Docker BuildKit is the next generation container image builder, which helps us to make Docker images more efficient, secure, and faster. It’s integrated into the Docker release version v18.06. BuildKit is a part of the Moby project which was developed after learning’s and failures to make the image build process –

• Concurrent
• Cache-efficient
• Better Support for storage management

BuildKit works on multiple export formats such as OCI or Docker along with the Support of Frontends (Dockerfile) and provides features such as efficient caching and running parallel build operations. BuildKit only needs container runtime for its execution and currently supported runtimes include containerd and runc.

Before getting to the critical components of BuildKit project, let’s take a look at the features it provides.

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