fix static nginx user/group

tasks/install.yml

@@ -33,8 +33,8 @@
     file:
       path: "{{ item }}"
       state: directory
-      owner: nginx
-      group: nginx
+      owner: "{{ nginx_user }}"
+      group: "{{ nginx_group }}"
       mode: 0750
     with_items:
       - "{{ nginx_vhosts_dir }}"
@@ -98,12 +98,12 @@
     template:
       src: var/www/vhosts/default/index.html.j2
       dest: /var/www/vhosts/default/index.html
-      owner: nginx
-      group: nginx
+      owner: "{{ nginx_user }}"
+      group: "{{ nginx_group }}"
       mode: 0750
   when: nginx_default_page_enabled
   become: True
-  become_user: nginx
+  become_user: "{{ nginx_user }}"
 
 - block:
   - name: Add default page configuration file