Скачать или смотреть Docker Layers and Multistage Build tutorial | Docker Image Optimization | Reduce Layer Size

Docker Layers and Multistage Build tutorial | Docker Optimization | Reduce Layer Size
In this video, we will explain one of the docker best practices - multistage builds. We will dive into how dockerfile layers work. Then we will talk about container image size optimization techniques including multistage builds.
Multi-stage builds are a method of organizing a Dockerfile to include multiple images.
How can we create Docker Multistage Builds?
By creating different sections of a Dockerfile, each referencing a different base image.
This allows a multi-stage build to fulfill a function previously filled by using multiple docker files, copying files between containers, or running different pipelines.
Key Benefits of Docker Multistage Builds |
Minimize the size of the final container.
Improve run time performance
Allow for better organization of Docker commands and files
Provide a standardized method of running build actions.
Why to Use Multi-Stage Builds
Allow you to separate build, test, and run time environments needing separate Dockerfiles.
Minimize the actual size of the final Docker container, because the various layers are no longer stored in the final container.
Allows you to ensure that there aren’t extra binaries in your deployed container, decreasing your attack vector.
Ability to run steps/stage in parallel.
Simplifies CI/CD pipeline and provides an easy way for developers to interact with the various expected gates on the way to a production deployment.

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