You can either purchase a parallel job or you can request a free tier. An ability to run pipelines on Microsoft-hosted agents.An Azure account with an active subscription.For more complicated scenarios such as needing to use XML parameters in your deploy, you can use the Azure App Service deploy task (AzureRmWebAppDeployment). You'll use the Azure Web App task ( AzureWebApp) to deploy to Azure App Service in your pipeline. Learn about the key concepts and components that make up a pipeline. A step is the smallest building block of a pipeline and can be a script or task (prepackaged script). YAML pipelines are defined using a YAML file in your repository. Azure Pipelines lets you build, test, and deploy with continuous integration (CI) and continuous delivery (CD) using Azure DevOps. Use Azure Pipelines to automatically deploy your web app to Azure App Service on every successful build.
Azure DevOps Services | Azure DevOps Server 2020 | Azure DevOps Server 2019