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Lucee CFML engine

Lucee CFML application engine running on Apache Tomcat J2EE application server

Features

Tomcat with Native Library and Java Agent

A compatible version of the Apache Tomcat Native Library is installed for better Tomcat performance in production environments.

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

Support for single-site and multiple-site applications

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.

baseimage-docker

This container uses baseimage-docker for their base image. This makes the image fairly large (600MB+) but provides a few benefits:

  • It handles the zombie reaping problem which can occur for applications that use cfexecute
  • It responds better to docker stop by signalling Tomcat and giving it some time to shut down cleanly.
  • You can use cron to schedule application cleanup tasks instead of the server's built-in task scheduler.

Template generators

These containers include two template generators:

Both of these generators can read environment variables and feed them as variables into their respective templates. They are useful for generating Lucee configuration files from template files either at build time (in a Dockerfile) or run time (in a startup script).

Using this image

Accessing the service

Tomcat listens on port 8888. This port is exposed to other containers. You must publish the port if you wish to browse to it from the Docker host.

Accessing the Web admin

The Lucee admin URL is /lucee/admin/ from the exposed port. The server password is 'docker'.

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 Web admin
  • Following recommended security practices such as the Lucee Lockdown Guide

Bundled application

The default site in the Lucee image contains the welcome application bundled with the installer so you can test it. This bundled application however is deleted from any derived images via an ONBUILD instruction in the Dockerfile so you can ADD your own CFML application to the same location in your own Dockerfiles.

Configuration and log folders

Folder locations:

  • Tomcat config: /opt/lucee/tomcat/conf
  • Tomcat logs: /opt/lucee/tomcat/logs
  • Web root for default site: /opt/lucee/tomcat/webapps/ROOT
  • Lucee config for default site: /opt/lucee/config/web/ROOT
  • Lucee logs for default site: /opt/lucee/config/web/ROOT/logs

Lucee stores its application configurations under WEB-INF by default. However storing the configurations under the web root may cause problems in development environments, so for the default site these have been moved to folders outside the web root.

The location of the application config for the default site is set in /opt/lucee/tomcat/webapps/ROOT/WEB-INF/web.xml. If you use your own web root make sure it includes a similar WEB-INF/web.xml file.

Setting JVM parameters

You can set the JVM parameters for Tomcat via the LUCEE_JAVA_OPTS environment variable.

For example, o run a Lucee container with an initial heap of 1GB and a maximum heap of 1.5GB:

sudo docker run -e LUCEE_JAVA_OPTS="-Xms1024m -Xmx1536m -XX:MaxPermSize=128m" boomfish/lucee-engine:4.5

The default value of LUCEE_JAVA_OPTS is "-Xms256m -Xmx512m -XX:MaxPermSize=128m".

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