Docker Buildx
A Docker CLI plugin that extends image builds with BuildKit, including multi-platform builds.
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About Docker Buildx
Buildx adds the docker buildx command to the Docker CLI and exposes the full feature set of the BuildKit build engine. Its best-known use is building images for several CPU architectures at once, such as amd64 and arm64, from a single command.
It also includes Bake, which drives builds from a declarative file such as docker-bake.hcl. Buildx is developed by Docker in a public repository with a long commit history.
Strengths
- Multi-platform image builds from one command
- Access to the full BuildKit feature set
- Declarative builds with Bake files
Limitations
- Requires the Docker CLI
- Command-line only
Details
- Pricing
- FreeFree and open source.
- License
- Open source, license not stated
- Developer
- Docker
- Platforms
- Command line
- How it runs
- Downloadable app
- Account
- Not required
- Best suited for
- Developers building container images for more than one architecture
- Categories
- Container tools, Developer tools
- Last verified
- Added
- Provenance
- Facts checked against the developer's own pages and store listings, 1 sources on file.
Alternatives to Docker Buildx
Compare allSoftware that can replace Docker Buildx for an important use case, and what changes if you switch.
Buildah
A command-line tool for building OCI container images without a running daemon.
Buildah builds OCI images from the command line without a running daemon or the Docker CLI, which suits scripts and CI pipelines.
Cloud Native Buildpacks
Tooling that turns application source code into container images without writing a Dockerfile.
Cloud Native Buildpacks build images from source code without writing a Dockerfile, giving teams consistent builds but less direct control over the image than Dockerfile-based builds.
ko
A container image builder for Go applications that works without a Dockerfile or Docker installed.
ko builds multi-platform images with SBOMs for Go applications without Docker installed, but it only handles Go and cannot build images needing cgo or OS packages.
Podman
Daemonless container engine with a Docker-compatible command line.
Podman is a daemonless, rootless engine with a Docker-compatible command line that builds and runs images without needing the Docker CLI.
Finch
An open-source command-line client for building and running containers on macOS and Windows.
Finch bundles BuildKit, nerdctl, containerd and Lima in one installer for macOS and Windows, using nerdctl-style commands instead of the Docker CLI.
Similar software
Related functionality, not necessarily a direct replacement.
Docker Engine
The container runtime that builds, packages and runs applications in Docker containers.
dive
Explore container image layers and find wasted space.
Dagger
A container-based engine for writing build and CI pipelines as code and running them anywhere.
Skopeo
A command-line tool for inspecting, copying and signing container images in remote registries.
Container Structure Test
A command-line tool for validating the structure and contents of container images against defined tests.
Harbor
A self-hosted container registry with vulnerability scanning, image signing and role-based access control.
