Optimize Dockerfile to use apk with --no-cache
#743
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Using the `apk` commands with the `--no-cache` parameter for package installation and upgrade will prevent the package index from being cached and reduce the built image size.
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Purpose
Using the
apkcommands with the--no-cacheparameter for package installation and upgrade will prevent the package index from being cached and reduce the built image size.Proposal
--no-cachewith all theapk upgradeandapk addcommandsapk updatecommand