Command-line tool

hadolint

brew/hadolint

Checked 25 Oct 2026, 21:09 UTC · Listing refreshed from Homebrew, winget, npm, Scoop and cargo; npm packages checked against OSV.dev

Smarter Dockerfile linter to validate best practices docker cli portable static-analysis devops-tools linter haskell dockerfile shellcheck

Website Source

At a glance

Type

Command-line tool

Install on

Windows, macOS, Linux

Last checked

25 Oct 2026, 21:09 UTC

Install it

Windows

winget install --id hadolint.hadolint -e
scoop install hadolint

macOS

brew install hadolint

Linux

brew install hadolint

Lint a Dockerfile

hadolint path/to/Dockerfile

Lint a Dockerfile, displaying the output in JSON format

hadolint -f json path/to/Dockerfile

Lint a Dockerfile, displaying the output in a specific format

hadolint -f tty path/to/Dockerfile

Browse

• Docker and Kubernetes

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