Anchor and alias

yaml

defaults: &defaults
  retries: 3
  timeout: 30

api:
  <<: *defaults
  url: https://api.example.com

Explanation

Anchors reduce repetition and keep repeated config blocks synchronized.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Same sheet · prioritizing Anchors and aliases

Compose config from several reusable blocks.

Open In sheetyamlsame section

Materialize merged values for inspection.

Open In sheetbashsame section

Combine a base config with environment-specific overrides.

Open In sheetyamlsame section

Avoid copying the same environment block.

Open In sheetyaml2 tag match

Share common setup across jobs.

Open In sheetyaml1 tag match

Lint for repeated keys that override silently in some parsers.

Open In sheetbash1 tag match