A bash script to create server blocks. pass the server_name as a argv with the script.

nginx_bash.sh

#!/bin/bash
# created by goromlagche
DOMAIN=$1
FOLDER=$2

if [ -d /var/www/$DOMAIN ]; 
then
  sudo rm -rf /var/www/$DOMAIN
fi
sudo mv $FOLDER /var/www/$DOMAIN

sudo rm -rf savan_com* 
sudo chown -R ubuntu:www-data /var/www/$DOMAIN
if [ ! -f /etc/nginx/sites-available/$DOMAIN ];
then
sudo sh -c "echo '
    server {
    listen 80;
    server_name $DOMAIN;

    access_log /var/log/nginx/access.$DOMAIN.log;
    error_log /var/log/nginx/error.$DOMAIN.log;
 
    set "$"base /var/www/$DOMAIN;
    root "$"base;
    gzip on;
 
    #Max upload size
    client_max_body_size 75M;
    location / {                                                              
        try_files "$"uri "$"uri/index.html;                                         
    } 
}' >> /etc/nginx/sites-available/$DOMAIN"
sudo ln -s /etc/nginx/sites-available/$DOMAIN /etc/nginx/sites-enabled/
sudo service nginx reload
fi