diff --git a/README.md b/README.md
index cf948d5..2eaa68e 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,12 @@ The infrastructure repositories should contain all information about the infrast
 
 - [infra-terraform-modulelibrary](https://xwr.visualstudio.com/jambor.pro/_git/infra-terraform-modulelibrary): We are maintaining Terraform modules which should ensure constant quality and improvement.
 
+### Application repositories
+
+The application repositories should contain all information about the applications we are providing.
+
+- [app-docker-compose](https://xwr.visualstudio.com/jambor.pro/_git/app-docker-compose): We are maintaining Docker Compose files which contain the configuration for the applications we are providing.
+
 ### CI/CD repositories
 
 The CI/CD repositories should contain all information about the CI/CD pipelines we are using.
diff --git a/resources/diagrams/engineer-portal-structure.png b/resources/diagrams/engineer-portal-structure.png
index 74f5c5a..331cf29 100644
Binary files a/resources/diagrams/engineer-portal-structure.png and b/resources/diagrams/engineer-portal-structure.png differ
diff --git a/resources/diagrams/engineer-portal-structure.puml b/resources/diagrams/engineer-portal-structure.puml
index dfb189b..7817a47 100644
--- a/resources/diagrams/engineer-portal-structure.puml
+++ b/resources/diagrams/engineer-portal-structure.puml
@@ -18,6 +18,9 @@ rectangle "Engineer Portal Structure" as Structure {
         rectangle "infra-terraform-modulelibrary\n- Azure Modules\n- IaC consumer examples" as Terraform
         rectangle "infra-ansible-...\n- ...adoconfiguration\n- ...developersetup\n- ...serverconfiguration" as Ansible
     }
+    rectangle "Applications repositories" <<Applications>> {
+        rectangle "app-docker-compose\n- nextcloud\n- ..." as DockerCompose
+    }
     rectangle "CI/CD repositories" <<CICD>> {
         rectangle "cicd-pipeline-library\n- YAML Definitions\n- Build Configs" as CICD
     }
diff --git a/service-catalogue.md b/service-catalogue.md
new file mode 100644
index 0000000..5d4e05e
--- /dev/null
+++ b/service-catalogue.md
@@ -0,0 +1,22 @@
+# Service Catalogue
+
+This repository contains the service catalogue for automating various services. Each service is defined and automated as a process.
+
+## Clusters
+
+- Infrastructure Management
+  - Virtual Machine Management
+    - Provisioning incl. Monitoring
+    - Update
+    - Backup
+    - Decommissioning
+  - Container Management
+- Security and Connectivity Management
+  - Network Management
+  - Security Management
+  - Identity and Access Management / User Management
+- Application Management
+  - Application Deployment incl. Monitoring
+  - Application Update
+  - Application Backup
+  - Application Decommissioning