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Serverless

Serverless tutorials and articles about the services provided by AWS eg. AWS Lambda, API Gateway etc.

What is Amazon EventBridge?

Amazon EventBridge is a managed serverless event bus that you can use to connect your applications to various data sources. Amazon EventBridge was formerly known as Amazon CloudWatch Events. Any rules created in CloudWatch Events are also displayed in the EventBridge console. Amazon EventBridge has new features which are not

Using Amazon SNS with Amazon Lambda

How to use Amazon Lambda with Amazon SNS?

Amazon SNS (Simple Notification Service) is a fully managed messaging service that allows you to de-couple and scale for applications. Amazon SNS allows you to have application-to-application (A2A) and application-to-person (A2P) communication.

How do you choose between Events, Queues, Topics, and Streams for your Serverless Application?

When you are building microservices-based serverless applications, one of the important things will be communication between the services. When we talk about serverless in AWS, the first thing that comes to mind is the AWS Lambda service provided by AWS. In this post we will focus on how do you

How is AWS Lambda triggered?

We have written a few blog posts which talked about AWS Lamda, its introduction and some other areas about how to use it to spin up your API using javascript.

Workflow of Lambda Authorizer

A guide to Lambda authorizer for Amazon API Gateway

In our previous post, we talked about how to use the Cognito authorizer to control access to the API Gateway. What if you don't use Cognito or want to implement your custom logic to figure out whether the user can have access to your services or not. This is where

Authorization Using Amazon Cognito User pool

How to use Cognito User Pool Authorizer with Amazon API Gateway?

In the previous post, we talked about the various ways you can use to manage access to the REST API [https://awsmag.com/how-to-manage-access-to-rest-api-in-amazon-api-gateway/]. One of those ways was using Cognito User Pool authorization. If you are using Amazon Cognito to control the identity management for your applications, the API

How to manage access to REST API in Amazon API Gateway?

How to manage access to REST API in Amazon API Gateway?

Amazon API Gateway [https://awsmag.com/introduction-to-api-gateway/] is a fully managed service that helps developers to create and deploy scalable APIs on AWS. These APIs act as an entry point for the applications to connect and get access to data, perform business logic or access any other AWS service. In