init

Dockerfile

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+FROM debian:bookworm-slim
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install needed tools
+RUN apt-get update && apt-get install -y \
+    wget \
+    gnupg \
+    ca-certificates \
+    lsb-release \
+    && rm -rf /var/lib/apt/lists/*
+
+# Add Proxmox Backup Client repository
+RUN echo "deb http://download.proxmox.com/debian/pbs-client bookworm main" \
+    > /etc/apt/sources.list.d/pbs.list
+
+# Add Proxmox repository key
+RUN wget -qO /etc/apt/trusted.gpg.d/proxmox-release-bookworm.gpg \
+    http://download.proxmox.com/debian/proxmox-release-bookworm.gpg
+
+# Install Proxmox Backup Client
+RUN apt-get update && \
+    apt-get install -y proxmox-backup-client && \
+    rm -rf /var/lib/apt/lists/*
+
+CMD ["proxmox-backup-client", "--help"]