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Created Apr 13, 2020
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Check what makes your Docker image fat
# The command to see the space used under each directory is `du -sh /*`
# The `2> /dev/null` at the end is to avoid get lost with a lot of minor errors.
# For the example 'mydockerimage' is the name of the Docker image to be checked.
# Another way is to use Dive (, a really nice tool for this.
docker run --rm -u root --entrypoint "" mydockerimage du -sh /* 2> /dev/null
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