Revert "Don't run nginx as root in docker"

Dockerfile

@@ -35,9 +35,3 @@ RUN sed -i '3i\ \ \ \ application/wasm wasm\;' /etc/nginx/mime.types
 
 RUN rm -rf /usr/share/nginx/html \
   && ln -s /app /usr/share/nginx/html
-
-RUN mkdir -p /var/log/nginx /var/cache/nginx /var/run/nginx \
-  && chown -R nginx:nginx /var/log/nginx /var/run/nginx /var/cache/nginx \
-  && sed -e 's#/var/run/nginx.pid#/var/run/nginx/nginx.pid#' -i /etc/nginx/nginx.conf
-
-USER nginx