Containerd - What is Containerd?
Containerd is a high-level core container runtime that Docker created. It was donated to CNCF later. It pulls images from registries, mounts storage, and creates container networking. It is a daemon process that starts, stops, and kills containers. Thus, it manages the lifecycle of containers. Software projects can use this to run containers and manage container images.
It has most of Docker’s functionality for managing containers and images, which makes it suitable for large-scale use as part of container orchestrators like Kubernetes(k8s).
Containerd follows and supports OCI standards. It also supports Container Runtime Interface (CRI), a Kubernetes(k8s) specification, which helps run multiple container runtimes in a cluster.
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