Preparing for installationEdit online Refer to the following topics to prepare for your Kubernetes-based Concert deployment. Installing persistent storageBefore you can install Concert, Concert Workflows, and Concert Data Apps, you must install persistent storage that is accessible from your Red Hat® OpenShift® cluster.Setting up custom PostgreSQL configuration (Kubernetes)You can custom your PostgreSQL configuration settings, Concert offers the capability to create a ConfigMap for PostgreSQL configuration and mount it as a volume in the PostgreSQL deployment. This optional feature allows you to tailor the external PostgreSQL databases to meet specific requirements. By creating a ConfigMap, you can define custom configuration settings, such as connection limits, memory allocation, and query optimization, which can then be applied to your PostgreSQL databases.Setting up custom storage for Concert WorkflowsIf your Kubernetes cluster uses a custom storage class, you can use two configuration methods: one for a global storage class and another for per-component overrides.Installing Red Hat OpenShift Container Platform for IBM Concert Concert, Concert Workflows, and Concert Data Apps is deployed on a Red Hat® OpenShift® Container Platform cluster. If you don't have an existing cluster, complete the appropriate steps to install Red Hat® OpenShift® on your environment.Installing OpenShift CLIThe Concert, Concert Workflows, and Concert Data Apps manage script interacts with the OpenShift® command-line interface (oc CLI) to issue commands to your Red Hat® OpenShift® Container Platform cluster.Creating an image pull secret for an IBM Cloud based installationYou can create a global image pull secret that each worker node in the cluster can use to pull images from a private registry.Parent topic: Deploying on Kubernetes