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[Error] Push image to container registry: authentication required

Posted August 10, 2020 2.6k views
DigitalOcean

First: push 2 image size: 17.2MB vs 23.5 MB, success.
Then, I push a image with size 2.37 GB

061c76d11c20: Pushing [==================================================>]  2.268GB
244f992db81c: Layer already exists
40149c0b59b9: Layer already exists
6a71212e7be2: Layer already exists
7b5f4a643c16: Layer already exists
99b5261d397c: Layer already exists
unauthorized: authentication required

So, how I can push it in to container registry. Thanks for any support

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hungnn
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hungnn

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  • jvalcher March 7, 2021
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    The same thing happend to me. A 2GB image got all the way to the end and then showed “unathorized: authentication required”. I pushed a smaller image no problem. Any suggestions?

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bobbyiliev August 12, 2020

Hi there @hungnn,

I could suggest following these steps here:

  • Make sure that your image tag and name is correct matching your Docker hub repository name:
docker images
  • If this is not the case tag your image accordingly:
docker tag IMAGE_ID YOUR_TAG

For example:

docker tag 5bbpg22ssd34 bobbyiliev/php-image:latest
  • Then login to Docker Hub:
docker login
  • Then finally push the image:
docker push bobbyiliev/php-image:latest

For more information you could take a look at the following tutorial:

How to push images to Docker Hub

Let me know how it goes!
Regards,
Bobby

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