Introduction to Serverless Architecture
- Madhu
- Todays Talk
What is Serverless?
What’s so special about it?
use cases
Demo
About Me
- JavaScript Developer @ Imaginea Tech
- Angular, Vue.js, Node.js
- Opensource contributer
github: madhusudhand
twitter: madhudollu
Serverless?
There are Servers
Run code without provisioning
or managing servers
zero administration*
API
Method
getUsers( )
endpint
/users
Operating System
VM
Runtime
Load balancers
Configurations
...
Cloud providers
Cloud Providers?
AWS Lambda
Google Cloud functions
Azure functions
Benifits
Pay for what you use
Scaling
Easier / Green deployments
Drawbacks
Vendor lock-in
Statelessness
Startup latency
No Long running functions
caching
Tooling
serverless
shep
Demo
AWS Lambda
&
Node.js
Function
exports.handler = (event, context, callback) => {
// TODO implement
callback(null, 'Hello from Lambda');
};