nginx/application: Fixed getting nameserver ips using ansible facts, not custom script

roles/nginx/application/tasks/main.yml

@@ -36,12 +36,14 @@
   with_items: "{{ nginx_snippets }}"
   notify: reload nginx
 
-- name: Retrieve dns resolver addresses
-  shell: >-
-    echo resolver $(awk 'BEGIN{ORS=" "} $1=="nameserver" {print $2}' /etc/resolv.conf) ';'
-    > {{ nginx_snippets_directory | quote }}/resolver.conf
-  args:
-    creates: "{{ nginx_snippets_directory }}/resolver.conf"
+- name: Configure dns resolver addresses for nginx
+  copy:
+    content: |
+      resolver {{ ansible_dns.nameservers | ipwrap | join(' ') }};
+    dest: "{{ nginx_snippets_directory }}/resolver.conf"
+    owner: root
+    group: root
+    mode: u=rwx,g=rx,o=rx
   notify: reload nginx
 
 - name: Configure validation directory