 100644
--- a/argocd/apps/mattermost/mattermnost.yaml
+++ b/argocd/apps/mattermost/mattermnost.yaml
@@ -27,38 +27,13 @@ spec:
             # traefik.ingress.kubernetes.io/router.middlewares: default-http-redirect@kubernetescrd
             cert-manager.io/cluster-issuer: lets-encrypt-staging
         
-        # Disable MySQL
         mysql:
-          enabled: false
-        
-        # Enable PostgreSQL
-        postgresql:
           enabled: true
-          auth:
-            username: mmdbuser
-            password: mmdbpwd
-            database: mattermost
-            postgresPassword: InnoHubDB_2025!
-          primary:
-            persistence:
-              enabled: true
-              size: 8Gi
-              # Optional: specify storageClass
-              # storageClass: ""
-        
-        # Disable External Database
-        externalDB:
-          enabled: false
-        
-        # Mattermost Configuration
-        configJSON:
-          ServiceSettings:
-            SiteURL: "https://mattermost.innovation-hub-niedersachsen.de"
-            ListenAddress: ":8065"
-          SqlSettings:
-            DriverName: "postgres"
-            # DataSource wird automatisch generiert vom Chart
-  
+          mysqlRootPassword: "mmROOT12345"
+          mysqlUser: "mmdbuser"
+          mysqlPassword: "mmdbpwd"
+          mysqlDatabase: mattermost
+          
   destination:
     server: 'https://kubernetes.default.svc'
     namespace: mattermost