Add comprehensive backup system and Docker registry push script

backup-docker-image-only.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+TIMESTAMP=$(date +%Y%m%d-%H%M%S)
+BACKUP_DIR="backups/docker-images"
+
+mkdir -p "$BACKUP_DIR"
+
+echo "Backing up Docker image..."
+echo ""
+
+IMAGE_NAME="masina-dock_masina-dock"
+IMAGE_FILE="$BACKUP_DIR/masina-dock-image-$TIMESTAMP.tar"
+
+docker save -o "$IMAGE_FILE" "$IMAGE_NAME" 2>/dev/null || docker save -o "$IMAGE_FILE" masina-dock:latest
+
+if [ -f "$IMAGE_FILE" ]; then
+    echo "Compressing image..."
+    gzip "$IMAGE_FILE"
+    IMAGE_FILE="$IMAGE_FILE.gz"
+    
+    SIZE=$(du -h "$IMAGE_FILE" | cut -f1)
+    echo ""
+    echo "Docker image backup completed!"
+    echo "File: $IMAGE_FILE"
+    echo "Size: $SIZE"
+    echo ""
+    echo "To restore this image:"
+    echo "  gunzip -c $IMAGE_FILE | docker load"
+else
+    echo "Error: Could not save Docker image"
+    exit 1
+fi