docker-stafwag-registry

Dockerfile to run docker-registry inside a docker container. The registry daemon will run as the librarian user. The uid/gid is mapped to 50000. The image is based on Debian.

Installation

clone the git repo

$ git clone https://github.com/stafwag/docker-stafwag-registry.git
$ cd docker-stafwag-registry

deb package or build from source

2 docker files are included:

Dockerfile:

The default dockerfile will use the debian docker-registry package.
Dockerfile_from_src:

Will compile the docker register from source.

https://github.com/distribution/distribution

You can set the git release version in the Dockerfile with

ENV DOCKER_DISTRIBUTION_VERSION="v2.7.1"

To compile the docker registry from source, you can use the -f Dockerfile_from_src argument.

$ docker build -f Dockerfile_from_src -t stafwag/registry .

Update the configuration

$ vi etc/docker/registry/config.yml

The htpasswd authentication is enabled in the configuration. You can mount the passwd file as a volume.

Build the image

The command below builds the image image with the default BASE_IMAGE debian:bullseye.

$ docker build -t stafwag/registry .

To use a different BASE_IMAGE, you can use the --build-arg BASE_IMAGE=your_base_image.

$ docker build --build-arg BASE_IMAGE=stafwag/debian:bullseye -t stafwag/registry .

Volume and passwd file

Create a directory for the docker registry.

$ sudo mkdir -p /home/volumes/docker/registry
$ sudo chown 50000:50000 /home/volumes/docker/registry

Create a htpasswd file

Create htpasswd file.

-B set the hash to brcypt. -c creates a new file.

$ htpasswd -B -c passwd ikke
New password: 
Re-type new password: 
Adding password for user ikke

Update the permissions.

$ sudo chown root:50000 passwd
$ sudo chmod 0640 passwd
$ ls -l passwd
-rw-r----- 1 root 50000 66 Jun  1 09:39 passwd
$

Run

Run the docker command:

docker run -d --rm --name myregistry -p 5000:5000 -v /path/to/passwd:/etc/docker/registry/passwd -v /home/volumes/docker/registry:/var/lib/docker-registry stafwag/registry:latest

Have fun

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