here is the video reference

You can restart the server with the database options, which allow you to work with only one database. Below are listed the database options for the server:

Database related options:
    -d DB_NAME, --database=DB_NAME
                        specify the database name
    -r DB_USER, --db_user=DB_USER
                        specify the database user name
    -w DB_PASSWORD, --db_password=DB_PASSWORD
                        specify the database password
    --pg_path=PG_PATH   specify the pg executable path
    --db_host=DB_HOST   specify the database host
    --db_port=DB_PORT   specify the database port
    --db_maxconn=DB_MAXCONN
                        specify the the maximum number of physical connections to posgresql
    --db-template=DB_TEMPLATE
                        specify a custom database template to create a new database

You can also use --db-filter=YOUR_DATABASE to only show a single database. If you have the public portal activated, you will also be automatically logged in as well.