added shell entrypoint

pbsclient/docker/Dockerfile

@@ -6,6 +6,6 @@ RUN wget https://enterprise.proxmox.com/debian/proxmox-release-bookworm.gpg -O /
 RUN echo "deb http://download.proxmox.com/debian/pbs-client bookworm main" > /etc/apt/sources.list.d/pbs.list
 RUN apt update 
 RUN apt install -y proxmox-backup-client
-COPY ./docker/scripts/entrypoint.sh /entrypoint.sh
-RUN chmod +x /entrypoint.sh
-ENTRYPOINT [ "/entrypoint.sh" ]
+COPY ./docker/scripts/entrypoint.sh /usr/local/bin/entrypoint.sh
+RUN chmod +x /usr/local/bin/entrypoint.sh
+ENTRYPOINT [ "/usr/local/bin/entrypoint.sh" ]

pbsclient/docker/scripts/entrypoint.sh

@@ -1,3 +1,10 @@
-#!bin/bash
+#!/bin/bash
+
+if [[ "$MODE" == "shell" ]]; then
+    "$@"
+else
+    proxmox-backup-client "$@"
+fi
+
+
 
-proxmox-backup-client "$@"