Disable IPv6 for Docker

roles/docker_services/files/dockerd/daemon.json

@@ -4,7 +4,5 @@
       "base": "172.17.0.0/16",
       "size": 24
     }
-  ],
-  "ipv6": true,
-  "fixed-cidr-v6": "fd00::/80"
+  ]
 }

roles/docker_services/handlers/main.yml

@@ -0,0 +1,8 @@
+# vim: ft=yaml.ansible
+---
+- name: Reload Docker daemon
+  ansible.builtin.service:
+    name: docker
+    enabled: true
+    state: reloaded
+  listen: reload-dockerd

roles/docker_services/tasks/config.yml

@@ -13,18 +13,14 @@
     dest: /etc/docker/daemon.json
     owner: root
     mode: u=rw,g=r,o=r
-  register: daemon_config
+  notify: reload-dockerd
 
-- name: (Re)start Docker daemon
-  ansible.builtin.service:
-    name: docker
-    enabled: true
-    state: "{{ 'restarted' if daemon_config.changed else 'started' }}"
+- name: Flush handlers
+  ansible.builtin.meta: flush_handlers
 
 - name: Create Docker network for services
   community.docker.docker_network:
     name: services
-    enable_ipv6: true
     state: present
 
 - name: Create Docker network for Tor