> For the complete documentation index, see [llms.txt](https://awsnotes.dendron.so/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://awsnotes.dendron.so/developer-tools/aws-codedeploy/topics/working-with-application-revisions.md).

# Working with application revisions

{% hint style="info" %}
This page was generated from content adapted from the [AWS Developer Guide](https://github.com/awsdocs/aws-codedeploy-user-guide.git)
{% endhint %}

## Add an AppSpec File

* **Note**\
  Deployments to Windows Server instances do not support the `runas` element. If you are deploying to Windows Server instances, do not include it in your AppSpec file.

## Choose a repository type

* **Note**\
  An AWS Lambda deployment works with an Amazon S3 repository only.

## Push a revision

* **Note**\
  CodeDeploy can also be used to deploy revisions that have been pushed to GitHub. For more information, see your GitHub documentation.
* **Note**\
  The `push` command bundles application artifacts and an AppSpec file into a revision. The file format of this revision is a compressed ZIP file. The command cannot be used with an AWS Lambda or an Amazon ECS deployment because each expects a revision that is a JSON-formatted or YAML-formatted AppSpec file.

## View application revision details

* **Note**\
  References to GitHub apply to deployments to EC2/On-Premises deployments only. Revisions for AWS Lambda deployments do not work with GitHub.

## Register an application revision

* **Note**\
  AWS Lambda deployments do not work with GitHub.


---

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