![]() ![]() See the header of go.mod for the minimum supported version of Go. Information in our containerd/project repository. Nerdctl is a containerd non-core sub-project, licensed under the Apache 2.0 license.Īs a containerd non-core sub-project, you will find the: PouchContainer (abandoned?): needs an extra daemon Rancher Kim (nee k3c v0.3): needs Kubernetes, and only focuses on image management commands such as kim build and kim push K3c v0.2 (abandoned): needs an extra daemon, and does not support non-CRI features nerdctl pull with ~/.docker/config.json and credential helper binaries such as docker-credential-ecr-loginĬrictl: incompatible with Docker CLI, not friendly to users, and does not support non-CRI features.nerdctl run -restart=always -net=bridge.Notably, ctr lacks the equivalents of the following nerdctl commands: nerdctl will support Docker v25 syntax too in the future.Ĭtr: incompatible with Docker CLI, and not friendly to users. The same feature was later introduced in Docker v25 with a different syntax. Recursive read-only (RRO) bind-mount: nerdctl run -v /mnt:/mnt:rro (make children such as /mnt/usb to be read-only, too).įeatures implemented in nerdctl ahead of Docker Inspecting raw OCI config: nerdctl container inspect -mode=native.Use sudo nerdctl apparmor load to load the nerdctl-default profile. Applying an (existing) AppArmor profile to rootless containers: nerdctl run -security-opt apparmor=.Better multi-platform support, e.g., nerdctl pull -all-platforms IMAGE.Connecting a container to multiple networks at once: nerdctl run -net foo -net bar.The CLI syntax conforms to Podman convention. Specifying a non-image rootfs: nerdctl run -it -rootfs /bin/sh.Importing OCI archives as well as Docker archives: nerdctl load.Exporting Docker/OCI dual-format archives: nerdctl save.(NOTE: All Kubernetes containers are in the k8s.io containerd namespace regardless to Kubernetes namespaces) Accelerated rootless containers using bypass4netns: nerdctl run -label nerdctl/bypass4netns=true.Cosign integration: nerdctl pull -verify=cosign and nerdctl push -sign=cosign, and in Compose.Your host is NOT connected to any P2P network, unless you opt in to install and run IPFS daemon. P2P image distribution (IPFS) is completely optional. P2P image distribution using IPFS: nerdctl run ipfs://CID.Image encryption and decryption using ocicrypt (imgcrypt): nerdctl image (encrypt|decrypt) SRC DST. ![]() ![]() On-demand image pulling (lazy-pulling) using Stargz/ Nydus/ OverlayBD/ SOCI Snapshotter: nerdctl -snapshotter=stargz|nydus|overlaybd|soci run IMAGE.Features present in nerdctl but not present in Docker Those cutting-edge features are expected to be eventually available in Docker as well.Īlso, nerdctl might be potentially useful for debugging Kubernetes clusters, but it is not the primary goal. Note that competing with Docker is not the goal of nerdctl. The goal of nerdctl is to facilitate experimenting the cutting-edge features of containerd that are not present in Docker (see below). On Linux systems you can install nerdctl via brew:ĭocker run -it -rm -privileged nerdctl Motivation These dependencies are included in, but not included in. slirp4netns needs to be v0.4.0 or later.RootlessKit needs to be v0.10.0 or later.RootlessKit and slirp4netns (OPTIONAL): for Rootless mode.Some features, such as pruning caches with nerdctl system prune, do not work with older versions. v0.11.0 or later is highly recommended.See also the document about setting up BuildKit. BuildKit daemon ( buildkitd) needs to be running. BuildKit (OPTIONAL): for using nerdctl build.Older versions require extra CNI isolation plugin for isolating bridge networks ( nerdctl network create). v1.1.0 or later is highly recommended.In addition to containerd, the following components should be installed: $ nerdctl run -d -p 8080:80 -name nginx nginx:alpine ![]()
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