Created
July 21, 2025 06:36
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Transfer docker image to remote machine without docker registry
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| dcp() { | |
| if [ "$#" -ne 2 ]; then | |
| echo "Usage: dcp <image:tag> <user@host>" | |
| return 1 | |
| fi | |
| # Check if pv is installed | |
| if ! command -v pv &> /dev/null; then | |
| echo "❌ Error: 'pv' is not installed. Please install it to show progress." | |
| return 1 | |
| fi | |
| local image="$1" | |
| local dest="$2" | |
| local image_size | |
| # Get the image's uncompressed size to provide an accurate progress bar | |
| image_size=$(docker image inspect --format='{{.Size}}' "$image") | |
| if [ -z "$image_size" ]; then | |
| echo "❌ Error: Could not determine size of image '$image'. Aborting." | |
| return 1 | |
| fi | |
| echo "🚀 Transferring image '$image' to '$dest'..." | |
| docker save "$image" | pv -s "$image_size" | gzip | ssh "$dest" "gunzip | docker load" | |
| echo "✅ Transfer complete." | |
| } |
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