hadolint

Dockerfile linter.

=> More information.

• Lint a Dockerfile:

hadolint {path/to/Dockerfile}

• Lint a Dockerfile, displaying the output in JSON format:

hadolint --format {json} {path/to/Dockerfile}

• Lint a Dockerfile, displaying the output in a specific format:

hadolint --format {tty|json|checkstyle|codeclimate|codacy} {path/to/Dockerfile}

• Lint a Dockerfile ignoring specific rules:

hadolint --ignore {DL3006} --ignore {DL3008} {path/to/Dockerfile}

• Lint multiple Dockerfiles using specific trusted registries:

hadolint --trusted-registry {docker.io} --trusted-registry {example.com}:{5000} {path/to/Dockerfile} {path/to/another/Dockerfile}

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