kubectl diff
Diff configurations specified by filename or stdin between the current online configuration, and the configuration as it would be if applied
Options
| Name | Description | 
|---|---|
| -f, --filename  <File> | Filename, directory, or URL to files identifying the resource | 
| -k, --kustomize  <Kustomize Dir> | Process the kustomization directory. This flag can't be used together with -f or -R | 
| -R, --recursive | Process the directory used in -f, --filename recursively. Useful when you want to manage related manifests organized within the same directory | 
| --field-manager  <Field Manager> | Name of the manager used to track field ownership | 
| --force-conflicts | If true, server-side apply will force the changes against conflicts | 
| --server-side | If true, apply runs in the server instead of the client |