add caching feature

tasks/main.yml

@@ -42,6 +42,15 @@
   notify:
   - restart nginx
 
+- name: create cache directories
+  with_dict: "{{ nginx.caches }}"
+  file:
+    path: "/var/cache/nginx/{{ item.key }}"
+    state: directory
+    mode: '0755'
+    owner: www-data
+    recurse: True
+
 - name: execute ssl template
   template:
     src: ssl_files.conf.j2
@@ -58,6 +67,7 @@
     - upstreams.conf
     - proxy.conf
     - maps.conf
+    - caches.conf
   template:
     src: "{{ item }}.j2"
     dest: "/etc/nginx/conf.d/{{ item }}"