update

ansible-setup_watchtower.yml

@@ -0,0 +1,19 @@
+---
+- name: Setup Watchtower Updater Script
+  hosts: all
+  become: true
+  tasks:
+    - name: Create watchtower updater script
+      ansible.builtin.copy:
+        dest: /usr/local/bin/docker-update
+        mode: '0755'
+        owner: root
+        group: root
+        content: |
+          #!/bin/bash
+          test -x "$(which docker)" || exit 1
+          docker run --rm \
+            -v /var/run/docker.sock:/var/run/docker.sock \
+            containrrr/watchtower \
+            --run-once
+          docker image prune -a