What is cookbook template (.erb)

A cookbook template is an Embedded Ruby (ERB) template that is used to dynamically generate static text files. Templates may contain Ruby expressions and statements, and are a great way to manage configuration files.

Use the template resource to add cookbook templates to recipes; place the corresponding Embedded Ruby (ERB) template file in a cookbook’s /templates directory. template resource would not work with chef-apply but can be used with chef-solo.

Use the template resource to manage the contents of a file using an Embedded Ruby (ERB) template by transferring files from a sub-directory of COOKBOOK_NAME/templates/ to a specified path located on a host that is running Chef Infra Client.

ERB Specification

Chef uses Erubis as its template language. It allows embedding pure Ruby code inside special symbols in the templates.

Reference

• https://docs.chef.io/templates/
• https://github.com/scmgalaxy/chef-repo
• https://docs.chef.io/resources/template/
• https://docs.aws.amazon.com/opsworks/latest/userguide/cookbooks-101-basics-attributes.html

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