What is Docker build cache and how does it work?
Docker build cache is a mechanism that stores intermediate layers of your Docker images. It speeds up the build process by reusing these layers when the same commands are executed again.
How can I clear the Docker build cache?
You can clear the Docker build cache by using the command docker builder prune
. This will remove all unused build cache.
Are there any downsides to using the build cache?
Yes, while the build cache speeds up builds, it can also lead to outdated layers if not managed properly, potentially causing issues.
Can I control the cache behavior in my Dockerfile?
Yes, you can control cache behavior using specific instructions like ARG
and LABEL
, which can invalidate the cache when their values change.
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