Werk #12277: Docker container: Update base image to Debian buster

Component Core & Setup
Title Docker container: Update base image to Debian buster
Date Feb 26, 2021
Checkmk Editon Checkmk Raw (CRE)
Checkmk Version 2.1.0i1 2.0.0b8
Level Prominent Change
Class Security Fix
Compatibility Compatible - no manual interaction needed

The Checkmk docker container image was previously based on the debian:stretch-slim image. The base image has now been updated to debian:buster-slim.

If you build the container images on your own, based on the Dockerfile from our git, you will now have to use the Checkmk packages for Debian buster instead of the stretch packages.

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