Glossary term
What is build cache (Docker build cache)?
build cache stands for Docker build cache.
Docker reuses a saved layer when a step and its inputs are unchanged, but reruns every step after the first change.
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.