Push a Docker container image to the Azure Container Registry

To push a Docker container image to the Azure Container Registry

Build the Docker container image

Navigate to https://www.docker.com/ and create a free Docker Hub account
Install the Docker Desktop application
Start the Docker Desktop application
Open a terminal and navigate to the application root directory where the Dockerfile is located
In the terminal execute the command
docker build -t MY_IMAGE .
Push the image to the registry

	az login
	az acr login --name MY_REGISTRY
	docker tag MY_IMAGE:latest MY_REGISTRY.azurecr.io/MY_REPOSITORY/MY_IMAGE:latest
	docker push MY_REGISTRY.azurecr.io/MY_REPOSITORY/MY_IMAGE:latest

Troubleshooting

Error message when building the image

docker build -t …:latest .
ERROR: error during connect: Head “http://%2F%2F.%2Fpipe%2FdockerDesktopLinuxEngine/_ping”: open //./pipe/dockerDesktopLinuxEngine: The system cannot find the file specified.

Solution

Start the Docker Desktop application

Error message when pushing the image to Azure Container Registry

error from registry: authentication required, visit https://aka.ms/acr/authorization for more information. CorrelationId: 2a33d0ac-091c-4158-b927-397c6e5692cf