[Unit]
Description=Apache Tomcat 8.5 Web Application Container
Wants=network.target
After=network.target

[Service]
Type=forking

Environment=JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-amd64/jre
Environment=CATALINA_PID=/opt/tomcat/temp/tomcat.pid
Environment=CATALINA_HOME=/opt/tomcat
Environment='CATALINA_OPTS=-Djava.net.preferIPv4Stack=true'
Environment='JAVA_OPTS=-Djava.awt.headless=true -Xms4G -Xmx4G -XX:+UseG1GC -XX:+PrintGCTimeStamps -XX:+PrintGCDetails -Xloggc:${CATALINA_BASE}/logs/tomcat-gc_$(date +%%Y%%m%%d.%%H%%M%%S).log
-Dconf.dir=%CHEMIN_VERs_LE_STORAGE//conf -Dfile.encoding=UTF8'

ExecStart=/opt/tomcat/bin/startup.sh
ExecStop=/opt/tomcat/bin/shutdown.sh
SuccessExitStatus=143

User=tomcat
Group=tomcat
UMask=0007
RestartSec=10
Restart=always
LimitNOFILE=65536

[Install]
WantedBy=multi-user.target