Add script to update containers

This is an attended update, which is better. Eventually replace watchtower

ansible/roles/docker_cleanup/files/docker-utils/update-all

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+set -e
+
+for compose_file in /opt/**/docker-compose.yml; do
+    if [[ $(docker-compose -f "$compose_file" ps -q) ]]; then
+        echo "> Updating $compose_file"
+        docker-compose -f "$compose_file" pull
+        docker-compose -f "$compose_file" up -d --remove-orphans
+    else
+        echo "> Skipping $compose_file as it's not running."
+    fi
+done