Hi Mariano - we're still in the process of upgrading our helm charts internally for 4.0. In particular a key challenge with the change to 4.0 that you may be encountering is the SSL subsystem; previously Neo4j generated its own self-signed certificate. Configuration that enabled https by default used that, and there were some changes in 4.0 that make startup require extra steps to generate that self-signed certificate. You can certainly post your challenges here and I'll follow up later if I can - but for now also be aware that updated helm charts for GKE are already in the works.
