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Docker Push and Registries

Tag, push, and pull images across Docker Hub and private registries.

  • docker push
  • docker pull
  • docker tag
  • private registry
  • multi-arch

Docker Push and Registries

Tag, push, and pull images across Docker Hub and private registries.

Commands

CommandWhat it does
docker tag app:v1 registry.example.com/team/app:v1Retag for a registry
docker push registry.example.com/team/app:v1Upload the image
docker pull registry.example.com/team/app:v1Download on the server
docker logoutRemove stored registry credentials
docker manifest inspect nginx:1.27Check multi-arch support

Example

docker tag app:v1 registry.example.com/team/app:v1.3
docker push registry.example.com/team/app:v1.3
docker pull registry.example.com/team/app:v1.3

FAQ

Do I need :latest too?

Push both the version tag and latest on release so quick experiments still work while prod pins versions.

Why is push slow?

Each layer uploads once; squash RUN steps and share base images across services to minimize new layers.

Preguntas frecuentes

Do I need :latest too?
Push both the version tag and latest on release so quick experiments still work while prod pins versions.
Why is push slow?
Each layer uploads once; squash RUN steps and share base images across services to minimize new layers.

Docker

Docker Install and Setup
Verify the Docker engine, configure context, and check versions.
Docker Images
Pull, list, tag, inspect, and remove images confidently.
Docker Containers
Run, list, stop, and clean up containers in daily work.
Docker Run Options
The flags that matter: detach, ports, env, volumes, limits.