Tag details

Image (full reference)
docker.io/docker/dockerfile:1.21
Mirror site(optional)
Registry
docker.io
Tag
1.21
Digest
sha256:1bd7d751759ad77c61ff3ead3d692ca52901b63831059adeec02f39cdfa6cc7b
Architectures
linux/arm64linux/mips64lelinux/riscv64linux/s390xlinux/arm/v7linux/mipslinux/amd64linux/386linux/ppc64lelinux/mips64linux/mipsle
Pushed at
01/22/2026, 07:57 AM
Size (est.)
12.1 MB
Full size
12.1 MB
Status
active

Pull commands

Commands use the same image reference as this page.

Docker
docker pull docker.io/docker/dockerfile:1.21
nerdctl
nerdctl pull docker.io/docker/dockerfile:1.21
Podman
podman pull docker.io/docker/dockerfile:1.21
crictl(Kubernetes)
crictl pull docker.io/docker/dockerfile:1.21

Image notes & recommended tags

Image description and docs links will be added from upstream metadata.

Namespace docker · Repository dockerfile · Cached tags 151

More versions

Image info (YAML)

image: docker.io/docker/dockerfile
tag: 1.21
registry: docker.io