AWS Lambda

Pure definition from AWS  on  AWS Lambda :

AWS Lambda is a compute service that runs developer's code in response to events and automatically manages the compute resources for them, making it easy to build applications that respond quickly to new information.


Lambda is purely  Event Driven Code.
Code Size limitations
Lambda as a component.
Performance Limitations.
Long running workloads.

Understanding Serverless Functions

Starting with Lambda Functions

Considerations and limitations.

Supported languages

Size and resource limitations

Other considerations

Lambda prerequisites.

Gathering dependencies

-> Libraries.
-->  HTML
-->  AWS Services
--> API Keys

Writing code

->  Local or IDE
-> oR IN   AWS  editor.

Function packages

--->   Creating a Function package

Debugging

-->    
-->  User logging
-->  Environment differences.

Deploying  our Lambda Canary

d

Deploy First Lambda Function

Let's deploy  a  Lambda canary function, which regularly checks availability statuses of our imaginary client's website, woof Garden. 


Deploying the Lambda Canary.

-> Configure Clodwatch schedule.

                 Rule name
                 Rule description
                 Schedule expression  -  rate 5 mins
--> Modify the Pyton function.

               Name
               Description
               Runtime    -  Python  2.7

--> Adjust function settings.
-->  Configure a default test
-->  Review our function results.




Set run internal
Function reviews website
website status recorded