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Lucee on Tomcat (JAR deployment)

Lucee CFML application engine running on Apache Tomcat J2EE application server

Features

Java optisation tweaks

Lucee 4's Java Agent is enabled for better memory management of compiled CFML code.

JVM is set to use /dev/urandom as an entropy source for secure random numbers to avoid blocking Tomcat on startup.

Tomcat is configured to skip the default scanning of Jar files on startup, significantly improving startup time.

Optimised for single-site application

The default configuration serves a single application for any hostname on the listening port. Multiple applications can be supported by editing the server.xml in the Tomcat config.

Session management

The default session type in Lucee is "cfml". This often causes issues for Lucee servers running in Docker containers. If you use CFML sessions you should set the session type to "j2ee" in a Lucee configuration file or Application.cfc.

Using this image

Accessing the service

The default configuration has Tomcat listening on port 8080 in the container.

This image exposes port 8080 to linked containers, however you must publish the ports if you wish to access them from the Docker host.

Accessing the Web admin

The Lucee admin URL is /lucee/admin/ from the exposed port. No admin passwords are set.

THIS IS NOT A SECURE CONFIGURATION FOR PRODUCTION ENVIRONMENTS! It is strongly recommended that you secure the container by:

  • Changing the server password
  • Using IP or URL filtering to restrict access to the Lucee web admin
  • Following recommended security practices such as the Lucee Lockdown Guide

Sample CFML page

The default webroot contains a simple "Hello world" index.cfm file which dumps the CFML server scope. This can be replaced with your own CFML code and assets in derived images.

Folder locations

Web root for default site: /var/www

Configuration folders:

  • Tomcat config: /usr/local/tomcat/conf
  • Lucee config for default site: /opt/lucee/web
  • Lucee server context: /opt/lucee/server/lucee-server/context

Log folders:

  • Tomcat logs: /usr/local/tomcat/logs
  • Lucee logs for default site: /opt/lucee/web/logs

Environment variables

The default image contains scripts that use the following environment variables if they are set in the container.

LUCEE_JAVA_OPTS: Additional JVM parameters for Tomcat. Used by /usr/local/tomcat/bin/setenv.sh. Default: "-Xms256m -Xmx512m -XX:MaxPermSize=128m".

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boomfish
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