diff --git a/docker/entrypoint.sh b/docker/entrypoint.sh
new file mode 100644
index 0000000..e90bc87
--- /dev/null
+++ b/docker/entrypoint.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+set -euo pipefail
+
+SYNC_CRON="${SYNC_CRON:-0 */6 * * *}"
+GIT_SSH_KEY_PATH="${GIT_SSH_KEY_PATH:-/etc/mirror/git-deploy-key}"
+
+# Cron-Job mit den aktuellen Env-Variablen schreiben
+{
+  echo "CONFIG_REPO_URL=${CONFIG_REPO_URL:-}"
+  echo "CONFIG_REPO_BRANCH=${CONFIG_REPO_BRANCH:-main}"
+  echo "GIT_SSH_KEY_PATH=${GIT_SSH_KEY_PATH}"
+  echo "${SYNC_CRON} root /usr/local/bin/sync.sh >> /var/log/sync.log 2>&1"
+} > /etc/cron.d/repo-sync
+chmod 0644 /etc/cron.d/repo-sync
+
+touch /var/log/sync.log
+crond
+
+# Initialer Sync, damit das Repo beim ersten Start nicht leer ist
+/usr/local/bin/sync.sh || echo "[entrypoint] Initialer Sync fehlgeschlagen, Nginx startet trotzdem."
+
+exec nginx -g 'daemon off;'
\ No newline at end of file