Publishing WebJobs with Azure Pipelines: http://diegogiacomelli.com.br/publishing-webjobs-with-azure-pipelines/

azure-pipelines.yml

trigger:
- master
- develop
- release/*

pool:
  vmImage: 'windows-latest'

variables:
  azureSubscription: '<AZURE SUBSCRIPTION>'    
  
  buildPlatform: 'Any CPU'
  buildConfiguration: '<Debug|Release|...>'
  
  solution: '<PATH TO SOLUTION FILE (.sln)>'
  webJobsProjectName: '<WEBJOBS PROJECT NAME>'
  webJobsName: '<WEBJOBS NAME (AS DEFINED ON AZURE WEB INTERFACE)>'
  webAppName: '<WEB APP NAME ON AZURE>'  
  
  ftpServerUrl: 'ftp://<AZURE FTP URL>'
  ftpUsername: '<AZURE FTP USERNAME>'
  ftpPassword: '<AZURE FTP PASSWORD>'

steps:
- task: NuGetToolInstaller@0

- task: NuGetCommand@2
  inputs:
    restoreSolution: '$(solution)'

- task: VSBuild@1
  displayName: 'Build'
  inputs:    
    solution: '$(solution)'
    msbuildArgs: '/p:DeployOnBuild=true /p:WebPublishMethod=Package /p:PackageAsSingleFile=true /p:SkipInvalidConfigurations=true /p:PackageLocation="$(build.artifactStagingDirectory)"'
    platform: '$(buildPlatform)'
    configuration: '$(buildConfiguration)'

- task: AzureAppServiceManage@0
  displayName: 'WebJob: stop'
  inputs:
    azureSubscription: $(azureSubscription)
    Action: 'Stop all continuous webjobs'
    WebAppName: $(webAppName) 

- task: FtpUpload@2
  displayName: 'WebJob: publish'
  inputs:    
    credentialsOption: 'inputs'
    serverUrl: $(ftpServerUrl)
    username: $(ftpUsername)
    password: $(ftpPassword)
    rootDirectory: '$(build.SourcesDirectory)/src/$(webJobsProjectName)/bin/$(buildConfiguration)/'
    filePatterns: '**'
    remoteDirectory: '/site/jobs/continuous/$(webJobsName)/'
    clean: false
    cleanContents: false
    preservePaths: true
    trustSSL: false

- task: AzureAppServiceManage@0
  displayName: 'WebJob: start'
  inputs:
    azureSubscription: $(azureSubscription)
    Action: 'Start all continuous webjobs'
    WebAppName: $(webAppName)  

AzureRmWebAppDeployment-lines.ts

var physicalPath: string = '/site/wwwroot';

if(taskParams.VirtualApplication) 
{
	physicalPath = await appServiceUtility.getPhysicalPath(taskParams.VirtualApplication);
	await kuduServiceUtility.createPathIfRequired(physicalPath);
    	virtualApplicationPath = physicalPath;
}