#!/bin/sh
set -e

echo "Docker pruner starting as $(whoami). Schedule: ${PRUNE_SCHEDULE}"

# Write crontab from env var at runtime
CRONTAB_FILE=/tmp/crontab
echo "${PRUNE_SCHEDULE} docker system prune -af >> /tmp/prune.log 2>&1" > "${CRONTAB_FILE}"

exec supercronic "${CRONTAB_FILE}"