AWS Elastic Beanstalk
Developer Guide (API Version 2010-12-01)
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Bundling Multiple WAR Files for Tomcat Environments

If your web app comprises multiple web application components, you can simplify deployments and reduce operating costs by running components in a single environment, instead of running a separate environment for each component. This strategy is effective for lightweight applications that don't require a lot of resources, and for development and test environments.

To deploy multiple web applications to your environment, combine each components web application archive (WAR) files into a single source bundle.

To create an application source bundle that contains multiple WAR files, organize the WAR files using the following structure:

MyApplication.zip
├── .ebextensions
├── foo.war
├── bar.war
└── ROOT.war

When you deploy a source bundle containing multiple WAR files to an AWS Elastic Beanstalk environment, each application is accessible from a different path off of the root domain name. The preceding example includes three applications: foo, bar, and ROOT. ROOT.war is a special filename that tells Elastic Beanstalk to run that application at the root domain, so that the three applications are available at http://MyApplication.elasticbeanstalk.com/foo, http://MyApplication.elasticbeanstalk.com/bar, and http://MyApplication.elasticbeanstalk.com.

The source bundle can include only an optional .ebextensions folder and WAR files. The .ebextensions folder can contain configuration files that customize the resources deployed to your environment.

To launch an environment (console)

  1. Open the Elastic Beanstalk console with this preconfigured link: console.aws.amazon.com/elasticbeanstalk/home#/newApplication?applicationName=tutorials&environmentType=LoadBalanced

  2. For Platform, choose the platform that matches the language used by your application.

  3. For App code, choose Upload.

  4. Choose Local file, choose Browse, and open the source bundle.

  5. Choose Upload.

  6. Choose Review and launch.

  7. Review the available settings and choose Create app.

For information about creating source bundles, see Create an Application Source Bundle.