Merge pull request 'dev-fix-crontab-functionality' (#2) from dev-fix-crontab-functionality into main

Reviewed-on: #2

.dockerignore

@@ -1,5 +1,4 @@
 .gitignore
 LICENSE
 README.md
-.drone.yml
 Dockerfile

Dockerfile

@@ -1,5 +1,4 @@
 FROM alpine:latest
-COPY . opt
-RUN apk add --no-cache cronie
+COPY entrypoint.sh /opt
 RUN chmod +x /opt/entrypoint.sh
 CMD ["/opt/entrypoint.sh"]

entrypoint.sh

@@ -2,4 +2,8 @@
 
 CRON_CONFIG_FILE="/etc/crontabs/root"
 
-echo "${CRON} echo "Come in the water is fine!" > /opt/output.log" > $CRON_CONFIG_FILE
+grep -qF 'echo Come in the water is fine!' $CRON_CONFIG_FILE || echo "${CRON} echo Come in the water is fine!" >> $CRON_CONFIG_FILE
+grep -qF 'echo Turn on the bubbles!' $CRON_CONFIG_FILE || echo "${CRON} echo Turn on the bubbles!" >> $CRON_CONFIG_FILE
+grep -qF '@reboot' $CRON_CONFIG_FILE || echo "@reboot echo Let\'s get in the water again!" >> $CRON_CONFIG_FILE
+
+exec crond -f