Update NGINX version

Author: manning-ncsa

Dockerfile

@@ -1,4 +1,4 @@
-FROM nginx:1.14-alpine
+FROM nginx:1.24
 COPY ./public_html/ /usr/share/nginx/html/
 COPY ./deslabs.conf /etc/nginx/conf.d/
 RUN chown -R nginx:nginx /usr/share/nginx/html/