add static site support

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

@@ -33,14 +33,24 @@ server {
   ssl_stapling_verify on;
   server_name {{ inventory_hostname }};
 
-    location / {
-        client_max_body_size 512M;
-        proxy_pass http://localhost:3000;
-        proxy_set_header Connection $http_connection;
-        proxy_set_header Upgrade $http_upgrade;
-        proxy_set_header Host $host;
-        proxy_set_header X-Real-IP $remote_addr;
-        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
-        proxy_set_header X-Forwarded-Proto $scheme;
-    }
+  {% if not static_site %}
+  location / {
+    client_max_body_size 512M;
+    proxy_pass http://localhost:3000;
+    proxy_set_header Connection $http_connection;
+    proxy_set_header Upgrade $http_upgrade;
+    proxy_set_header Host $host;
+    proxy_set_header X-Real-IP $remote_addr;
+    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 %}
 }