install docker-compose and python dependencies

tasks/install.yml

@@ -1,9 +1,17 @@
 ---
 - block:
-    - name: Install docker engine
+    - name: Install docker engine packages
       package:
-        name: "{{ dockerengine_package }}"
+        name: "{{ item }}"
         state: installed
+      loop:
+        - "{{ dockerengine_package }}"
+        - docker-compose
+
+    - name: Install python dependencies
+      pip:
+        name:
+          - docker
 
     - name: Add docker group
       group: