diff --git a/Dockerfile b/Dockerfile
index 4508a8d..c0145fc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,9 +21,11 @@ RUN \
 COPY opt/ /opt
 COPY etc/ /opt/etc
 COPY supervisor-mosquitto.conf /etc/supervisor/conf.d/
+COPY crontab /etc/crontab
 
 VOLUME /opt/etc
 VOLUME /opt/data
+VOLUME /var/log/supervisor
 
 EXPOSE 80/TCP
 EXPOSE 443/TCP
@@ -33,5 +35,5 @@ EXPOSE 9001/tcp
 
 WORKDIR /opt
 
-CMD ["env", "LD_LIBRARY_PATH=/opt/lib", "/opt/sbin/mosquitto", "-c", "/opt/etc/mosquitto/mosquitto.conf"]
+CMD [ "/usr/bin/supervisord", "-c", "/etc/supervisor/supervisord.conf" ]
 
diff --git a/LICENSE b/LICENSE
index 55e92f1..5e88819 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2019 Wolfgang Hottgenroth
+Copyright (c) 2019, 2022 Wolfgang Hottgenroth
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/crontab b/crontab
new file mode 100644
index 0000000..c35bd55
--- /dev/null
+++ b/crontab
@@ -0,0 +1,3 @@
+SHELL=/bin/sh
+PATH=/usr/bin
+*/2 * * * * root supervisorctl start certbot
diff --git a/mosquitto-start.sh b/mosquitto-start.sh
index 952f0fa..18e9871 100755
--- a/mosquitto-start.sh
+++ b/mosquitto-start.sh
@@ -3,20 +3,25 @@
 IMAGE=registry.gitlab.com/wolutator/mosquitto-with-auth:latest
 VOLUME_CONFIG=mosquitto-config
 VOLUME_DATA=mosquitto-data
+VOLUME_LOG
 
 docker volume inspect $VOLUME_CONFIG > /dev/null || docker volume create $VOLUME_CONFIG
 docker volume inspect $VOLUME_DATA > /dev/null || docker volume create $VOLUME_DATA
+docker volume inspect $VOLUME_LOG > /dev/null || docker volume create $VOLUME_LOG
 
 docker pull $IMAGE
 
 docker run \
   -d \
   --rm \
+  -p80:80 \
+  -p443:443 \
   -p1883:1883 \
   -p8883:8883 \
   -p9001:9001 \
   -v $VOLUME_CONFIG:/opt/etc/mosquitto \
   -v $VOLUME_DATA:/opt/data \
+  -v $VOLUME_LOG:/var/log/supervisor \
   --link mariadb \
   --name mosquitto \
   $IMAGE
diff --git a/supervisor-mosquitto.conf b/supervisor-mosquitto.conf
index 7348967..090486e 100644
--- a/supervisor-mosquitto.conf
+++ b/supervisor-mosquitto.conf
@@ -1,3 +1,7 @@
+[supervisord]
+nodaemon=true
+user=root
+
 [program:mosquitto]
 environment=LD_LIBRARY_PATH="/opt/lib"
 command=/opt/sbin/mosquitto -c /opt/etc/mosquitto/mosquitto.conf
@@ -8,3 +12,10 @@ autorestart=true
 command=/usr/bin/certbot renew --standalone
 autostart=false
 autorestart=false
+startsecs=0
+
+[program:cron]
+command=/usr/sbin/cron -f
+autostart=true
+autorestart=true
+