simple nginx pod mounting custom config file

Readme.md

    #create config map
    curl -sL https://git.io/Jt80f  > /tmp/site.conf
    kubectl create cm nginx-config --from-file=/tmp/site.conf -o yaml --dry-run=client
    
    #lets see it in action, will ya ? 
    kubectl create cm nginx-config --from-file=/tmp/site.conf 
    
    kubectl apply -f https://git.io/Jt8uz 

nginx-pod.yml

apiVersion: v1
kind: Pod
metadata:
  creationTimestamp: null
  labels:
    run: nginx-config
  name: nginx-config
spec:
  containers:
  - image: nginx
    name: nginx-config
    volumeMounts:
      - name: my-site 
        mountPath: /etc/nginx/conf.d
  volumes:
    - name: my-site
      configMap:
        name: nginx-config
        items:
          - key: site.conf
            path: site.conf
  dnsPolicy: ClusterFirst
  restartPolicy: Always
status: {}

site.conf

server {
    listen       80;
    listen  [::]:80;
    server_name  localhost;

    location / {
        root   /usr/share/nginx/html;
        index  index.html index.htm;
    }

    location /google{
        rewrite ^/google(.*)$ https://google.com/search?q=$1 redirect;
    }

    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }
}