# README
docker-registry-importer
docker-registry-importer is a tool to import images from a tar (not a file saved with docker save!) file.
Export
Usage of docker-registry-importer:
-export
export
-cache-dir string
cache directory for export
-config string
config
-file string
tar file to import
-include-repo-name
includeRepoName
Example
$ docker-registry-importer --export \
--file images.tar \
--cache-dir ./cache \
docker.io/library/alpine:3.18 \
docker.io/library/busybox:1.36.0
Import
Usage of docker-registry-importer:
-file string
tar file to import
-url string
registry address (e.g. http://docker-registry.io/v2/)
-username string
registry username
-password string
registry password
-proxy string
socks5 proxy (e.g. 1.2.3.4:1234)
Example
$ docker-registry-importer --import \
--url http://docker-registry.io \
--file images.tar \
--username username \
--password password
Config File Structure
{
"repositories": {
"custom-registry-1.io": {
"endpoint": "http://custom-registry-1.io",
"username": "username",
"password": "password"
},
"docker.io": {
"endpoint": "https://registry-1.docker.io"
}
}
}
tar archive structure
library/something/manifests/v1.2.3
repo/name/manifests/TAG_NAME
...
library/something/manifests/sha256:e372ed08ad996742c98b2bf83df787ac26cb1062063986db65c2fe5b34a35fe2
library/something/manifests/sha256:DIGEST
...
blob/sha256:284842a36c0d8eea230cfd5e7a4a6b450fcd63d1c4737f236a91e1671455050a
blob/sha256:3cca8e8510b3d56a64390c3328b31be3a09171557044c1e6431e7bf6ba90f255
blob/sha256:DIGEST
...