An Ice Cold Take on CI Config Systems

13 hours ago

YAML pipelines in CI/CD systems are problematic because they are a poor programming language, leading to encoded subroutines and data flow despite their declarative appeal.
Alternatives to YAML include Pkl and Dhall, which can generate YAML or JSON and maintain declarative benefits while addressing YAML's issues for use in existing CI systems.
Further reading on CI alternatives includes Alexey Kladov's posts, Gregory Szorc's critiques, RWX with improved YAML primitives, and the Build Systems à la Carte paper.

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