Function descriptorFromImage_extract

descriptorFromImage_extract(
    image: string,
    publicRepo?: string,
    run?: DockerRun,
): Promise<Record<string, unknown> | null>
Reads a plugin's descriptor out of its image.
Parameters
- image: string
  The image reference.
- OptionalpublicRepo: string
  The plugin's repository, passed to chris_plugin_info when known.
- run: DockerRun = docker_run
  The docker seam.
Returns Promise<Record<string, unknown> | null>
The descriptor, or null when none of the three ways printed one.
Example
```
const descriptor: Record<string, unknown> | null = await descriptorFromImage_extract('fnndsc/pl-dircopy:2.1.1');
```
- Defined in salsa/src/plugins/plugin_docker.ts:116