Share your image¶

The following steps are required to share your newly created docker image to docker registry.

Create Dockerhub account¶

Docker hub is one of the main docker registry to store your images. You can save multiple public images for free. To sign up to docker hub visit here.

Note

Make a note of your dockerhub account name because you will need it to login from terminal in a later step.

Create a repository¶

Login to docker hub account online.
Click Repositories tab from the top bar.

Create a repository
1. Give a name, better to give the same name as the image name e.g. image_1 in our case.
2. Give a description.
3. Select the public/private permission.
4. Click Create to create the repo.

Tag your image¶

Now you need to tag your image to link it to your dockerhub account. The format is

docker tag image_1:v1 <dockerhub_username>/<repository_name>:<tag_name>
# e.g.
docker tag image_1:v1 mianasbat/image_1:v1
# To check the updated image
docker images

Login to dockerhub¶

On docker host login to your docker hub account from terminal by the following command and providing the password when requested.

# On Mac and Linux
docker login
username: <enter dockerhub id>
password: <enter password>
Login succeeded

# On Windows gitbash
winpty docker login
username: <enter dockerhub id>
password: <enter password>
Login succeeded

Upload to dockerhub¶

Finally to push it to dockerhub

docker push <dockherhub_username>/image_name:v1
e.g.
docker push mianasbat/image_1:v1

Verify the upload¶

On completion of the upload step, go to dockerhub online and check the repository. You will have the new image available. Click the public view to see how to download.