Packer

Validation Commands

Check Packer template syntax and configuration before building images.

5 commands

Pro Tips

Run validate in CI to catch template errors early

$ packer validate .

Validate Packer template syntax.

$ packer validate -var 'region=us-west-2' .

Validate with variable values.

$ packer validate -syntax-only .

Check syntax without validating config.

$ packer validate -var-file=staging.pkrvars.hcl .

Validate using an external variables file.

$ packer validate -evaluate-datasources .

Validate and evaluate data source blocks.