Dockerfile overhaul #1357
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Dockerfile overhaul #1357
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…he Docker image works on any host OS Problem was that jlink produces OS-specific artifacts, so you couldn't make a functional Docker image on Windows. Final Docker image size has also been reduced, roughly from 240MB to 170MB, by using Alpine as the new base image. Support for Debian Stretch ended on the 30th of June 2022.
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…mage, to help ensure it keeps on working
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Fixes #1351
In short:
Dependabot
As for automatic updates to the base image using Dependabot, being a multi-stage build now, we appear to have lost the option to have Dependabot submit update PRs: dependabot/dependabot-core#7640
Technically we could work around it by having two Dockerfiles, as described in that issue, but I'm unsure if the added complexity is worth it at this time.
Docker image size
Debian Stretch has been replaced with Alpine 3.
Docker image size difference, Alpine vs. Debian: