kubectl scale

Set a new size for a deployment, replica set, replication controller, or stateful set. More information: https://kubernetes.io/docs/reference/generated/kubectl/kubectl-commands#scale.

• Scale a replica set:

kubectl scale --replicas={{number_of_replicas}} rs/{{replica_name}}

• Scale a resource identified by a file:

kubectl scale --replicas={{number_of_replicas}} -f {{path/to/file.yml}}

• Scale a deployment based on current number of replicas:

kubectl scale --current-replicas={{current_replicas}} --replicas={{number_of_replicas}} deployment/{{deployment_name}}