How to deploy and manage units
Basic Usage
To deploy a single unit of MySQL Router using its default configuration
juju deploy mysql-router-k8s --channel 8.0 --trust
To deploy MySQL Router in high-availability mode, specify the number of desired units with the -n option.
juju deploy mysql-router-k8s --channel 8.0 --trust -n <number_of_replicas>
Scaling
Both scaling-up and scaling-down operations are performed using juju scale-application:
juju scale-application mysql-router-k8s <desired_num_of_units>