Use with Ansible section work with minimal hosts

Some times when I get VM from some providers some extra packages are needed in order to make it working specially when OS is a little bit minimal

README.md

@@ -81,7 +81,13 @@ Many users of this role wish to also use Ansible to then _build_ Docker images a
 
   vars:
     pip_install_packages:
+      - name: wheel
+      - name: pip
+        state: latest
+      - name: setuptools
+      - name: cffi
       - name: docker
+      - name: dockerpty
 
   roles:
     - geerlingguy.pip