ContainerEngines
ContainerEngines refer to software systems that create, run, and manage containerized applications. They provide the runtime environment and management APIs that isolate processes, filesystems, and network stacks within containers, enabling portable execution across environments. A container engine typically includes a daemon or service, a command-line interface, and image storage; it coordinates resources using kernel features such as namespaces and cgroups, and relies on container images as portable templates.
Container engines differ in architecture. Some follow a daemon-based model where a long-running background process manages
Notable implementations include Docker Engine, containerd, CRI-O, and Podman. Docker Engine popularized container engines with an
Relationship to orchestration: container engines often serve as the underlying runtime for container orchestration platforms; Kubernetes