Rebase Nagios on somebody else's container

Dude's pretty chill and I trust his work

roles/nagios/tasks/main.yml

@@ -5,7 +5,8 @@
 - name: docker deploy nagios
   docker_container:
     name: nagios
-    image: jasonrivers/nagios
+    #image: jasonrivers/nagios
+    image: manios/nagios:latest
     pull: yes
     restart_policy: unless-stopped
     state: started
@@ -13,6 +14,7 @@
       NAGIOSADMIN_USER: admin
       NAGIOSADMIN_PASS: "{{ nagios_admin_pass }}"
       NAGIOS_TIMEZONE: "{{ nagios_timezone }}"
+      NAGIOS_FQDN: nagios.desu.ltd
     networks:
       - name: web
         aliases: [ "nagios" ]