Cue

Cue is an open-source data validation language and configuration language developed by Google. It is designed to define, generate, and validate data and configuration files, combining the simplicity of JSON with the power of constraints and schemas. It aims to reduce configuration errors and improve data consistency across systems.

Also known as: Cue Lang, CUE, Cue language, Cue config, Cue-lang

Why learn Cue?

Developers should learn Cue when working with complex configuration management, data validation, or schema definition in cloud-native and DevOps environments, such as Kubernetes manifests or CI/CD pipelines. It is particularly useful for ensuring type safety and consistency in large-scale configurations, reducing manual errors and improving automation.

Learning Resources

• docs: Cue Official Documentation
• tutorial: Cue Tutorial on GitHub
• video: Introduction to Cue on YouTube
• tutorial: Cue Playground