default

server {
    listen 7777;
    proxy_buffering off;
    location / {
            proxy_pass http://localhost:8866;
            proxy_set_header Host $host:$server_port;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "upgrade";
            proxy_read_timeout 86400;

            if ($request_method ~* "(GET|POST)") {
                add_header "Access-Control-Allow-Origin"  *;
            }

            if ($request_method = OPTIONS ) {
                add_header "Access-Control-Allow-Origin"  *;
                add_header "Access-Control-Allow-Methods" "GET, POST, OPTIONS, HEAD";
                add_header "Access-Control-Allow-Headers" "Authorization, Origin, X-Requested-With, Content-Type, Accept";
                return 200;
            }
    }

    client_max_body_size 100M;
    error_log /var/log/nginx/error.log;
}