update document root to /var/www/html in nginx deployment template

nginx/README.md

@@ -29,9 +29,9 @@ This container could be deployed on any kubernetes compatible cloud native clust
 
 Following template files as kubernete YAML registries for operator's reference:
 
-* nginx-service-deployment-simple.yaml: use default configurations to create nginx service on kubernetes cluster
-* nginx-service-deployment-customize-conf.yaml: demostrate how to use customized config file to replace default one.
-* nginx-service-deployment-persistent-volume.yaml: demostrate how to manage web server materials on persistent storage.
+* [nginx-service-deployment-simple.yaml](nginx-service-deployment-simple.yaml): use default configurations to create nginx service on kubernetes cluster
+* [nginx-service-deployment-customize-conf.yaml](nginx-service-deployment-customize-conf.yaml): demostrate how to use customized config file to replace default one.
+* [nginx-service-deployment-persistent-volume.yaml](nginx-service-deployment-persistent-volume.yaml): demostrate how to manage web server materials on persistent storage.
 
 Quick deployment for test:
 ```

nginx/nginx-service-deployment-customize-conf.yaml

@@ -12,10 +12,10 @@ data:
     http {
       access_log /var/log/nginx/access.log combined;
       server {
-          root /usr/share/nginx/html;
-          location / {
-              autoindex on;
-          }
+        root /var/www/html;
+        location / {
+            autoindex on;
+        }
       }
     }
 ---
@@ -48,7 +48,6 @@ spec:
           items:
             - key: nginx.conf
               path: nginx.conf
-
 ---
 apiVersion: v1
 kind: Service