NGINX proxy ile CORS ayarları nasıl yapılır? CORS hatası çözümü.

server {
  listen 80;
  server_name api.alanadi.com;
  return 301 https://$host$request_uri;
} 


server {

  listen 443; 
  ssl on; 
  ssl_certificate /etc/letsencrypt/live/alanadi.com/fullchain.pem;
  ssl_certificate_key /etc/letsencrypt/live/alanadi.com/privkey.pem; 
  access_log off;
  server_tokens off;
  error_log /tmp/log_nginx_err_apialanadicom.log debug; 
  root /home/ubuntu/api_alanadicom/; 

 location / { 
  add_header 'Access-Control-Allow-Origin' '*';
  add_header 'Access-Control-Allow-Credentials' 'true';
  add_header 'Access-Control-Allow-Headers' 'Authorization,Accept,Origin,DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Content-Range,Range';
  add_header 'Access-Control-Allow-Methods' 'GET,POST,OPTIONS,PUT,DELETE,PATCH'; 

 if ($request_method = 'OPTIONS') {
  return 204;
 } 

 proxy_redirect off;
 proxy_set_header Host '\$http_host';
 proxy_set_header X-Forwarded-For '\$proxy_add_x_forwarded_for';
 proxy_set_header X-Forwarded-Proto '\$http_x_forwarded_proto';
 proxy_pass http://0.0.0.0:8000;
 }


location /ws {
 proxy_http_version 1.1;
 proxy_set_header Upgrade $http_upgrade;
 proxy_set_header Connection "upgrade";
 proxy_read_timeout 86400;
 proxy_pass http://0.0.0.0:8000;
 } 


}

nginx -t

systemctl restart nginx