use a dedicated beat process

docker/docker-alpine/assets/init

@@ -127,6 +127,7 @@ EOF
   sed -r "s'@BURPUI_CONFIG@'$BURPUI_CONFIG';s'@BURPUI_VERBOSE@'$BURPUI_VERBOSE'" /etc/supervisor.d/gunicorn.ini.sample >/etc/supervisor.d/gunicorn.ini
 
   sed -r "s'@BURPUI_CONFIG@'$BURPUI_CONFIG'" /etc/supervisor.d/bui-celery.ini.sample >/etc/supervisor.d/bui-celery.ini
+  sed -r "s'@BURPUI_CONFIG@'$BURPUI_CONFIG'" /etc/supervisor.d/bui-celery-beat.ini.sample >/etc/supervisor.d/bui-celery-beat.ini
   sed -r "s'@BURPUI_MONITOR_CONFIG@'$BURPUI_MONITOR_CONFIG'" /etc/supervisor.d/bui-monitor.ini.sample >/etc/supervisor.d/bui-monitor.ini
 
   sed -r "s'@GUNICORN_WORKERS@'$GUNICORN_WORKERS';s'@GUNICORN_WORKER_CLASS@'$GUNICORN_WORKER_CLASS'" /etc/burp-ui/burpui_gunicorn.py.sample >/etc/burp-ui/burpui_gunicorn.py

docker/docker-alpine/assets/setup/install

@@ -89,7 +89,20 @@ cat > /etc/supervisor.d/bui-celery.ini.sample <<EOF
 [program:bui-celery]
 priority=20
 directory=/tmp
-command=/usr/local/bin/bui-celery -c @BURPUI_CONFIG@ --beat -s /var/lib/burpui/celerybeat-schedule
+command=/usr/local/bin/bui-celery -c @BURPUI_CONFIG@
+user=burpui
+autostart=false
+autorestart=true
+stdout_logfile=/var/log/supervisor/%(program_name)s.log
+stderr_logfile=/var/log/supervisor/%(program_name)s.log
+EOF
+
+# configure celery beat template
+cat > /etc/supervisor.d/bui-celery-beat.ini.sample <<EOF
+[program:bui-celery-beat]
+priority=20
+directory=/tmp
+command=/usr/local/bin/bui-celery -c @BURPUI_CONFIG@ -t beat -s /var/lib/burpui/celerybeat-schedule
 user=burpui
 autostart=false
 autorestart=true