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Author: Abul Hasnat

Customizing Cognito verification emails with HTML using AWS Lambda

This has become very common to use AWS Cognito as an authentication system in modern days. Using Cognito, when a user signs up or gets an invitation from another user, he gets an email with password and verification codes. But the email is in simple plain text. But we can easily configure a lambda function that can customize and beautify this email according to our needs. To configure the lambda, first, we have to understand the...

Demystifying cron job through AWS lambda in Serverless

Some services like video upload to social media like Facebook, YouTube, etc via API need some time to process the request as it takes time to finish the processing of a video by Facebook or YouTube. At Craftsmen, for one of our customers we have a service API where users can send us requests with a video URL, and in which social media platform the video should be uploaded, our API will upload the video to...

[email protected], a different way to configure SPA client side routing (like ReactJS, Angular JS or Vue JS) with S3 and CloudFront

If you are reading this post, that means you already know about serverless, cloudfront and deploying front end using S3 static web hosting. In this article, I will be sharing a different approach to solve the 403 and 404 error, when a user tries to visit a page of your SPA using direct URL. The Problem In any SPA framework, the app itself is loaded when you load the home page (e.g. /, or /index.html). For example,...