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What_is_serverless_anyway_.pdf
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Peter-John Welcome
October 19, 2018
Technology
1
35
What_is_serverless_anyway_.pdf
This is a talk a gave at JoziJS in Johannesburg about serverless functions.
Peter-John Welcome
October 19, 2018
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Transcript
What is serverless anyway? Peter-John Welcome @pjapplez Mobile Engineering Lead
About me
Before Serverless • On Premise • IaaS • Paas
None
What is serverless? • invisible infrastructure. • auto scaling. •
Event driven. • pay for what you use.
Serverless Providers
What is serverless functions? • Serverless Environment (Backend Code) •
Microservice • Code as infrastructure
None
Why serverless functions? • Load balancing and scaling is not
really that important as a developer. • Authenticated access to providers services (Google ML API’s/ Microsoft Cognitive Services) • Fully managed system
Types of functions
What is serverless good for? • Web hooks • Creating
API's • Callbacks from 3rd party services • Lightweight data transfers • IOT
Languages
Google Cloud functions
Cloud Functions Integration • Http Endpoints • Firebase host for
dynamic serving of content • Crashlytics • Cloud pub/sub • Firebase Auth,Cloud Messaging, Analytics ,Cloud Storage, RT Database , Firestore
None
Time Demo $ npm install -g firebase-tools $ npm install
--save gcloud $ npm i -g azure-functions-core-tools https://aws.amazon.com/lambda/
Runtime configuration
Unit Testing https://firebase.google.com/docs/functions/unit-testing
Running Locally $ firebase serve --only functions, hosting (Https endpoint
functions) $ firebase experimental: functions : shell --port 11111 ( function triggers- Firebase)
Running on CI/CD https://circleci.com/docs/2.0/deployment_integrations/#firebase
Resources to get started • https://www.youtube.com/watch?v=2ZGYLblGZQA • https://www.youtube.com/watch?v=JenJQ6gc14U • https://www.youtube.com/watch?v=837zPKooaaU
• https://cloud.google.com/functions/ • https://aws.amazon.com/lambda/ • https://docs.microsoft.com/en-us/azure/azure-f unctions/ • https://serverless.com/blog
Thanks! Contact me: https://medium.com/@pjwelcome @pjapplez
[email protected]
Peter-johnwelcome.co.za https://github.com/pjwelcome