Add docker-compose

roles/docker/tasks/install-docker-io.yml

@@ -5,3 +5,10 @@
     update_cache: yes
     pkg:
       - docker.io
+
+- name: Download docker-compose
+  become: yes
+  get_url:
+    url: https://github.com/docker/compose/releases/download/{{ docker.compose.version }}/docker-compose-Linux-x86_64
+    dest: /usr/local/bin/docker-compose
+    mode: 0755

roles/docker/vars/main.yml

@@ -0,0 +1,4 @@
+---
+docker:
+  compose:
+    version: 1.26.0