Service Accounts
Kubernetes service accounts allow processes in pods to connect and authenticate to the API Server.
Create a service account called appsa
Create a file called sa.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
name: appsa
Run below command to create service account
kubectl apply -f sa.yaml
Verify details about service account
kubectl get sa
kubectl get secrets
kubectl describe secrets <<secret token >>
Create a deployment using a service account (deploy.yaml)
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deploy
labels:
app: nginx-app
spec:
replicas: 8
template:
metadata:
labels:
app: nginx-app
spec:
serviceAccountName: appsa
containers:
- name: nginx-container
image: nginx:1.7.9
ports:
- containerPort: 80
selector:
matchLabels:
app: nginx-app
Run the below command to apply deployment changes.
kubectl apply -f deploy.yaml
Verify Deployment get created successfully
kubectl get deploy 
