[Cloud] 6. Kubernetes Service deploy

Another object deployed in Kubernetes is an object called Service. The role of this Service object is like a kind of Gateway.

As mentioned earlier, the application actually runs in a container, and the object containing this container is a Pod. This Pod has an IP individually.

The problem is that if the IP of the Pod is exposed to an external client, the IP will be changed when a new Pod is created due to a failure. In this case, when a service request is made to the pod from the outside, a serv...