Fixed crontab on Debian / armhf

armhf.Dockerfile

@@ -4,7 +4,7 @@ RUN [ "cross-build-start" ]
 RUN apt-get update \
     && apt-get -y install python3 python3-pip bash perl curl wget grep sed docker.io \
                           sudo mariadb-client postgresql-client netcat ca-certificates \
-                          git openssl make python3-setuptools supervisor \
+                          git openssl make python3-setuptools supervisor cron \
     && apt-get clean
 RUN [ "cross-build-end" ]
 

entrypoint.sh

@@ -1,5 +1,16 @@
 #!/bin/bash
 
+# depending on operating system, create an entrypoint for cron
+echo "#!/bin/bash" > /entrypoint.cron.sh
+
+if which crond > /dev/null; then
+    echo "crond -d 2 -f" >> /entrypoint.cron.sh
+else
+    echo "cron -f" >> /entrypoint.cron.sh
+fi
+
+chmod +x /entrypoint.cron.sh
+
 # allow to pass custom arguments from docker run command
 echo "#!/bin/bash" > /entrypoint.cmd.sh
 echo "infracheck --server --server-port 8000 $@" >> /entrypoint.cmd.sh

supervisord.conf

@@ -8,7 +8,7 @@ user=root                                       ; default user
 childlogdir=/var/log                            ; where child log files will live
 
 [program:cron]
-command=crond -d 2 -f
+command=/entrypoint.cron.sh
 user=root
 stdout_events_enabled=true
 stderr_events_enabled=true