diff --git a/install/ansible/roles/docker/defaults/main.yml b/install/ansible/roles/docker/defaults/main.yml
new file mode 100644
index 0000000..338d16e
--- /dev/null
+++ b/install/ansible/roles/docker/defaults/main.yml
@@ -0,0 +1,6 @@
+docker_extra: ""
+
+centos_files: [
+  { src: "docker.centos.repo", dest: "/etc/yum.repos.d/docker.repo" },
+  { src: "docker.centos.service", dest: "/lib/systemd/system/docker.service" },
+]
\ No newline at end of file