containerd
containerd is a CNCF graduated runtime. Docker uses it internally, K3s and Kubernetes call it through the CRI, and Rancher Desktop can use it with nerdctl.
Key concepts #
- Image management: pull, store and unpack images.
- runc: the low-level runtime it calls to start containers.
- nerdctl: a Docker compatible client.
Learn it #
Read containerd vs dockerd.
More tutorials that use containerd
Related tutorials
Containers and Orchestration
nerdctl
nerdctl is a Docker-compatible command line client for containerd, with support for Compose, image building and lazy pulling.
- Containers and Orchestration
Docker
Docker is a platform to build, ship and run applications in containers: lightweight, isolated processes created from portable images.
Containers and Orchestration
Podman
Podman is a daemonless, rootless container engine that runs OCI containers with a command line compatible with Docker.