docs: updated readme with docker and ansible

README.md

@@ -4,6 +4,10 @@ This repository contains Terraform configurations for provisioning infrastructur
 
 All sensitive information (e.g. SSH key files, passwords) and custom values are handled using Terraform variables stored in a separate file.
 
+## Docker Image Build and Deployment
+
+- A "Hello World" Docker image is built using a Gitea Actions workflow.
+- The image is published to the Gitea package registry.
 
 ## Provioning with Terraform
 
@@ -89,4 +93,10 @@ graph TD
     - no password prompt.
 - VM private IP addresses are stored in the `vm_info.txt` file.
 
-## VM Configuration with Ansible
+## VM Configuration with Ansible
+
+Ansible is used to configure the provisioned VMs:
+
+- Docker is installed using a custom-made Ansible role.
+- The previously built Docker image is pulled from the Gitea registry.
+- The container is then started on the VMs.