nginx proxy and rewrite

gistfile1.txt

server {
        listen 80 default_server;
        listen [::]:80 default_server;
        
        root /var/www/html;
        
        # Add index.php to the list if you are using PHP
        index index.html index.htm index.nginx-debian.html;
        
        server_name _;
        
        location / {
                # First attempt to serve request as file, then
                # as directory, then fall back to displaying a 404.
                try_files $uri $uri/ =404;
        }
        
        location /soap {
        # make sure the /path does not get send to the endpoint
        rewrite /soap(.*) /$1  break;

        proxy_pass http://127.0.0.1:8083;
        proxy_redirect     off;
        proxy_set_header   Host ws1.sotong.io;
        
        # rewrite all output from the process and replace self references with the host address
        sub_filter_once off;
        sub_filter_types text/xml;
        sub_filter "http://127.0.0.1:8083" "http://ws1.sotong.io";
    }
}