[Unit]
Description=Tomcat - instance
After=syslog.target network.target

[Service]
Type=forking

User=tomcat
Group=tomcat

WorkingDirectory=/srv/tomcat/config

Environment="JAVA_HOME=/etc/alternatives/jre"
Environment="JAVA_OPTS=-Djava.security.egd=file:///dev/urandom"

Environment="CATALINA_PID=/srv/tomcat/config/run/tomcat.pid"
Environment="CATALINA_BASE=/srv/tomcat/config"
Environment="CATALINA_HOME=/srv/tomcat/tomcat"
#alternativ wenn -Xmx4096m
Environment="CATALINA_OPTS=-Xms1024m -Xmx1024m -XX:PermSize=256m -XX:MaxPermSize=512m -server -XX:+UseParallelGC"

ExecStart=/srv/tomcat/tomcat/bin/startup.sh
ExecStop=/srv/tomcat/tomcat/bin/shutdown.sh

[Install]
WantedBy=multi-user.target