Update Dockerfile

Dockerfile

@@ -1,15 +1,3 @@
-server {
-    listen       8080;
-    listen  [::]:8080;
-    server_name  localhost;
-
-    location / {
-        root   /usr/share/nginx/html;
-        index  index.html index.htm;
-
-        add_header 'Cross-Origin-Embedder-Policy' 'require-corp';
-        add_header 'Cross-Origin-Opener-Policy' 'same-origin';	 
-        add_header 'Cross-Origin-Resource-Policy' 'cross-origin';
-
-    }
-  }
+FROM nginxinc/nginx-unprivileged  
+COPY ./nginx.conf /etc/nginx/conf.d/default.conf
+COPY . /usr/share/nginx/html