sso-poc-marn/nginx.conf

user www-data;
 worker_processes auto;
 pid /run/nginx.pid;
 include /etc/nginx/modules-enabled/*.conf;

 events {
     worker_connections 768;
 }

 http {
     server {
         listen 80;
         server_name yourdomain.com;

         location / {
             # other settings...
             # Allow CORS for all domains (or specify a particular domain instead of *)
             add_header 'Access-Control-Allow-Origin' '*';
             # Allow specific headers
             add_header 'Access-Control-Allow-Headers' 'Origin, X-Requested-With, Content-Type, Accept, Authorization';
             # Allow specific methods
             add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS';
             if ($request_method = 'OPTIONS') {
                 add_header 'Access-Control-Allow-Origin' '*';
                 add_header 'Access-Control-Allow-Headers' 'Origin, X-Requested-With, Content-Type, Accept, Authorization';
                 add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, DELETE, OPTIONS';
                 add_header 'Access-Control-Max-Age' 1728000;
                 add_header 'Content-Type' 'text/plain; charset=utf-8';
                 add_header 'Content-Length' 0;
                 return 204;
             }
         }
     }

     # Include other server and configuration files
     include /etc/nginx/conf.d/*.conf;
     include /etc/nginx/sites-enabled/*;
 }