nginx/application: Fixed configuring resolver for OCSP Stapling

roles/nginx/application/tasks/main.yml

@@ -36,6 +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"
+  notify: reload nginx
+
 - name: Configure validation directory
   file:
     state: directory

roles/nginx/application/templates/global.conf

@@ -12,4 +12,4 @@ location = /robots.txt {
     access_log off;
 }
 
-resolver 127.0.0.1 [::1];
+include {{ nginx_snippets_directory }}/resolver.conf;