bugfixing to run command as user deploy

Dockerfile

@@ -62,5 +62,7 @@ RUN pip install git+https://git.cpi.imtek.uni-freiburg.de/CPI/elab-users.git
 # change the working directory
 WORKDIR /data
 
+USER root
 # Start httpd as root, but will switch to deploy user thanks to env variable
-CMD ["sudo", "httpd-foreground"]
+#CMD ["sudo", "httpd-foreground"]
+CMD ["httpd-foreground"]