Docker Desktop-4: Docker Hub authorization for Docker Desktop and Pushing an image from Docker Desktop to Docker Hub.

We will authorize Docker Desktop for Docker Hub, and tag an image, then push the image from Docker Desktop to Docker Hub. Later we’ll check the image that we push in the Docker Hub. Also, we’ll learn the cause and solution of the “errors: denied: requested access to the resource is denied unauthorized: authentication required” error.

Topics we will cover:

1. The “errors: denied: requested access to the resource is denied unauthorized: authentication required” error

2. Docker Hub authorization for Docker Desktop

3. Tagging the image

4. Pushing the image from Docker Desktop to Docker Hub

5. Checking the image that we pushed in the Docker Hub

6. As a result

7. References

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1. The “errors: denied: requested access to the resource is denied unauthorized: authentication required” error

We pulled the image named “tylercounter/bookstore-api:latest” from Docker Hub to our local PC, as shown in Figure 1.

docker pull tylercounter/bookstore-api:latest

Figure 1

We can send this image file in Docker Desktop to Docker Hub, as shown in Figure 2.