Merge pull request #26 from jamesla/master

Add a docker_users variable

tasks/docker-users.yml

@@ -0,0 +1,7 @@
+---
+- name: Ensure docker users are added to the docker group.
+  user:
+    name: "{{ item }}"
+    group: docker
+    append: yes
+  with_items: "{{ docker_users }}"

tasks/main.yml

@@ -23,3 +23,6 @@
 
 - include_tasks: docker-compose.yml
   when: docker_install_compose
+
+- include: docker-users.yml
+  when: docker_users