why won't this handler thing work

roles/immortal/handlers/main.yml

@@ -0,0 +1,3 @@
+- name: restart ufw
+  service: name=ufw state=restarted
+  become: yes

roles/immortal/tasks/main.yml

@@ -54,7 +54,6 @@
 
     - name: Disable firewalld if RHEL based
       shell: "systemctl disable firewalld; systemctl stop firewalld"
-        
       when: ansible_os_family == "RedHat"
       
     - name: Ensure UFW is installed

setup.yml

@@ -1,20 +1,30 @@
 ---
 
 - hosts: all
+  handlers:
+    - import_tasks: handlers.yml
   vars_prompt:
     - name: password
       prompt: "Enter new root and admin password"
   roles:
    - immortal
+  become: yes
 
 - hosts: web
+  handlers:
+    - import_tasks: handlers.yml
   roles:
     - web
+  become: yes
 
 - hosts: database
+  handlers:
+    - import_tasks: handlers.yml
   roles:
     - database
+  become: yes
 
 - hosts: all
   roles:
-    - geerlingguy.docker
+    - geerlingguy.docker
+  become: yes