RHEL7 - Create a simple web page

The script will create simple web page.
[root@server2 ~]# cat createweb.sh
#!/bin/bash
#
#
# Specify the parameters
domain_name=$1
domain_root=/var/www/html/$domain_name
myip=192.168.10.122
port=80

if [ $# -eq 0 ]
then
        echo "Please enter your domain name followed by script as command line parameter"
        exit
fi

echo "<virtualhost $myip:$port>" > /etc/httpd/conf.d/$domain_name.conf
echo "servername $domain_name" >> /etc/httpd/conf.d/$domain_name.conf
echo "documentroot /var/www/html/$domain_name" >> /etc/httpd/conf.d/$domain_name.conf
echo "directoryindex index.html" >> /etc/httpd/conf.d/$domain_name.conf
echo "</virtualhost>" >> /etc/httpd/conf.d/$domain_name.conf
echo

#mkdir /var/www/html/$domain_name
if [ ! -d "$domain_root" ]
then
        mkdir ${domain_root}
fi

#echo "Welcome to $domain_name" >/var/www/html/$domain_name/index.html
echo "Welcome to $domain_name" > ${domain_root}/index.html

echo "Now, checking httpd systax"
httpd -t
if [ $? -eq 0 ]
then
        systemctl restart httpd
        echo "Your website $domain_name  is configured successfully"
        echo $myip $domain_name >> /etc/hosts
else
        echo "Please check the config file for error"
fi

# firewall-cmd --list-all | grep http
# if [ $? -ne 0 ]
# then
#
#       firewall-cmd --permanent --add-service=http
#       firewall-cmd --reload
#fi

# nothing needed for else statement

[root@server2 ~]#