Login github package registry in private repository from github action service

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we are trying to use a private docker image hosted on the Github Package of our organization. Something like this:

on: push

jobs:
  runner-job:
    runs-on: ubuntu-latest
    services:
      postgres:
        # Github Registry image here
        image: ghcr.io/orgname/reponame:tag

But we are getting an unauthorized error, which is normal, becuase the registry is private. Is there some way to login? I have not found any way or docs.

github-package-registry github-actions docker
1 Answers

You have to add credentials to each service where you use an image from a private repository. From the docs:

If the image's container registry requires authentication to pull the image, you can use credentials to set a map of the username and password. The credentials are the same values that you would provide to the docker login command.

And here is an example:

on: push

jobs:
  runner-job:
    runs-on: ubuntu-latest
    services:
      postgres:
        image: ghcr.io/orgname/reponame:tag
        # add this to each service with an image from a private repo
        credentials:
          username: ${{ secrets.DOCKER_USER }}
          password: ${{ secrets.DOCKER_PASSWORD }}

This example implies that you have two secrets: DOCKER_USER and DOCKER_PASSWORD.

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