add watchtower container. elke dag om 5 uur worden de containers ge-update door watchtower indien nodig.

roles/watchtower/tasks/main.yml

@@ -0,0 +1,14 @@
+- name: Create app directory
+  file:
+    path: "{{ service_dir }}"
+    state: directory
+- name: Copy Docker Compose script
+  copy:
+    src: "{{ role_path }}/files/docker-compose.yml"
+    dest: "{{ service_dir }}/docker-compose.yml"
+- name: Start the Docker Compose
+  docker_compose:
+    project_src: "{{ service_dir }}"
+    pull: true
+    remove_orphans: true
+