Private docker registry with Basic Auth

Configuration here is for a private docker registry behind a reverse proxy.

Setting up

Create a username and password.

docker run --entrypoint htpasswd httpd:2 -Bbn username password >> auth/registry.password

Running the registry

docker compose up -d

Managing commands

List all repositories

curl -u username:password https://dregistry.dojob.dev/v2/_catalog

List tags in repository

curl -u username:password https://dregistry.dojob.dev/v2/your_repository/tags/list

Deleting images

Get the sha256 digest

curl -u username:password -v --silent -H "Accept: application/vnd.docker.distribution.manifest.v2+json" 2>&1 -X GET https://dregistry.dojob.dev/v2/your_repository/manifests/your_tag | grep Docker-Content-Digest | awk '{print ($3)}'

Remove the manifest with the output of the previous command

curl -u username:password -v -X DELETE https://dregistry.dojob.dev/v2/your_repository/manifests/<sha256.value_from_previous_command>

Run the garbage collector

docker exec docker-registry registry garbage-collect  /etc/docker/registry/config.yml --delete-untagged