Nginx conf

gistfile1.txt

server {
    listen 4000;
    location /sockjs-node/ {
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass "http://localhost:3000/sockjs-node/";
    }

   location /ws {
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_pass "http://localhost:3000/ws";
    }

    location /api {
        proxy_pass http://localhost:8000;
    }

    location / {
        proxy_pass http://localhost:3000;
    }
}