initial commit

backupd/entrypoint.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+CRON_EXPR="${BACKUP_CRON:-0 2 * * *}"
+
+cat > /etc/backup-cron <<EOF
+${CRON_EXPR} /usr/local/bin/backup.sh
+EOF
+
+exec /usr/local/bin/supercronic /etc/backup-cron