diff --git a/roles/cloudflare-ddns/handlers/main.yml b/roles/cloudflare-ddns/handlers/main.yml
deleted file mode 100644
index b8c958c..0000000
--- a/roles/cloudflare-ddns/handlers/main.yml
+++ /dev/null
@@ -1,2 +0,0 @@
----
-# handlers file for cloudflare-ddns
diff --git a/roles/cloudflare-ddns/meta/main.yml b/roles/cloudflare-ddns/meta/main.yml
deleted file mode 100644
index 253dee9..0000000
--- a/roles/cloudflare-ddns/meta/main.yml
+++ /dev/null
@@ -1,11 +0,0 @@
-galaxy_info:
-  author: Jan Christian Grünhage
-  description: Cloudflare DDNS tool
-  license: AGPL-3.0-only
-  min_ansible_version: 2.10
-  platforms:
-  - name: VoidLinux
-    versions:
-    - all
-  galaxy_tags: []
-dependencies: []
diff --git a/roles/cloudflare-ddns/tasks/main.yml b/roles/cloudflare-ddns/tasks/main.yml
deleted file mode 100644
index 419766f..0000000
--- a/roles/cloudflare-ddns/tasks/main.yml
+++ /dev/null
@@ -1,19 +0,0 @@
----
-# tasks file for cloudflare-ddns
-- name: install cloudflare-ddns package
-  become: true
-  xbps:
-    name: cloudflare-ddns
-    state: present
-- name: template wrapper script
-  become: true
-  no_log: true
-  template:
-    src: wrapper.sh.j2
-    dest: /usr/local/bin/cloudflare-ddns-wrapper.sh
-    mode: 755
-- name: add cron job
-  become: true
-  cron:
-    name: cloudflare-ddns
-    job: /usr/local/bin/cloudflare-ddns-wrapper.sh
diff --git a/roles/cloudflare-ddns/templates/wrapper.sh.j2 b/roles/cloudflare-ddns/templates/wrapper.sh.j2
deleted file mode 100644
index 261ef8d..0000000
--- a/roles/cloudflare-ddns/templates/wrapper.sh.j2
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/sh
-exec /usr/bin/cloudflare-ddns \
-  --token {{ cloudflare_ddns_api_token }} \
-  --domain {{ cloudflare_ddns_domain }} \
-  --zone {{ cloudflare_ddns_zone }} \
-  --cache /tmp/cloudflare-ddns-ip-cache
diff --git a/roles/cloudflare-ddns/vars/main.yml b/roles/cloudflare-ddns/vars/main.yml
deleted file mode 100644
index 959be23..0000000
--- a/roles/cloudflare-ddns/vars/main.yml
+++ /dev/null
@@ -1,2 +0,0 @@
----
-# vars file for cloudflare-ddns
diff --git a/roles/cloudflare-ddns/README.md b/roles/cloudflare_ddns_service/README.md
similarity index 52%
rename from roles/cloudflare-ddns/README.md
rename to roles/cloudflare_ddns_service/README.md
index caccc2c..8ae5c43 100644
--- a/roles/cloudflare-ddns/README.md
+++ b/roles/cloudflare_ddns_service/README.md
@@ -1,40 +1,30 @@
-cloudflare-ddns
-===============
+# `jcgruenhage.cloudflare_ddns_service`
 
-Dynamic DNS using Cloudflare.
+Dynamic DNS using Cloudflare, running in Docker.
 
-Requirements
-------------
-
-VoidLinux, as the tool is not packaged for other distros, and installing using cargo isn't supported yet.
-
-Role Variables
---------------
+## Role Variables
 
 - **cloudflare_ddns_api_token**: API token with access to the zone
 - **cloudflare_ddns_domain**: Domain for which to update the record
 - **cloudflare_ddns_zone**: Zone which contains the domain
+- **cloudflare_ddns_ipv4**: Whether to set v4 record, defaults to true
+- **cloudflare_ddns_ipv6**: Whether to set v6 record, defaults to false
 
-Example Playbook
-----------------
+## Example Playbook
 
 ```yaml
 - hosts: servers
-  collections:
-  - jcgruenhage.base
   roles:
-  - role: cloudflare-ddns
+  - role: jcgruenhage.base.cloudflare_ddns_service
     cloudflare_ddns_api_token: your-token-here
     cloudflare_ddns_zone: example.org
     cloudflare_ddns_domain: host.example.org
 ```
 
