Registries store and distribute Docker images. Registries are required for AppCenter Docker container apps. The root user must add one or more pre-defined registries so a registry is available when users create a Docker container app.
- Select .
If the registry requires authentication, enter the Username and Password.
Some browsers autofill the username and password based on previously used credentials. If authentication is required, make sure the username and password are correct for this registry.
Select Test Connection.
If the test was successful, AppCenter displays a Test successful message and the Save option is available.
- Select Save.