The home for great developer writing.

We surface the best developer writing from thousands of independent blogs, updated daily.

What is a YAML file? A complete guide from basics to practical use

· · Oct. 31, 2025, 5:44 p.m.

yaml Data Serialization configuration files Kubernetes

Summary

This article serves as a complete guide to YAML, detailing its syntax, differences from similar formats like JSON and CUE, and practical applications in projects such as GitLab CI/CD pipelines. It emphasizes the advantages of YAML's readability and structure, making it a favored choice for configuration files and data transfer.

Read full post on about.gitlab.com →

MORE POSTS LIKE THIS

How to Work with YAML in Python – A Guide with Examples

freeCodeCamp.org · Dec 11, 2025

Python yaml

k8s: How to Pretty-Print Your Kubernetes YAML as KYAML and Why You'd Want To

Sujith Quintelier · Aug 12, 2026

Kubernetes yaml

The ack + xargs + sed pattern

Thiago Perrotta · Apr 30, 2025

ACK xargs

JSON - The Fine Print: Part 2 - Emitting JSON

goinggo · Feb 4, 2025

json Go Programming

Limit reset consumed while Usage not actually reset

Community Openai · Sep 5, 2026

AI in software development CI/CD Pipelines

Can An AI Agent Debug Kubernetes? I Broke A Cluster To Find Out

Marmelab · Sep 3, 2026

AI oss

Discover more posts →

AUTHOR

Sponsored

Zulip

Organized team chat for people who take work seriously. Topic-based threading keeps conversations focused.

Become a sponsor →