docker-registry-driver-gcs

Update, February 2015: We've launched Google Container Registry and recommend using it instead of docker-registry. Container Registry is a private Docker registry running on Google Cloud Storage. It uses the same authentication, storage, and billing as docker-registry, without the need to run a host instance for your registry. Images on Google Container Registry can be accessed easily from Google Compute Engine, Managed VMs, Google Container Engine, non-Google cloud providers, or your own machines.

Sources for google/docker-registry, Docker Registry image to push/pull your Docker images to/from Google Cloud Storage.

Define 'gcs' as a storage plugin
Has OAuth2 support built in
Works locally and on Google Compute Engine

Usage

After google/docker-registry is built or pulled from the public registry you can push/pull docker images to/from your Google Cloud Storage bucket.

Specifying the bucket

You need to specify the GCS bucket to store your images in. To do that, set the GCS_BUCKET environment variable when running the Docker container.

docker run -d -e GCS_BUCKET=your-bucket -p 5000:5000 google/docker-registry

You can optionally set the STORAGE_PATH environment variable to specify the path to the registry location inside the bucket. Make sure to have a leading slash and not have a trailing one in the path specification.

docker run -d -e GCS_BUCKET=your-bucket -e STORAGE_PATH=/containers -p 5000:5000 google/docker-registry

Credentials

There are three ways to specify the credentials:

Specify the Google Cloud Platform OAuth refresh token directly in an environment variable. It is best to put this in an --env-file so it can't be seen with ps when not running detached. Example:

 $ gcloud auth print-refresh-token
 ...your-refresh-token...
 $ cat registry-params.env
 GCP_OAUTH2_REFRESH_TOKEN=your-refresh-token
 GCS_BUCKET=your-bucket
 $ docker run -d --env-file=registry-params.env -p 5000:5000 google/docker-registry

A .boto file in the /.config directory in the docker-registry container. The easiest way to do this is to use the google/cloud-sdk Docker image to create these credentials, and import its /.config volume using --volumes-from.

$ docker run -ti --name gcloud-config google/cloud-sdk gcloud auth login
Go to the following link in your browser:

    https://accounts.google.com/o/oauth2/auth [snip]

Enter verification code: [snip]

You are now logged in as [you@gmail.com].
Your current project is [None].  You can change this setting by running:
  $ gcloud config set project <project>

$ docker run -ti --volumes-from gcloud-config google/cloud-sdk \
    gcloud config set project <project>

$ docker run -d -e GCS_BUCKET=your-bucket -p 5000:5000 \
    --volumes-from gcloud-config google/docker-registry

Run on Google Compute Engine with a properly configured service account:

 $ gcutil addinstance --zone=us-central1-a --machine_type=f1-micro \
     --image=projects/google-containers/global/images/container-vm-v20140522 \
     --service_account_scopes=storage-rw \
     my-docker-vm

 [snip]

 $ gcutil ssh my-docker-vm
 $ sudo docker run -d -e GCS_BUCKET=your-bucket -p 5000:5000 google/docker-registry

Using the registry

docker tag myawesomeimage localhost:5000/myawesomeimage
docker push localhost:5000/myawesomeimage

Building google/docker-registry image

docker build -t google/docker-registry .

Notes

Current image size: 428.8 MB

License

GoogleCloudPlatform/docker-registry-driver-gcs

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