diff --git a/docker/nginx-sintonia.conf.template b/docker/nginx-sintonia.conf.template
index 5891db240..b603dadad 100644
--- a/docker/nginx-sintonia.conf.template
+++ b/docker/nginx-sintonia.conf.template
@@ -1,4 +1,3 @@
-
 server {
     listen ${SINTONIA_LARAVEL_PORT};
 
@@ -14,7 +13,17 @@ server {
     client_max_body_size 512M;
     client_body_timeout 300s;
 
+    add_header Access-Control-Allow-Origin *;
+    add_header Access-Control-Allow-Methods "GET, POST, OPTIONS, DELETE, PUT";
+    add_header Access-Control-Allow-Headers "Authorization, Content-Type, Accept";
+
     location / {
+        if ($request_method = 'OPTIONS') {
+            add_header Access-Control-Allow-Origin *;
+            add_header Access-Control-Allow-Methods "GET, POST, OPTIONS, DELETE, PUT";
+            add_header Access-Control-Allow-Headers "Authorization, Content-Type, Accept";
+            return 204;
+        }
         try_files $uri $uri/ /index.php?$query_string;
     }
 
@@ -28,6 +37,9 @@ server {
         fastcgi_param SCRIPT_FILENAME $realpath_root$fastcgi_script_name;
         fastcgi_param SERVER_NAME sintonia;
         include fastcgi_params;
+        add_header Access-Control-Allow-Origin *;
+        add_header Access-Control-Allow-Methods "GET, POST, OPTIONS, DELETE, PUT";
+        add_header Access-Control-Allow-Headers "Authorization, Content-Type, Accept";
     }
 
     location ~ /\.(?!well-known).* {