ngnix-proxy.sh

echo "Enter service name: "  
read servicename 
echo "Enter the domain: "  
read domain 
echo "Enter port: "  
read port 
echo 'server {
    listen 80;
    server_name '$domain';

    location / {
        proxy_pass http://localhost:'$port';
        proxy_set_header Host $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 $scheme;
    }
}' > /etc/nginx/sites-available/$servicename
ln -s /etc/nginx/sites-available/$servicename /etc/nginx/sites-enabled/$servicename
service nginx configtest
service nginx restart