Update README.md

README.md

@@ -15,6 +15,15 @@ Build and distribute software with Spack
  neuron  
  nest
 
+## Gitlab CI/CD Enviromental variables
+
+The following variables must be set up if not or re-configured if tokens expire.
+	
+OBJSTORE: Public URL of OpenStack SWIFT public bucket used to store the to deployed spack build environment
+OPENSHIFT_TOKEN: Token to login to OpenShift cluster
+OS_TOKEN: Token to access OpenStack SWIFT
+
+
 ## Bulding software binaries with Spack
 
 **ToDo: The current build path needs to be automated with CI (e.g. gitlab runners)**