nginx.conf reverse proxy

nginx.conf

user www-data;
worker_processes auto;
pid /run/nginx.pid;
worker_rlimit_nofile 65535;
events { worker_connections 10000; }

http {
  map $http_upgrade $connection_upgrade {
        default upgrade;
        ‘’ close;
  }
  upstream polygon {
   server 127.0.0.1:26657;
  }

  upstream syn-polygon {
   server 127.0.0.1:8545/$2; max_conns=1000;
  }

  upstream syn-polygon-ws {
   server localhost:8546/$2; max_conns=1000;
  }

  server {
   listen 80;
   }

   location ^~ /ws/ {
   proxy_pass http://syn-polygon;
   proxy_http_version 1.1;
   proxy_set_header Upgrade $http_upgrade;
   proxy_set_header Connection $connection_upgrade;
   proxy_set_header Host $host;
   proxy_cache_bypass $http_upgrade;
   rewrite ^/(ws)/(.*)$ /$2 break;
   proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  }
  
   location ^~ /rpc/ {
   proxy_pass http://syn-polygon-ws;
   proxy_http_version 1.1;
   proxy_set_header Upgrade $http_upgrade;
   proxy_set_header Connection $connection_upgrade;
   proxy_set_header Host $host;
   proxy_cache_bypass $http_upgrade;
   rewrite ^/(ws)/(.*)$ /$2 break;
   proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  }

   location / {
     proxy_pass http://polygon;
     try_files $uri /index.html;
     proxy_set_header  Host        $http_host;
     proxy_set_header  X-Real-IP      $remote_addr;
     proxy_set_header  X-Forwarded-For   $proxy_add_x_forwarded_for;
     proxy_set_header  X-Forwarded-Proto  $scheme;
   }
  }
}
#sudo systemctl restart nginx.service && tail -f /var/log/nginx/access.log
#curl -vv http://localhost/ws