What happens when you put your app in a Docker container
Where a Docker container keeps the files it writes
A Docker image is read-only. It never changes. Yet the app in a container saves files all day long. So where do those files go?
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1
Rono taps save, and his playlist appears on the request page. The container did save it, but where?
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2
Not in the image, that is sure. The layers under the container are just as they were, and the playlist is in none of them.
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