[DOS-548][ci] fix dockerfile for upstream fe image

frontend/Dockerfile

@@ -41,15 +41,13 @@ HEALTHCHECK --interval=30s --timeout=10s --retries=3 --start-period=10s \
 
 USER root
 
+RUN apk --no-cache add shadow=4.14.2-r0 && usermod -u 10100 -o nginx && groupmod -g 10100 -o nginx
+
 RUN rm /usr/share/nginx/html/index.html && rm /etc/nginx/conf.d/default.conf
 
 # Copy project files from ‘builder’ stage copy over the artifacts in dist folder to default nginx public folder
 COPY --from=builder /ng-app/dist /usr/share/nginx/html
-# Copy license info into final artifact
-COPY ./DEPENDENCIES_FRONTEND /usr/share/nginx/html
-COPY ./SECURITY.md /usr/share/nginx/html
-COPY ./NOTICE.md /usr/share/nginx/html
-COPY ./LICENSE /usr/share/nginx/html
+
 # Give ownership to nginx user over dir with content
 
 RUN chown -R nginx:nginx /usr/share/nginx/html/