upstream api {
  server 10.5.5.9:8080;
}

server {
  listen 80;
  server_name localhost;

  add_header 'Access-Control-Allow-Origin' '*' always;
  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' always;
  add_header 'Access-Control-Allow-Methods' 'GET,POST,OPTIONS,PUT,DELETE,PATCH' always;

  location / {

    if ($request_method = 'OPTIONS') {
      add_header 'Access-Control-Max-Age' 1728000 always;
      add_header 'Access-Control-Allow-Origin' '*' always;
      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' always;
      add_header 'Access-Control-Allow-Methods' 'GET,POST,OPTIONS,PUT,DELETE,PATCH' always;
      return 204;
    }

    add_header 'Access-Control-Allow-Origin' '*' always;
    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' always;
    add_header 'Access-Control-Allow-Methods' 'GET,POST,OPTIONS,PUT,DELETE,PATCH' always;

    proxy_pass  http://10.5.5.9:8080/;
  }
}