Minor cleanup

roles/docker/defaults/main.yml

@@ -1,3 +1,3 @@
-docker_root: /var/lib/docker-compose
+docker_compose_root: /var/lib/compose
 docker_compose: /usr/bin/docker-compose
 docker_compose_service: compose

roles/docker/tasks/main.yml

@@ -6,7 +6,7 @@
 
 - name: Create docker-compose root
   file:
-    path: "{{ docker_root }}"
+    path: "{{ docker_compose_root }}"
     state: directory
 
 - name: Install docker-compose systemd service

roles/docker/templates/docker-compose.service.j2

@@ -6,7 +6,7 @@ After=docker.service
 [Service]
 Type=oneshot
 RemainAfterExit=true
-WorkingDirectory={{ docker_root }}/%i
+WorkingDirectory={{ docker_compose_root }}/%i
 ExecStart={{ docker_compose }} up -d --remove-orphans
 ExecStop={{ docker_compose }} down