Two Tasks:

JetStream

• Learn about NATS JetStream
• Implement it in codebase for certain events

K8s configuration

• Implement a nats.yml service and stateful set

Here is what I found why JetStream is necessary:

• Perfect for certain events that needs to be stored in case services crashed. Regular NATS Pub/Sub is "fire" and "forget", which means it doesn't actually store the event in case of emergencies.
• Can easily be implemented with current architecture and build (need some more configurations though)