first commit

data/apidemo-cron/build/Dockerfile

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+FROM ubuntu:22.04
+
+RUN apt-get update && apt-get -y upgrade 
+RUN apt-get -y install cron curl jq dos2unix
+
+COPY entrypoint.sh /opt/entrypoint.sh
+RUN dos2unix /opt/entrypoint.sh ; chmod +x /opt/entrypoint.sh
+
+CMD ["sh", "/opt/entrypoint.sh"]

data/apidemo-cron/build/entrypoint.sh

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+#!/bin/bash
+dos2unix $COMMAND
+
+echo "$SCHEDULE $USER $COMMAND" > /etc/cron.d/api-cronjob
+chmod 0644 /etc/cron.d/api-cronjob
+crontab /etc/cron.d/api-cronjob
+touch /var/log/cron.log
+env > /etc/environment && cron -f

data/apidemo-cron/scripts/get_cryptocurrency.sh

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+#!/bin/bash
+DATE=`date +"%Y-%m-%d"`
+curl https://api.coindesk.com/v1/bpi/currentprice.json > /tmp/cryptocurrency.json
+jq -c 'del(.disclaimer)' /tmp/cryptocurrency.json >> /opt/output/cryptocurrency_$DATE.json
+find /opt/output/ -mtime +5 -delete