Docker push
docker push is a Docker CLI command that uploads a local container image to a container registry.
Bootstrapping Microservices, Second Edition: With Docker, Kubernetes, GitHub Actions, and Terraform
docker push is a Docker CLI command that uploads a tagged Docker image to a container registry.
- How it is used
- Publishes a locally built microservice image to a registry so it is available for Kubernetes deployment.
- How deep it goes
- Works through registry setup, authentication, tagging, pushing, and verification; defers proper handling of the command-line password warning.
- Examples
- Uses a versioned microservice image, registry-qualified tag, copyable push command, Azure portal check, and run test.
- What you can do after
- Operate/configure it to publish a tagged image to a private registry and check for a common tag error.
Learn Docker in a Month of Lunches, Second Edition
The docker image push command uploads a local container image to a registry.
- How it is used
- Shares a locally tagged image through Docker Hub or another container registry.
- How deep it goes
- Explains tagging, authentication, layer uploads, cache matching, and registry verification without detailing registry internals.
- Examples
- Uses image-gallery, the v1 tag, Docker Hub login, layer upload output, and a browser registry listing.
- What you can do after
- Operate Docker CLI commands to tag, authenticate, push, and verify a Docker Hub image.
Read how Learn Docker in a Month of Lunches, Second Edition explains docker push →
Related concepts
- container registryuses · A container registry is a service or repository for storing, managing, and distributing container images and related artifacts.
- Elastic Container Registryuses · Amazon Elastic Container Registry is an AWS-managed service for storing, managing, and distributing container images.
- private registryuses · A private registry is an access-restricted service for storing and distributing software packages, modules, container images, or other artifacts to authorized users or systems.
- container imageuses · A container image is a packaged filesystem and configuration artifact from which a container can be created and run.
- Docker Hubuses · Docker Hub is a hosted container registry and collaboration service for discovering, storing, sharing, and distributing container images and related artifacts.
- docker pullcontrasts with · docker pull is a Docker command that downloads a container image from a registry to the local machine.
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