Tomcat 9.0.31 on Centos 7

yum install -y java-1.8.0-openjdk-devel
useradd -m -U -d /opt/tomcat -s /bin/false tomcat
cd /tmp
yum install -y wget
wget https://www-eu.apache.org/dist/tomcat/tomcat-9/v9.0.31/bin/apache-tomcat-9.0.31.tar.gz
tar -xf apache-tomcat-9.0.31.tar.gz
mv apache-tomcat-9.0.31 /opt/tomcat/
ln -s /opt/tomcat/apache-tomcat-9.0.31/ /opt/tomcat/latest
chown -R tomcat: /opt/tomcat
sh -c 'chmod +x /opt/tomcat/latest/bin/*.sh'
cat > /etc/systemd/system/tomcat.service << EOL
[Unit]
Description=Tomcat 9 servlet container
After=network.target

[Service]
Type=forking

User=tomcat
Group=tomcat

Environment="JAVA_HOME=/usr/lib/jvm/jre"
Environment="JAVA_OPTS=-Djava.security.egd=file:///dev/urandom -Djava.net.preferIPv4Stack=true -Djava.net.preferIPv4Addresses=true"

Environment="CATALINA_BASE=/opt/tomcat/latest"
Environment="CATALINA_HOME=/opt/tomcat/latest"
Environment="CATALINA_PID=/opt/tomcat/latest/temp/tomcat.pid"
Environment="CATALINA_OPTS=-Xms512M -Xmx1024M -server -XX:+UseParallelGC"

ExecStart=/opt/tomcat/latest/bin/startup.sh
ExecStop=/opt/tomcat/latest/bin/shutdown.sh

[Install]
WantedBy=multi-user.target
EOL
systemctl daemon-reload
systemctl enable tomcat
systemctl start tomcat
firewall-cmd --zone=public --permanent --add-port=8080/tcp
firewall-cmd --reload