-License
--------
+## License
 
-AGPL-3.0-only
+CNPLv7+
 
-Author Information
-------------------
+## Author Information
 
 Jan Christian Grünhage <jan.christian@gruenhage.xyz>
diff --git a/roles/cloudflare-ddns/defaults/main.yml b/roles/cloudflare_ddns_service/defaults/main.yml
similarity index 100%
rename from roles/cloudflare-ddns/defaults/main.yml
rename to roles/cloudflare_ddns_service/defaults/main.yml
diff --git a/roles/cloudflare_ddns_service/handlers/main.yml b/roles/cloudflare_ddns_service/handlers/main.yml
new file mode 100644
index 0000000..726f48a
--- /dev/null
+++ b/roles/cloudflare_ddns_service/handlers/main.yml
@@ -0,0 +1,9 @@
+---
+# handlers file for cloudflare-ddns
+- name: Restart cloudflare-ddns-service
+  become: true
+  community.docker.docker_container:
+    name: cloudflare-ddns-service
+    restart: true
+    state: started
+  listen: restart-cloudflare-ddns-service
diff --git a/roles/cloudflare_ddns_service/meta/main.yml b/roles/cloudflare_ddns_service/meta/main.yml
new file mode 100644
index 0000000..0cccf62
--- /dev/null
+++ b/roles/cloudflare_ddns_service/meta/main.yml
@@ -0,0 +1,11 @@
+galaxy_info:
+  author: Jan Christian Grünhage
+  description: Cloudflare DDNS service, hosted in a container
+  license: CNPLv7+
+  min_ansible_version: "2.10"
+  platforms:
+    - name: Debian
+      versions:
+        - bullseye
+  galaxy_tags: []
+dependencies: []
diff --git a/roles/cloudflare_ddns_service/tasks/main.yml b/roles/cloudflare_ddns_service/tasks/main.yml
new file mode 100644
index 0000000..61fad61
--- /dev/null
+++ b/roles/cloudflare_ddns_service/tasks/main.yml
@@ -0,0 +1,41 @@
+---
+# tasks file for cloudflare-ddns
+- name: Create cloudflare-ddns-service user
+  become: true
+  ansible.builtin.user:
+    name: cloudflare-ddns-service
+    system: true
+  register: cloudflare_ddns_user_result
+- name: Create config and cache dirs
+  become: true
+  ansible.builtin.file:
+    path: "{{ item }}"
+    state: directory
+    owner: "{{ cloudflare_ddns_user_result.name }}"
+    group: "{{ cloudflare_ddns_user_result.group }}"
+    mode: 0700
+  loop:
+    - "/etc/cloudflare-ddns-service"
+    - "/var/cache/cloudflare-ddns-service"
+- name: Template config file
+  become: true
+  ansible.builtin.copy:
+    content: "{{ cloudflare_ddns_config | to_nice_yaml }}"
+    dest: /etc/cloudflare-ddns-service/config.yaml
+    owner: "{{ cloudflare_ddns_user_result.name }}"
+    group: "{{ cloudflare_ddns_user_result.group }}"
+    mode: 0600
+  notify: restart-cloudflare-ddns-service
+- name: Start cloudflare-ddns-service container
+  become: true
+  community.docker.docker_container:
+    name: cloudflare-ddns-service
+    image: git.jcg.re/jcgruenhage/cloudflare-ddns-service:v0.5.1
+    volumes:
+      - "/etc/cloudflare-ddns-service:/etc/cloudflare-ddns-service:ro"
+      - "/var/cache/cloudflare-ddns-service:/var/cache/cloudflare-ddns-service"
+    env:
+      RUST_LOG: INFO
+    user: "{{ cloudflare_ddns_user_result.uid }}:{{ cloudflare_ddns_user_result.group }}"
+    network_mode: host
+    restart_policy: unless-stopped
diff --git a/roles/cloudflare_ddns_service/vars/main.yml b/roles/cloudflare_ddns_service/vars/main.yml
new file mode 100644
index 0000000..18c4bf6
--- /dev/null
+++ b/roles/cloudflare_ddns_service/vars/main.yml
@@ -0,0 +1,9 @@
+---
+# vars file for cloudflare-ddns
+cloudflare_ddns_config:
+  api_token: "{{ cloudflare_ddns_api_token }}"
+  domain: "{{ cloudflare_ddns_domain }}"
+  zone: "{{ cloudflare_ddns_zone }}"
+  ipv4: "{{ cloudflare_ddns_ipv4 | default(true) }}"
+  ipv6: "{{ cloudflare_ddns_ipv6 | default(false) }}"
+  interval: 15