refactor docker_engine dependency

molecule/centos7/converge.yml

@@ -1,20 +1,13 @@
 ---
-- name: Converge (Stage 1)
+- name: Converge
   hosts: all
+  environment:
+    PYTHONPATH: /opt/python2/ansible-deps/lib/python2.7/site-packages
   vars:
     dockerengine_packages_extra:
       - epel-release
       - python-pip
       - python-virtualenv
-
-  roles:
-    - role: xoxys.docker_engine
-
-- name: Converge (Stage 2)
-  hosts: all
-  environment:
-    PYTHONPATH: /opt/python2/ansible-deps/lib/python2.7/site-packages
-  vars:
     postgres_repository_enabled: True
     postgres_connection_addresses:
       - "{{ ansible_docker0.ipv4.address }}"
@@ -36,5 +29,6 @@
     bitwardenrs_db_server: "{{ ansible_docker0.ipv4.address }}"
 
   roles:
+    - role: xoxys.docker_engine
     - role: xoxys.postgres
     - role: xoxys.bitwardenrs_docker