Explain how rebuild works with with docker build cache

[sansmoraxz]

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Code of Conduct

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What article on docs.github.com is affected?

https://docs.github.com/en/codespaces/developing-in-a-codespace/rebuilding-the-container-in-a-codespace

What part(s) of the article would you like to see updated?

Docker has a nifty little feature called cache mounts.

The current explanation says that it will reuse build layers while using custom Dockerfile. However no explanation is provided on how cache mounts work if at all, their constrains and such when triggering a normal rebuild.

Additional information

No response

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[nguyenalex836]

@sansmoraxz Thanks for opening this issue! I'll get this triaged for review ✨

[hubwriter]

@sansmoraxz - thanks for raising this issue. I feel that this is not a level of detail we need to go into in the "Rebuilding the container in a codespace" article. However, I'll run this by product management for a second opinion.

[gsosm0760]

Emeğinize sağlık

[GoOd91BoY]

I am not interested in Email please

[nguyenalex836]

Just wanted to check in on this issue 💛 @hubwriter has product management been able to provide their opinion on this?

[hubwriter]

@nguyenalex836 - Thanks for the bump. I'll check again.

[hubwriter]

Thanks for raising this PR. However, I'm going to close this out as this isn't a level of detail we want to go into in this article.