Change the nginx restart into a handler, to make it more reusable in other roles.

handlers/main.yml

@@ -8,3 +8,6 @@
   service: name=supervisor state=restarted
   sudo: yes
 
+- name: restart nginx
+  service: name=nginx state=restarted
+  sudo: yes

tasks/nginx.yaml

@@ -16,10 +16,7 @@
 - name: disable default configuration
   file: state=absent path=/etc/nginx/sites-enabled/default
   sudo: yes
-
+  notify: restart nginx
-- name: restart nginx
-  service: name=nginx state=restarted
-  sudo: yes
 
 - name: set nginx directories permissions
   file: path={{ item }} state=directory