Add user to docker group functionality

README.md

@@ -36,6 +36,12 @@ Docker Compose installation options.
 
 (Used only for RedHat/CentOS.) You can enable the Edge or Test repo by setting the respective vars to `1`.
 
+Set the docker_users variable to allow those users to run docker (these users are added to the docker group)
+
+    docker_users:
+      - Guy
+      - James
+
 ## Use with Ansible (and `docker` Python library)
 
 Many users of this role wish to also use Ansible to then _build_ Docker images and manage Docker containers on the server where Docker is installed. In this case, you can easily add in the `docker` Python library using the `geerlingguy.pip` role:

defaults/main.yml

@@ -17,3 +17,6 @@ docker_apt_repository: "deb https://download.docker.com/linux/{{ ansible_distrib
 docker_yum_repo_url: https://download.docker.com/linux/centos/docker-{{ docker_edition }}.repo
 docker_yum_repo_enable_edge: 0
 docker_yum_repo_enable_test: 0
+
+# Docker users
+docker_users: []

tasks/docker-users.yml

@@ -0,0 +1,6 @@
+---
+- name: Add users to docker group
+  user:
+    name: "{{ item }}"
+    group: docker
+  with_items: "{{ docker_users }}"