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Glossary
Bundle
A directory structure that is written ahead of time, distributed, and used to seed the runtime for creating a container and launching a process within it.
Configuration
The config.json file in a bundle which defines the intended container and container process.
Container
An environment for executing processes with configurable isolation and resource limitations. For example, namespaces, resource limits, and mounts are all part of the container environment.
Container namespace
On Linux, a leaf in the namespace hierarchy in which the configured process executes.
JSON
All configuration JSON MUST be encoded in UTF-8. JSON objects MUST NOT include duplicate names. The order of entries in JSON objects is not significant.
Runtime
An implementation of this specification. It reads the configuration files from a bundle, uses that information to create a container, launches a process inside the container, and performs other lifecycle actions.
Runtime namespace
On Linux, a leaf in the namespace hierarchy from which the runtime process is executed. New container namespaces will be created as children of the runtime namespaces.