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Docker Build
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Docker Build is one of Docker Engine's most used features. Whenever you are creating an image you are using Docker Build. Build is a key part of your software development life cycle allowing you to package and bundle your code and ship it anywhere.
Docker Build is more than a command for building images, and it's not only about packaging your code. It's a whole ecosystem of tools and features that support not only common workflow tasks but also provides support for more complex and advanced scenarios.
Multi-stage builds\ \ Keep your images small and secure with minimal dependencies.
BuildKit\ \ Explore BuildKit, the open source build engine.
Build drivers\ \ Configure where and how you run your builds.
Exporters\ \ Export any artifact you like, not just Docker images.
Build caching\ \ Avoid unnecessary repetitions of costly operations, such as package installs.