spire/doc/plugin_server_keymanager_disk.md

Server plugin: KeyManager "disk"

The disk key manager maintains a set of private keys that are persisted to disk.

The plugin accepts the following configuration options:

Configuration	Description
keys_path	Path to the keys file on disk

A sample configuration:

    KeyManager "disk" {
        plugin_data = {
            keys_path = "/opt/spire/data/server/keys.json"
        }
    }