current state + english docs

playbooks/docker/cleanup-all.yml

@@ -1,5 +1,7 @@
 - name: Run Docker Cleanup (full)
   hosts: all
+  user: tincadmin
+  become: true
   tasks:
     - include_role:
         name: managed-mailcow

playbooks/docker/cleanup-images.yml

@@ -1,5 +1,7 @@
 - name: Clean Docker Images on Host
   hosts: all
+  user: tincadmin
+  become: true
   tasks:
     - include_role:
         name: docker

playbooks/docker/install-docker.yml

@@ -0,0 +1,11 @@
+- name: Install Docker on Host
+  hosts: all
+  user: tincadmin
+  become: true
+  tasks:
+    - include_role:
+        name: system
+        tasks_from: install-docker.yaml
+      vars:
+        docker_install_source: "official"
+