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Backup and Restore of Kong Gateway's Configuration

You can use decK to back up and restore a subset or the entirety of Kong Gateway’s entity configuration.

See the reference for Entities Managed by decK to find out which entity configurations can be backed up.

Back up Kong Gateway’s entire configuration

To back up Kong Gateway’s configuration, use the dump command:

deck gateway dump -o kong.yaml

This generates a kong.yaml file with the entire configuration of Kong Gateway, if possible.

Then, restore this file back to Kong Gateway using the sync command:

Preview the changes that decK will perform:
```
 deck gateway diff kong.yaml
```
Re-create the entities in Kong Gateway:
```
 deck gateway sync kong.yaml
```

Manage a subset of configuration

You can export, import, and manage a subset of Kong Gateway’s configuration using decK’s select-tag feature. This is similar to adopting distributed configuration for Kong Gateway.

The select-tag feature assumes that all the entities you would like to manage in Kong Gateway share a common tag(s).

Assuming you have such a common tag (for example, let’s call it foo-tag), you can use it to export only a subset of the configuration:

deck gateway dump -o kong.yaml --select-tag foo-tag

If you observe the file generated by decK, you will see the following section:

_info:
  select_tags:
  - foo-tag

This subsection tells decK to filter out entities containing select-tags during a sync operation.

Now, you can manage or sync back only this subset of Kong Gateway’s configuration.