Fix mount_group variable type

galaxy.yml

@@ -3,7 +3,7 @@
 namespace: uumas
 name: docker
 description: Roles for installing services in docker containers
-version: 0.10.0
+version: 0.10.1
 readme: README.md
 repository: https://git.uumas.fi/uumas/ansible-docker
 license_file: LICENSE

roles/service/tasks/mounts.yml

@@ -5,8 +5,8 @@
   block:
     - name: Define mount directory owner
       set_fact:
-        mount_owner: "{{ user.uid if docker_host_user else image_user }}"
+        mount_owner: "{{ user.uid | string if docker_host_user else image_user }}"
-        mount_group: "{{ user.group if docker_host_user else '' }}"
+        mount_group: "{{ user.group | string if docker_host_user else '' }}"
 
     - name: "Create docker bind mount directories for {{ docker_service_name }}"
       file: