diff --git a/roles/docker/defaults/main.yml b/roles/docker/defaults/main.yml
new file mode 100644
index 0000000..dce0498
--- /dev/null
+++ b/roles/docker/defaults/main.yml
@@ -0,0 +1,4 @@
+---
+
+docker_apt_repo: "deb https://apt.dockerproject.org/repo ubuntu-trusty main"
+