Fix missing home directory in background tasks

supervisord.conf

@@ -4,6 +4,8 @@ loglevel=info
 
 [program:jobs]
 user=www-data
+# setup a temp home folder for the job, required by chromium to write to .config
+environment=HOME=/tmp/.config
 command=python manage.py run_huey -f
 stdout_logfile=background_tasks.log
 stdout_logfile_maxbytes=10MB