Push docker image into ACR

push-image2acr.ps1

<#
.Synopsis
    Pushes docker image to Azure Container Registry. Requires Docker engine to be available and running on the machine that executes this script. 
    Requires az-cli >= 2.0.13

.Example
  .\push-image2acr.ps1 -RegistryName myregistry -ImageName myImageWithTag
#>
[CmdletBinding()]
param(
    [Parameter(Mandatory=$true)] $RegistryName,
    [Parameter(Mandatory=$true)] $ImageName
)

$Error.Clear()
Trap
{
    Write-Error $_.ErrorDetails.Message
    Write-Error $_.InvocationInfo.PositionMessage
    Write-Error $_.CategoryInfo.ToString()
    Write-Error $_.FullyQualifiedErrorId
    $e = $_.Exception
    while ($e.InnerException) {
      $e = $e.InnerException
      $msg += "`n" + $e.Message
    }
    break;
}

# login to ACR
# if can't login into ACR, try restarting or even re-installing Docker engine. Azure CLI ACR commands seem to use docker behind the scene.
az acr login -n $RegistryName
# push image into ACR using docker
docker push $ImageName
# list available images in ACR
az acr repository list -n $RegistryName -o table