Notes on Kubernetes

Services

Because the ephemeral nature of pods, there is need for special abstraccion called services, they will keep track of which IP is providing functionality to other IPs.

Context: Apod(backend) or a collection if them is providing functionality to other pods(frontend). And since a pod could die at anytime for any given reason, we need a mechanism to assure that the frontend receives the functionality is expecting from the backend.

Service definition in Kubernetes

Namespaces

Since the same cluster more than one application could be running at any given time. Namespaces, provides a logical separation between execution environments (amount of cpu, memory and access)