[feat] improve angular docker file

Author: kristiyan-velkov

content/guides/angular/containerize.md

@@ -160,7 +160,7 @@ USER nginx
 COPY nginx.conf /etc/nginx/nginx.conf
 
 # Copy the static build output from the build stage to Nginx's default HTML serving directory
-COPY --chown=nginx:root --from=builder /app/dist/*/browser /usr/share/nginx/html
+COPY --chown=nginx:nginx --from=builder /app/dist/*/browser /usr/share/nginx/html
 
 # Expose port 8080 to allow HTTP traffic
 # Note: The default NGINX container now listens on port 8080 instead of 80