We should be able to see the JRebel version and licensing information. We can verify that the JRebel configuration has been included in Tomcat by checking the startup logs. ĭocker run -i -t -d -name mytomcat -p 8080:8080 your_repository/tomcat-jrebel if you want to add your list of users, then copy the your version of tomcat-users.xml to the Tomcat config directory by adding this line to the Dockerfile:ĪDD tomcat-users.xml /usr/local/tomcat/conf/Ģ.3 Build and run the customized Tomcat server (using your own repository name, image name and container name to replace the values in this example).ĭocker build -t your_repository/tomcat-jrebel. You can use a different directory, as long as the -javaagent configuration can find it.Īlso you can take this opportunity to do further customizations on the Tomcat server, e.g. Note that for simplicity, I have just added the JRebel agent to the directory /jrebel. So what we want to do is to create a custom docker image, based on the Tomcat image, which incorporates the JRebel configuration.Ģ.1 Create an empty directory and copy the JRebel agent jrebel.jar to it.Ģ.2 Create a Dockerfile to build your custom Tomcat image, for example: There are generic instructions on JRebel remoting, which we can adapt to do it in a docker environment. Since we are using docker to run the application server, then we will need to run JRebel in remote mode.
You can find the list in the Tomcat docker repository:Ģ. Here xxx is the specific version of Tomcat you want to use as the base image, e.g. Get the base Tomcat docker image from the docker hub.
#Jrebel install install#
(Note that for Tomcat 8, please use the legacy version of jrebel.jar which is found in the lib sub-directory of the zip archive.) Install JRebel in the Application Serverġ. You can either get this from the JRebel plugin you have just installed into Eclipse (look for the section titled ‘Where do I find jrebel.jar?’) We need the JRebel agent (jrebel.jar) to install into Tomcat. For Eclipse, follow these instructions just to install and activate JRebel for the IDE:Ģ. I’m using the Eclipse IDE, but there are instructions on the ZeroTurnaround website on using a different IDE or for installing it standalone.ġ. the ‘official’ Tomcat 8 image from the Docker hub.This article assumes a basic knowledge of using docker. It’s fairly straightforward to install JRebel to run on a local instance of Tomcat, here is one way of installing it on Tomcat running in a docker container instead.
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