use supervisor

Dockerfile

@@ -1,4 +1,4 @@
-FROM debian:buster
+FROM debian:bullseye
 
 LABEL Maintainer="Wolfgang Hottgenroth <woho@hottis.de>"
 LABEL ImageName="registry.hottis.de/dockerized/mosquitto-with-auth"
@@ -10,7 +10,9 @@ ARG MOSQ_GID="1883"
 
 RUN \
   apt update && \
-  apt install -y mariadb-client openssl libwebsockets8 certbot && \
+  apt install -y mariadb-client openssl libwebsockets8 certbot bash cron supervisor vim-tiny && \
+  update-alternative --set editor /usr/bin/vim.tiny && \
+  update-alternative --set vi /usr/bin/vim.tiny && \
   groupadd -r -g $MOSQ_GID $MOSQ_USER && \
   useradd -m -r -u $MOSQ_UID -g $MOSQ_USER $MOSQ_USER && \
   mkdir -p /opt/data  
@@ -18,9 +20,11 @@ RUN \
 
 COPY opt/ /opt
 COPY etc/ /opt/etc
+COPY supervisor-mosquitto.conf /etc/supervisor/conf.d/
 
 VOLUME /opt/etc
 VOLUME /opt/data
+
 EXPOSE 80/TCP
 EXPOSE 443/TCP
 EXPOSE 1883/tcp

supervisor-mosquitto.conf

@@ -0,0 +1,10 @@
+[program:mosquitto]
+environment=LD_LIBRARY_PATH="/opt/lib"
+command=/opt/sbin/mosquitto -c /opt/etc/mosquitto/mosquitto.conf
+autostart=true
+autorestart=true
+
+[program:certbot]
+command=/usr/bin/certbot renew --standalone
+autostart=false
+autorestart=false