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AWS Certified Developer - Associate Single choice
A developer is deploying a Node.js application to AWS Elastic Beanstalk. As part of the deployment, the developer needs to install specific OS-level packages on the underlying Amazon EC2 instances. How must the developer organize the application source bundle to execute these configuration changes automatically during deployment?
A Create a directory named .ebextensions at the root of the application source bundle and include a configuration file with the .config extension. expand_more
check_circle Correct Answer

Correct. AWS Elastic Beanstalk uses configuration files formatted in YAML or JSON with a .config extension. To deploy these configurations, the files must be placed in a directory named .ebextensions located exactly at the root of the application source bundle.

B Create a directory named .ebextensions within the src folder of the application and include a configuration file with the .config extension. expand_more
cancel Incorrect

Incorrect. The .ebextensions directory must be placed at the root level of the application source bundle. Elastic Beanstalk will not process it if it is nested inside a src folder or any other subdirectory.

C Create a buildspec.yml file at the root of the application source bundle and define the package installation steps in the install phase. expand_more
cancel Incorrect

Incorrect. The buildspec.yml file is a collection of build commands and related settings used by AWS CodeBuild to run a build, not natively by Elastic Beanstalk to configure the provisioned EC2 instances.

D Create a directory named eb-scripts at the root of the application source bundle and include a shell script with the .sh extension. expand_more
cancel Incorrect

Incorrect. Elastic Beanstalk does not look for an eb-scripts directory by default. While you can execute shell scripts, the standard and required structure for Elastic Beanstalk configuration files (such as packages, users, and services) is inside the .ebextensions folder at the root.

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