Add workaround.

roles/role_deploy_registry/tasks/main.yml

@@ -133,6 +133,14 @@
     enabled: true
   become: true
 
+# Workaround to prevent unexplained 503 error from reverse-proxy
+# after registry container restart
+- name: Restart reverse-proxy container service
+  ansible.builtin.systemd:
+    name: container-reverse-proxy
+    state: restarted
+  become: true
+
 - name: Add cloud.{{ DOMAIN }} to /etc/hosts
   ansible.builtin.lineinfile:
     path: "/etc/hosts"