Container Registry

What are Container Registries?

• Central repositories for container images
• Private or/or public
• Docker Hub : hub.docker.com
• Microsoft
• Azure Container Registry
• Microsoft Container Registry (public images) : mcr.microsoft.com
• Amazon Elastic Container Registry
• Google Container Registry

Publish to Docker Hub

# login to Docker Hub
docker login -u <username> -p <password>

# tag the image previously built
docker tag my_image k8sacademy/my_image:latest

# push the image
docker push k8sacademy/my_image:latest

# pull the image
docker pull k8sacademy/my_image:latest

See L10-03 Push Express site to Docker Hub for more details.