Even if Docker didn't exist, Dockerfiles serve as authoritative instructions for installing things. They invariably remember the weird dependencies and compilation flags that people would forget to include in official manuals.
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Replying to @jermdemo
Indeed a much under-appreciated aspect because they are encoded scripts, with proper dependencies within the distribution of the underlying image, and as well as with proper existence-tests proofing by actually building images. Code as infrastructure, infrastructure as code.

Jan 20, 2023 · 4:22 AM UTC
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