This amazon web services tutorial shows How to migrate EC2 instances from one region to other in AWS. # Learn AWS Lambda with a demo.
# Different attributes of Lambda.
# Specifying VPC & IAM role for Lambda.
# AWS lambda function Deep Dive.
# Checking Lambda logs.
# Understanding AWS Lambda pricing.
In this AWS Lambda tutorial will give an overview of Amazon lambda and its features. AWS Lambda is an event-driven, serverless computing platform provided by Amazon as a part of the Amazon Web Services. It is a compute service that runs code in response to events and automatically manages the compute resources required by that code. The purpose of Lambda, as compared to AWS EC2, is to simplify building smaller, on-demand applications that are responsive to events and new information. AWS targets starting a Lambda instance within milliseconds of an event. AWS Lambda was originally designed for use cases such as image upload, responding to website clicks or reacting to sensor readings from an IoT connected device. AWS Lambda can also be used to automatically provision back-end services triggered by custom HTTP requests, and "spin down" such services when not in use, to save resources. These custom HTTP requests are configured in AWS API Gateway, which can also handle authentication and authorization in conjunction with AWS Cognito.
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