Docker Tomcat编辑扩展的War文件 [英] Docker tomcat edit expanded war files

问题描述

我正在使用docker部署运行第三方 war 文件的tomcat容器。

I am using docker to deploy a tomcat container running a third party war file.

我的 Dockerfile 看起来像这样

FROM tomcat:7-jre8

ADD my.war ${CATALINA_HOME}/webapps/my.war 

我运行时容器tomcat在运行时扩展了我的 war ，我可以通过 http：//my.ip.addr：8080 / mywar / 。

When I run the container tomcat expands my war at runtime and I can happily access my app at http://my.ip.addr:8080/mywar/.

但是我的问题是我想在 war 。我真的不想解压缩并重新打包 war 文件，因为这看起来很杂乱且难以维护。

However my problem is that I want to edit a couple of the config files within the war. I don't really want to unpack and repack the war file as that seems messy and hard to maintain.

我希望能够告诉tomcat扩展 war 作为我的 RUN 步骤的一部分，然后使用 ADD 放入我的自定义文件中，但我似乎找不到解决方法。只有执行 CMD 之后，战争才会扩大，然后我再也无法编辑文件。

I was hoping to be able to tell tomcat to expand the war as part of my RUN steps and then use ADD to put in my custom files but I can't seem to find a way of doing this. The war only gets expanded when the CMD executes and then I can't edit the files after that.

推荐答案

我不确定您将如何使用docker或其他工具来实现它，因为我仍然看不到要tomcat在战争真正开始之前就扩大战争。但是按照标准惯例，爆发战争并调整内容并不是一个好主意。

I am not sure exactly how you would achieve it with docker or anything else, as i dont see anyway to ask tomcat to just expand the war before it actually starts. But as per standard practices its not a good idea to explode a war and tweak the contents. It kills the entire purpose of making a war.

相反，您应该更改应用程序以从<<读取配置。 TOMCAT_HOME >> / conf。

Rather you should make changes to the app to read configuration from << TOMCAT_HOME >>/conf.

如果实现了这一点，您唯一需要告诉Docker的就是将配置文件添加到容器tomcat conf文件夹中。

If you achieve this the only thing you will need to tell Docker is to ADD your configuration file to the containers tomcat conf folder.

或者如果您必须篡改war文件，可以执行以下操作：
在构建计算机上手动（或通过脚本）展开战争，然后映射文件夹，而不是直接向docker映像添加战争。
这样的东西

Or if it is a must for you to tamper with war file this is what you can do: Explode the war manually (or by script) on your build machine and instead of adding war directly to the docker image, map the folder. Something like this

添加./target/app-0.1.0.BUILD-SNAPSHOT/var/lib/jetty/webapps/ROOT。

ADD ./target/app-0.1.0.BUILD-SNAPSHOT /var/lib/jetty/webapps/ROOT.

，然后手动将所有文件添加到所需的目的地。

And then manually add all your files to desired destinations.

ADD login.jsp / var / lib / jetty / webapps / ROOT / Webapps，依此类推。

ADD login.jsp /var/lib/jetty/webapps/ROOT/Webapps, so on and so forth.

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