add static site support

ansible/roles/nginx/tasks/templates/vhost_ssl.conf.j2

@@ -33,6 +33,7 @@ server {
   ssl_stapling_verify on;
   server_name {{ inventory_hostname }};
 
+  {% if not static_site %}
   location / {
     client_max_body_size 512M;
     proxy_pass http://localhost:3000;
@@ -43,4 +44,13 @@ server {
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
     proxy_set_header X-Forwarded-Proto $scheme;
  }
+ {% endif %}
+ {% if static_site %}
+  root /srv/http/{{ inventory_hostname }}/html;
+  index index.html;
+  error_page 404 /404.html;
+  location / {
+    try_files $uri $uri.html $uri/ =404;
+  }
+ {% endif %}
 }