Glossary term
What is hadolint? Meaning for developers
A linter that reads a Dockerfile and warns about bad habits such as using the latest tag or running as root.
Learn it properly · Docker & KubernetesLesson 1: Writing a Dockerfile: Layers, Caching and Small ImagesInstruction by instruction, layer caching, multi-stage builds, base image choice, .dockerignore, and a Node app image built the right way.