fix cron after first run + add hc

scripts/entrypoint.sh

@@ -1,14 +1,22 @@
 #!/bin/sh
 
-set +e
+set -e
+
+# crond runs jobs with a bare environment (HOME/PATH/SHELL only), so the
+# container env is dumped here and sourced back by backup.sh on every run.
+ENV_FILE=/tmp/container.env
+export -p | grep -v -E "^export (PWD|SHLVL|OLDPWD|_)=" > "$ENV_FILE"
+chmod 600 "$ENV_FILE"
 
 # Create crontab in a writable location and set proper permissions
 mkdir -p /tmp/crontabs
-echo "${CRONTAB:-"0 * * * *"} /scripts/backup.sh >> /proc/1/fd/1 2>&1" > /tmp/crontabs/root
+echo "${CRONTAB:-"0 * * * *"} /scripts/backup.sh --from-cron >> /proc/1/fd/1 2>&1" > /tmp/crontabs/root
 chmod 644 /tmp/crontabs/root
 
-# Run initial backup
-/scripts/backup.sh
+echo "[entrypoint] schedule: ${CRONTAB:-"0 * * * *"} (TZ=${TZ:-UTC})"
+
+# Run initial backup (do not abort the container if it fails)
+/scripts/backup.sh || echo "[entrypoint] initial backup failed, continuing to crond"
 
 # Start crond in foreground with debug output
 exec crond -f -c /tmp/crontabs -d 0