add start.sh

Dockerfile

@@ -1,6 +1,5 @@
 FROM python:3.12-bookworm
 
-# Labels
 LABEL MAINTAINER="Jan-Ole Hübner <huebner@jan-ole.de>"
 
 RUN apt-get update && apt-get install -y cron
@@ -20,6 +19,6 @@ RUN crontab /etc/cron.d/get_price
 
 RUN touch /var/log/cron.log
 
-RUN chmod 755 /pulse.py
+RUN chmod 755 /pulse.py /start.sh
 
-CMD service cron start && python3 /pulse.py
+CMD ["./start.sh"]

start.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+# Start the cron service
+service cron start
+
+# Run your main application script (pulse.py) in the background
+python3 /pulse.py &
+
+# Keep the container running and output both cron logs and pulse.py output
+tail -f /var/log/cron.log &
+wait -n