sam-tomcat
Secure and Minimal Tomcat Docker-image. VAR_WEBAPPS_DIR needs to be set if you want to bind mount the webapps-directory.
Environment variables
Runtime variables with default value
- VAR_LINUX_USER="tomcat" (User running VAR_FINAL_COMMAND)
- VAR_FINAL_COMMAND="JRE_HOME="/usr/local" CATALINA_HOME="$CONTENTSOURCE1" CATALINA_TMPDIR="$VAR_TEMP_DIR" CATALINA_OPTS="$VAR_CATALINA_OPTS" JAVA_MAJOR=8 TOMCAT_MAJOR=9 CATALINA_OUT="$VAR_CATALINA_OUT" /usr/local/bin/catalina.sh run" (Command run by VAR_LINUX_USER)
- VAR_CONFIG_DIR="/etc/tomcat" (Directory containing configuration files)
- VAR_PREFS_DIR="$VAR_CONFIG_DIR/prefs"
- VAR_TEMP_DIR="/tmp/tomcat"
- VAR_MIN_MEM="128M"
- VAR_MAX_MEM="1024M"
- VAR_CATALINA_OPTS="-Xms$VAR_MIN_MEM -Xmx$VAR_MAX_MEM -Djava.awt.headless=true -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:ParallelGCThreads=4 -Dfile.encoding=UTF8 -Duser.timezone=GMT -Djavax.servlet.request.encoding=UTF-8 -Djavax.servlet.response.encoding=UTF-8 -Dorg.geotools.shapefile.datetime=true -server -Xrs -XX:PerfDataSamplingInterval=500 -Dorg.geotools.referencing.forceXY=true -XX:SoftRefLRUPolicyMSPerMB=36000 -XX:NewRatio=2 -XX:+CMSClassUnloadingEnabled -Djava.util.prefs.userRoot=$VAR_PREFS_DIR/.userPrefs -Djava.util.prefs.systemRoot=$VAR_PREFS_DIR"
- VAR_CATALINA_OUT="/dev/null"
- VAR_WITH_MANAGERS="true" (Set to false if you do not want to install the Tomcat admin-tools during new install)
Optional runtime variables
- VAR_WEBAPPS_DIR="<a directory>" (/webapps-nobind if not set)
- VAR_ROOT_APP="<a directory name>"
Capabilities
Can drop all but SETPCAP, SETGID and SETUID.