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`apt-get update` and `apt-get install` have to be executed at once, otherwise the update will be cached separately from the install which might cause caching issues (trying to install a package not available any more because update information is too old). See [docker best practices](https://docs.docker.com/engine/userguide/eng-image/dockerfile_best-practices/#/apt-get)
yours-truly-phil
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Jun 9, 2017
joelfogue
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Jul 19, 2018
joelfogue
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I agree this is the correct way of doing it
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apt-get updateandapt-get installhave to be executed at once, otherwise the update will be cached separately from the install which might cause caching issues (trying to install a package not available any more because update information is too old).See docker best practices.