fix: docker check

tasks/main.yml

 ---
 - name: Ensure Docker Is Installed
-  block:
-    - name: Fetch Package Facts
-      ansible.builtin.package_facts:
-        manager: auto
-
-    - name: Check Docker Package Exists
-      ansible.builtin.fail:
-        msg: Missing Docker Installation
-      when: "'docker' not in ansible_facts.packages"
+  ansible.builtin.command:
+    cmd: docker run --rm hello-world:latest
+  register: docker_output
+  failed_when: docker_output.rc != 0
 
 - name: Render Systemd-Unit File
   ansible.builtin.template: