Kubernetes pod deployment

Now, in the following example, we will be deploying two NGINX replication pods (rc-pod) and exposing them via a service. To understand Kubernetes networking, please refer to the following diagram for more details. Here, an application can be exposed via a virtual IP address, and the request to be proxied, to which replica of pod (load balancer), is taken care of by the service:

Kubernetes networking with OVS bridge

1. In the Kubernetes master, create a new folder:

   $ mkdir nginx_kube_example
   $ cd nginx_kube_example
   

2. Create the YAML file in the editor of your choice, which will be used to deploy the NGINX pod:

   $ vi nginx_pod.yaml
   apiVersion: v1
   kind: ReplicationController
   metadata:
     name: nginx
   spec:
     replicas: 2
     selector:
       app: nginx
     template:
       metadata:
         name: nginx
         labels:
           app: nginx
     spec:
       containers:
       - name: nginx
         image: nginx
             ports:
             - containerPort: 80
   

3. Create the NGINX pod using kubectl:

   $ kubectl...