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4.4. App Services.md

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App Services

SKUs

  • Basic Tier
    • Scaling is manual
  • Standard or upper service tiers
    • Scaling is automatic
    • ❗ Standard tier allows to scale up to 10 instances.
      • 💡 If you still need more instances you can go to the Isolated tier where you can scale up to 100 instances
  • 💡 Use Standard or Premium tiers in order to support autoscale and SSL.

Authorization types

  • Allow all requests
    • Use your own authentication and authorization code.
  • Allow only authenticated requests
    • User is challenged or returned 401
  • Allow Anonymous requests
    • Handles authentication & authorization
    • Defers authorization decisions to your application code

App Types

Web Apps

  • PaaS offering to host web applications.
  • Fully managed and easily configurable for e.g. such as AlwaysOn, custom domains, and autoscale.
  • Supports .NET, Java, PHP, Node.js, or Python
  • Deploy: Git, Kudu, Microsoft Visual Studio through FTP or Web Deploy protocol.
  • Autoscale
    • Creates multiple instances of the Web App
    • Automatically load balanced to meet potentially demands

Web app containers

  • Linux variant can host docker containers directly using a Web App.
  • Docker containers can be sourced from Docker Hub, Azure Container Registry or GitHub.
  • Can be deployed manually, or deployed in a streamlined continuous integration process using Docker Hub or GitHub.

API apps

  • Specialized version of Web Apps.
  • Support for developing, hosting and securing your custom APIs in the context of App.
  • It can run either
    • custom code or
    • pre-built software to connect to existing popular SaaS solutions through Logic App.
  • Integrates seamlessly with API Management.
  • Easy authentication using service-to-service or CORS.

Mobile Apps

  • Mobile App endpoints are REST APIs.
  • Provides capabilities of:
    • Single sign on
      • From list of Azure AD.
    • Offline sync
      • Work offline when connectivity is not available, and synchronize with your enterprise backend systems when devices comes back online.
      • Data sources include including • SQL • Table Storage • Mongo • Document DB • any SaaS API including Microsoft 365 apps, Salesforce, Dynamics, or on-premises databases.
    • Push notifications
      • Allows you to hook Notification Hubs to any existing app backend.
    • Auto scaling
  • Client SDKs are available to connect mobile app to a Mobile App instance for its backend data.
    • Supported for: • Xamarin Android/IOS, • Android Native, • IOS Native, • Windows Store, • Windows Phone, • .NET, • HTML