~/.docker/config.json

https://docs.docker.com/engine/reference/commandline/cli/#docker-cli-configuration-file-configjson-properties

~/.docker/config.json
{
  "credsStore": "desktop",
  "credHelpers": {
    "gcr.io": "gcloud",
    "us.gcr.io": "gcloud",
    "eu.gcr.io": "gcloud",
    "asia.gcr.io": "gcloud",
    "staging-k8s.gcr.io": "gcloud",
    "marketplace.gcr.io": "gcloud"
  }
}%

~/.docker/config.json
{
        "auths": {
                "https://index.docker.io/v1/": {
                        "auth": "XXXXXXXXXXXXX",
                        "email": "[email protected]"
                }
        }
}

 ~/.docker/config.json
 {
	"auths": {
		"012345678.dkr.ecr.eu-central-1.amazonaws.com": {}
	},
	"credsStore": "desktop",
	"credHelpers": {
		"asia.gcr.io": "gcloud",
		"eu.gcr.io": "gcloud",
		"gcr.io": "gcloud",
		"marketplace.gcr.io": "gcloud",
		"staging-k8s.gcr.io": "gcloud",
		"us.gcr.io": "gcloud"
	}
 }%

{
	"auths": {
    "https://index.docker.io/v1/": {
      "auth": "bG90YXM6MjWQtYzlhZWJmNGFiZjMz"
    }
   },
	"credHelpers": {
		"asia.gcr.io": "gcr",
		"eu.gcr.io": "gcr,"
		"gcr.io": "gcr",
		"marketplace.gcr.io": "gcloud",
		"staging-k8s.gcr.io": "gcr",
		"us.gcr.io": "gcr"
	}}

Related

• ~/.docker/daemon.json
• gcloud auth configure-docker
• GitLab CI: DOCKER_AUTH_CONFIG
• docker login
• ~/.dockercfg
• Avalanche
• Kubernetes secrets: kubernetes.io/dockerconfigjson
• Password

See also

• docker config, ~/.docker/config.json, CredsStore, CredHelpers
• Docker: docker-compose, Docker Desktop, Docker Scout, Docker Swarm, Docker Volumes, Docker images management, docker network, docker inspect, docker volume inspect, Dockerfile, Docker Engine release notes,docker kill, moby, Docker-in-Docker, docker context, buildx, docker tag, docker system prune, Docker Hub, hub-tool, /etc/docker/daemon.json, hostconfig.json, dockerd, logs, Docker logging, Backup, docker service, depends on, --dns, --filter, --mount, docker login, docker build, apt remove docker.io, .dockerignore, docker context ls | docker-machine, .docker/, PWD, $HOME/.docker/config.json, Docker ID, --env-file, docker --help
• Credential Helpers, credHelpers, credsStore, docker-credential-osxkeychain