Add additional environmental installation requirements
Specifically, these are the requirements for installing the Operator
on IBM Cloud Pak Data.
@@ -14,6 +14,27 @@ The following is required prior to installing PostgreSQL Operator:
* VMWare Enterprise PKS 1.3+
* `kubectl` or `oc` configured to communicate with Kubernetes
+### IBM Cloud Pak Data
+
+If you are install the the PostgreSQL Operator, which comes with Crunchy
+PostgreSQL for Kubernetes, on IBM Cloud Pak Data, please note the following
+additional requirements:
+
+* Cloud Pak Data Version 2.5
+* Minimum Node Requirements (Cloud Paks Cluster): 3
+* Crunchy PostgreSQL for Kuberentes (Servuce):
+ * Minimum CPU Requirements: 0.2 CPU
+ * Minimum Memory Requirements: 120MB
+ * Minimum Storage Requirements: 5MB
+
+**Note**: PostgreSQL clusters deployed by the PostgreSQL Operator with
+Crunchy PostgreSQL for Kubernetes are workload dependent. As such, users should
+allocate enough resources for their PostgreSQL clusters.
+
+We recommand using the [Ansible](/installation/install-with-ansible/prerequisites/)
+installation method to install Crunchy PostgreSQL for Kubernetes in a Cloud Pak
+Data environment.
+
## Container Ports
The API server port is required to connect to the API server with the `pgo` cli. The `nsqd` and `nsqadmin` ports are required to connect to the event stream and listen for real-time events.
