Engineering
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Dockerfiles now Support Multiple Build Contexts
Dockerfile v1.4 and Buildx v0.8 now enable developers to define multiple build contexts between Dockerfiles. Follow along as we tackle some examples.
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Merge+Diff: Building DAGs More Efficiently and Elegantly
Guest post written by BuildKit maintainer Erik Sipsma. The Big Picture MergeOp and DiffOp are two new features released in BuildKit v0.10. These operations let you assemble container images by composing filesystems (MergeOp) and splitting them apart (DiffOp), all while minimizing the creation of duplicated data both locally on disk and in remote registries. Minimizing…
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Dockershim not needed: Docker Desktop with Kubernetes 1.24+
Docker Desktop includes Kubernetes, optimized and tuned for a fast, distraction-free developer experience. We track upstream Kubernetes changes and manage Kubernetes upgrades so developers can focus on their code rather than cluster administration. Lots of people have been asking us about the removal of a component called “dockershim” from upstream Kubernetes and how this will…
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How to “Dockerize” Your Python Applications
Millions of developers use Python to build modern, scalable applications. For developers who value performance, cross-platform portability, and convenience, deploying these apps within a Docker environment can be advantageous. That said, what kinds of applications can you create? How does Docker support their functionality? Patrick Loeber answers these questions and more during his presentation, “Getting…
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Building a Multi-Container .NET App Using Docker Desktop
.NET is a free, open-source development platform for building numerous apps, such as web apps, web APIs, serverless functions in the cloud, mobile apps and much more. .NET is a general purpose development platform maintained by Microsoft and the .NET community on GitHub. It is cross-platform, supporting Windows, macOS and Linux, and can be used…
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10 tips for keeping your Docker containers safe from Log4Shell
This is a guest blog from our friends at Snyk. It originally appeared here. Today we’re pleased to announce an update to our popular Docker and Snyk vulnerability cheat sheet. Since 2020, millions of MacOS and Windows developers have been able to use docker scan to analyze their containers in their local environments as part of their…
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Announcing Docker SBOM: A step towards more visibility into Docker images
Image visibility and transparency are key to securing your software supply chain. Learn how our Docker SBOM feature highlights core image components.
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Investing In Performance, Trust and Great Experiences for Developers
Docker is nine years old? Seems both like yesterday and a long time ago! The technology world has changed a lot since then, and Docker has played a key role in making it easy for developers to build and ship applications wherever they’re needed. What were the key changes that Docker introduced? Well, when Docker…
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