Add desktop configuration

files/docker-daemon.json

@@ -0,0 +1,3 @@
+{
+    "data-root": "/mnt/docker"
+}

tasks/docker.yml

@@ -13,6 +13,12 @@
         dest: '/etc/subuid',
       }
 
+- name: setup desktop configuration
+  copy:
+    src: 'files/docker-daemon.json'
+    dest: '{{ xdg_config_dir }}/docker/daemon.json'
+  when: ansible_hostname == 'desktop'
+
 - name: ensure correct DOCKER_HOST is set
   lineinfile:
     path: '{{ ansible_env.HOME }}/.bashrc'