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Docker · Concept

BuildKit

BuildKit is Docker's build backend. It makes builds faster by solving independent work in parallel, skipping unused work, and using precise content-based caching.

Last updated

Since
0.13

Syntax

docker buildx build [OPTIONS] PATH | URL | -

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

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  • LLB
  • Frontend
  • Dockerfile frontend
  • Build cache
  • Docker Build
  • Buildx
  • Build context

Source: BuildKit. Checked 2026-11-03.