helm upgrade --create-namespace

• helm upgrade --install airflow apache-airflow/airflow --namespace airflow --create-namespace
• helm install -n gatekeeper-system [RELEASE_NAME] gatekeeper/gatekeeper --create-namespace

Related

• helm upgrade --install kube-prometheus-stack

See also

• helm upgrade [ --reuse-values | --atomic | --debug | --force | --reuse-values | --reset-values | --verify ], helm install, --help
• helm install [ --set | --dry-run | --debug | --timeout | --namespace | --create-namespace | --generate-name | --help ] values.yaml, helm upgrade --install