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Further .dockerignore clarification

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Signed-off-by: Nelson Wolf <wolfprime@gmail.com>
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Nelson Wolf 2025-03-28 09:38:30 -07:00 • committed by GitHub
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@ -80,12 +80,13 @@ jobs:
tags: user/app:latest
```
Be careful because **any file mutation in the steps that precede the build step
will be ignored. Additionally the `.dockerignore` file is not used and can only be utilized by using path context.** since
the context is based on the Git reference. However, you can use the
[Path context](#path-context) using the [`context` input](#inputs) alongside
the [`actions/checkout`](https://github.com/actions/checkout/) action to remove
this restriction.
**Important Considerations for Git Context**
* **File Mutations** perfomred during your workflow will **not** be reflected in the final Docker image.
* **.dockerignore** is ignored altogether when using git context.
You can remove these limitations by using the [path context](#path-context) input alongside the [`actions/checkout`](https://github.com/actions/checkout/) action.
Default Git context can also be provided using the [Handlebars template](https://handlebarsjs.com/guide/)
expression `{{defaultContext}}`. Here we can use it to provide a subdirectory