Pack and push Dockerfile as an Artifact

[pack & push]azure-pipelines.yml

trigger:
- feature/POC-Demo

pool:
  vmImage: 'ubuntu-latest'

variables:
  packageName: 'LibraryContainerAppJob'
  packageVersion: '$(Build.BuildNumber)'
  sourcePath: 'ConsoleDemo.Library'
  outputPath: '$(Build.ArtifactStagingDirectory)'

steps:
- task: ArchiveFiles@2
  displayName: 'Package Dockerfile and related files'
  inputs:
    rootFolderOrFile: '$(sourcePath)'
    includeRootFolder: false
    archiveType: 'zip'
    archiveFile: '$(outputPath)/$(packageName).$(packageVersion).zip'

- task: PublishBuildArtifacts@1
  displayName: 'Publish Package to Azure Artifacts'
  inputs:
    PathtoPublish: '$(outputPath)/$(packageName).$(packageVersion).zip'
    ArtifactName: '$(packageName)'
    publishLocation: 'AzureArtifacts'