nginx.yaml

apiVersion: v1
kind: Namespace
metadata:
  name: testing-namespace
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: nginx-config
  namespace: testing-namespace
data:
  default.conf: |
    server {
        listen 80;
        server_name localhost;

        location / {
            root /usr/share/nginx/html;
            index index.html;
        }
    }
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deployment
  namespace: testing-namespace
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx-container
        image: nginx:latest
        ports:
        - containerPort: 80
        volumeMounts:
        - name: nginx-config-volume
          mountPath: /etc/nginx/conf.d
      volumes:
      - name: nginx-config-volume
        configMap:
          name: nginx-config
---
apiVersion: v1
kind: Service
metadata:
  name: nginx-service
  namespace: testing-namespace
spec:
  selector:
    app: nginx
  ports:
  - protocol: TCP
    port: 80
    targetPort: 80
  type: LoadBalancer