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401.32 Reading Notes
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Serverless & Amplify

Serverless Architecture

Serverless Overview

  • Serverless systems run by externalizing some of the backend infrastructure of an application to a centralized platform run by a third party. Computing resources are divided up between (VERY) many clients on the basis of discrete processes rather than portioned per application. ("Functions as a Service")

    • Major providers include: AWS (Amazon); Azure Functions (Microsoft); Google Cloud Functions

Pros & Cons

  • Advantages:

    • Low cost for relatively less computationally-intense applications (relative to traditionally maintained servers)

    • Uniform development environment (vs. dev, production, etc)

    • Allows for scaling without fundamental change in infrastructure/design

  • Disadvantages:

    • Cannot route as directly to hosted content(needs to be accessed through provider's API)

    • Must support libraries of code for functionality that may be irrelevant to your app for the purposes of serverless dependencies

    • Ill-suited to longer, more complex functions

    • Cannot address scaling in any way other than service provider products

AWS Amplify

  • Amplify is Amazon's popular (not yet ubiquitous) framework and suite of tools for use with their Amazon Web Services cloud hosting. Amplify has command-line and UI-based functionality to integrate databasing, auth, and other backend features.