README: add runtime, bundle, and hook author user

Lets call out some users directly and give them titles. Then define what
they is trying to do.

Signed-off-by: Brandon Philips <brandon.philips@coreos.com>
This commit is contained in:
Brandon Philips 2015-12-22 22:02:49 -08:00
parent bcb459c1c7
commit 9289afe113
1 changed files with 12 additions and 2 deletions

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@ -22,10 +22,20 @@ In the specifications in the above table of contents, the keywords "MUST", "MUST
To provide context for users the following section gives example use cases for each part of the spec.
#### Filesystem Bundle & Configuration
#### Application Bundle Builders
- A user can create a root filesystem and configuration, with low-level OS and host specific details, and launch it as a container under an Open Container runtime.
Application bundle builders can create a [bundle](bundle.md) directory that includes all of the files required for launching an application as a container.
The bundle contains OCI [configuration files](config.md) where the builder can specify host-independent details such as [which executable to launch](config.md#process-configuration) and host-specific settings such as [mount](runtime-config.md#mount-configuration) locations, [hook](runtime-config.md#hooks) paths, Linux [namespaces](runtime-config-linux.md#namespaces) and [cgroups](runtime-config-linux.md#control-groups).
Because the configuration includes host-specific settings, application bundle directories copied between two hosts may require configuration adjustments.
#### Hook Developers
[Hook](runtime-config.md#hooks) developers can extend the functionality of an OCI-compliant runtime by hooking into a container's lifecycle with an external application.
Example use cases include sophisticated network configuration, volume garbage collection, etc.
#### Runtime Developers
Runtime developers can build runtime implementations that run OCI-compliant bundles and container configuration, containing low-level OS and host specific details, on a particular platform.
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