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Building microservices with azure functions

Getting started in Microservice can be a steep hill to climb, but with Azure Functions we can begin building them within minutes. Azure Functions is a "serverless" computing offering, that allows you to run small bits of JavaScript, C#, Python, PHP, Bash, Batch, and PowerShell that is managed by Azure to scale as needed. In this talk we will cover what are the best applications for Azure Functions, where they fit amongst the many options in cloud computing and go over specific use cases, including building a completely serverless backend for a web application and how it can be used for home automation.

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Building microservices with azure functions

  1. 1. Building Microservices with Azure Functions Justin Maurer Software Developer - Modern Apps @Jmnet
  2. 2. The Evolution Of Computing at Scale Mainframes 1950-1980 On Premise / Co-location 1980-1990 Cloud / IaaS 2000s Cloud / PaaS 2010s
  3. 3. Cloud Computing Today (2017)
  4. 4. Serverless? Where were going we don’t need no servers.
  5. 5. Serverless Computing Architecture Abstraction of Servers Function as a Service (FaaS) Scaling Autopilot The Self Driving Car of Cloud Computing
  6. 6. Ok back to reality…. Things to consider with Serverless Architecture  Loss of control, vendors will put constraints on their services to deliver on reliability and performance goals.  If you are processing a large amount of data (i.e. millions of rows), you will want to break that up into smaller chucks so that it can be processed within a cost affective timeframe.  Assume your code always has the potential to run in parallel as it can with dynamic scaling.  Its bleeding edge, the tooling is limited (Azure Functions local development is in Beta, No IntelliSense in VS)  Serverless is not magic – its just a way to have some experts build the parts of your app that you don’t specialize in.
  7. 7. Azure Functions Microsoft “Serverless” offering, Lightweight, Makes composing Cloud Apps easy Event-Driven, Instant Auto-Scaling Pay only when your Code runs
  8. 8. Azure Functions at a Glance Serverless (FaaS) Binding to Services Language Support Serverless event based processing, auto scales for you based on your actual usage. App developers focus on their business logic / UX. Less on boilerplate and scaling complex infrastructures Announced at Build 2016 Went GA November 2016 Azure Services (Document DB, Logic Apps, Storage, Service Event Hub) Github, Sendgrid, Twilio, Dropbox, OneDrive, Box HTTP & Webhooks C#, Node.js, F#, Python, PHP, Batch and more to come
  9. 9. Part of App Services
  10. 10. Microservice Architecture • A Single application as a suite of small services. • Each running in its own process and communicating with lightweight mechanisms • The focus is on solving business problems, adding capabilities, competitive advantage – not writing boilerplate code • Each Service can have its own lifecycle, deployments and scaling
  11. 11. Samples of Microservices with Azure Functions
  12. 12. Demo Hello World!
  13. 13. Demo Image Processing
  14. 14. Demo Hue app for Google Home