docker credential gcloud – host discount code

It seems like you’re asking about using Docker with Google Cloud credentials, possibly in the context of automating authentication for Docker to push or pull images from Google Cloud’s container registry. Here’s a simple guide to using Docker with Google Cloud credentials:

Step 1: Install Google Cloud SDK

Make sure you have the Google Cloud SDK installed. This will provide you with the necessary tools to interact with Google Cloud services, including Docker credential management.

You can install the SDK by running:

bash
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curl https://sdk.cloud.google.com | bash

Step 2: Authenticate with Google Cloud

Once the Google Cloud SDK is installed, authenticate with your Google Cloud account using:

bash
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gcloud auth login

Step 3: Configure Docker to Use Google Cloud Credentials

To allow Docker to use your Google Cloud credentials for interacting with the Google Container Registry (GCR), run the following command:

bash
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gcloud auth configure-docker

This command configures Docker to automatically use your Google Cloud credentials when interacting with Google Cloud repositories. It sets up your Docker configuration to authenticate with the Container Registry.

Step 4: Push or Pull Docker Images

Once your credentials are configured, you can use Docker commands like docker push or docker pull to interact with Google Cloud repositories.

For example, to push an image to Google Container Registry, run:

bash
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docker tag your-image gcr.io/your-project-id/your-image
docker push gcr.io/your-project-id/your-image

Replace your-image with the name of your Docker image and your-project-id with your actual Google Cloud project ID.

Step 5: Verify Docker Configuration

To confirm everything is set up correctly, you can check the Docker configuration file at ~/.docker/config.json. It should include an entry for Google Cloud credentials, like this:

json
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{
  "auths": {
    "gcr.io": {
      "auth": "your_base64_encoded_auth"
    }
  }
}

That’s it! Now, Docker will use Google Cloud credentials to access and manage images on GCR automatically