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Introduction to heredocs in Dockerfiles

Guest post by Docker Community Member Justin Chadell. This post originally appeared here. As of a couple weeks ago, Docker’s BuildKit tool for building Dockerfiles now supports heredoc syntax! With these new improvements, we can do all…
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Engineering Update: BuildKit 0.9 and Docker Buildx 0.6 Releases

On July 16th we released BuildKit 0.9.0, Docker Buildx 0.6.0, Dockerfile 1.3.0 and Dockerfile 1.3.0-labs. These releases come with bug fixes, feature-parity improvements, refactoring and also new features. Dockerfile new features Installation There…
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Advanced Dockerfiles: Faster Builds and Smaller Images Using BuildKit and Multistage Builds

Multistage builds feature in Dockerfiles enables you to create smaller container images with better caching and smaller security footprint. In this blog post, I’ll show some more advanced patterns that go beyond copying files between a…
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January Virtual Meetup Recap: Improve Image Builds Using the Features in BuildKit

This is a guest post by Docker Captain Nicholas Dille, a blogger, speaker and author with 15 years of experience in virtualization and automation. He works as a DevOps Engineer at Haufe Group, a digital media company located in Freiburg, Germany.…
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Join the Beta for Docker Engine 18.09

A few weeks back, we announced changes to extend the maintenance lifecycle for Docker Engine – Community (CE). As part of these changes, we’re having a beta testing period to deliver a higher-quality engine to the market. We’d…
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Docker SF Chapter Meetup: BuildKit and Container Orchestration

Last week, we had a great turnout for the Docker San Francisco chapter event at HQ! The meetup was focused on two of the most popular talks from DockerCon on BuildKit and container orchestration with Kubernetes and Docker Swarm. The purpose…