Getting Started with Quay.io

Sign into Quay.io

To sign into Quay.io, execute the docker login quay.io command:

Note: If you go to your Quay account settings you can create an encrypted password for more security.

$ docker login quay.io
Username: myusername
Password: mypassword

Create a new container

First we’ll create a container with a single new file based off of the ubuntu base image:

$ docker run ubuntu echo "fun" > newfile

The container will immediately terminate (because its one command is echo), so we’ll use docker ps -l to list it:

$ docker ps -l
CONTAINER ID        IMAGE               COMMAND             CREATED
07f2065197ef        ubuntu:12.04        echo fun            31 seconds ago

Make note of the container id; we’ll need it for the commit command.

Tag the container to an image

We next need to tag the container to a known image name

Note that the username must be your Quay.io username and reponame is the new name of your repository.

$ docker commit 07f2065197ef quay.io/username/reponame
e7050e05a288f9f3498ccd2847fee966d701867bc671b02abf03a6629dc921bb

Push the image to Quay.io

$ docker push quay.io/username/reponame
The push refers to a repository [quay.io/username/reponame] (len: 1)
Sending image list
Pushing repository quay.io/username/reponame (1 tags)
8dbd9e392a96: Pushing [=======>         ] 21.27 MB/134.1 MB 40s

Pull the image from Quay.io

If any changes were made on another machine, a docker pull can be used to update the repository locally

$ docker pull quay.io/username/reponame