diff --git a/nginx.conf.sigil b/nginx.conf.sigil
index 805ea6df..b5a29c52 100644
--- a/nginx.conf.sigil
+++ b/nginx.conf.sigil
@@ -10,7 +10,7 @@
 
 location /graphql {
 
-	rewrite  ^/graphql/(.*)  /$1 break;
+    rewrite  ^/graphql/(.*)  /$1 break;
 
     gzip on;
     gzip_min_length  1100;
@@ -33,4 +33,34 @@ location /graphql {
     proxy_set_header X-Forwarded-Port {{ $.PROXY_X_FORWARDED_PORT }};
     proxy_set_header X-Forwarded-Proto {{ $.PROXY_X_FORWARDED_PROTO }};
     proxy_set_header X-Request-Start $msec;
+
+    if ($request_method = 'OPTIONS') {
+        add_header 'Access-Control-Allow-Origin' '*';
+        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
+        #
+        # Custom headers and headers various browsers *should* be OK with but aren't
+        #
+        add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range';
+        #
+        # Tell client that this pre-flight info is valid for 20 days
+        #
+        add_header 'Access-Control-Max-Age' 1728000;
+        add_header 'Content-Type' 'text/plain; charset=utf-8';
+        add_header 'Content-Length' 0;
+        return 204;
+     }
+
+     if ($request_method = 'POST') {
+        add_header 'Access-Control-Allow-Origin' '*' always;
+        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS' always;
+        add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range' always;
+        add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range' always;
+     }
+
+     if ($request_method = 'GET') {
+        add_header 'Access-Control-Allow-Origin' '*' always;
+        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS' always;
+        add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range' always;
+        add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range' always;
+     }
 }