#lambda Development Tutorials & Tips | Roast Dev

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STEP-BY-STEP GUIDE: Lambda + CRR + EC2 Control + SNS (Email)

Create an SNS Topic for Email Alerts Go to AWS Console > SNS > Topics Click Create topic Type: Standard Name: AlertTopic Click Create Under Subscriptions, click Create subscript...

06.04.2025 0 Read More

AWS Lambda processa dezenas de trilhões de invocações todos os meses

(Video in Portuguese, English description at the end of the post) Portuguese Description Você sabia que o AWS Lambda processa dezenas de trilhões de invocações todos os meses?Com mais de 1...

07.04.2025 0 Read More

How To Test AWS Lambda Function Locally: A Must Have Guide For Developers And Testers

Learn how to test AWS Lambda functions on your local machine without deploying to AWS. Save time and streamline your development process with my step-by-step guide, including code snippets and practic...

08.04.2025 0 Read More

Managing Environment Variables and Secrets in AWS Lambda (Node.js + SAM)

In the previous post, we optimized AWS SAM Node.js Lambda with esbuild. We’ll dive into configuring environment variables and securely managing secrets using AWS Secrets Manager in an AWS Lambda fun...

08.04.2025 0 Read More

AWS Serverless CRUD App Tutorial Using Lambda, API Gateway, DynamoDB, Cognito and Cloudfront CDN

In this tutorial, we will use AWS services to create a serverless application for a coffee shop. The user (coffee shop owner in this case) can authenticate using AWS Cognito and manage inventory (perf...

08.04.2025 0 Read More

AWS Lambda Extensions and Impact of Nodejs native fetch

Using the Lambda extensions necessitates establishing a connection between the process and the extension API via register() and next() calls. While this seems straightforward, there are caveats to det...

08.04.2025 0 Read More

Trigger Lambda from SQS in Minutes: No-Fluff Guide

A step-by-step guide on how to trigger lambda using SQS In this blog, we'll walk through how to set up an AWS Lambda function that processes messages from an Amazon SQS (Simple Queue Service)...

09.04.2025 0 Read More

Building a Self-Destructing File Uploader with AWS Lambda, API Gateway, S3, and React

Do you want to share a file to someone—ensuring that it disappears(or get deleted) after a short time maybe for privacy or for temporary access?In this blog, I’ll walk you through how I built a Se...

09.04.2025 0 Read More

Creating and Using Lambda Layers with AWS SAM and Node.js

As your Lambda functions grow, you’ll want to avoid duplicating code or dependencies across functions. AWS Lambda Layers solve this by letting you package shared code (like libraries or utilities) o...

10.04.2025 0 Read More

AWS Serverless: Using Managed DeepSeek R1 with Amazon Bedrock, Lambda & API Gateway

In my previous article, I explained how the DeepSeek R1 Distilled model can be used with Amazon Bedrock by storing it in an S3 bucket and importing it before invoking it via AWS Lambda and API Gateway...

11.04.2025 0 Read More

STEP-BY-STEP GUIDE: Lambda + CRR + EC2 Control + SNS (Email)

AWS Lambda processa dezenas de trilhões de invocações todos os meses

How To Test AWS Lambda Function Locally: A Must Have Guide For Developers And Testers

Managing Environment Variables and Secrets in AWS Lambda (Node.js + SAM)

AWS Serverless CRUD App Tutorial Using Lambda, API Gateway, DynamoDB, Cognito and Cloudfront CDN

AWS Lambda Extensions and Impact of Nodejs native fetch

Trigger Lambda from SQS in Minutes: No-Fluff Guide

Building a Self-Destructing File Uploader with AWS Lambda, API Gateway, S3, and React

Creating and Using Lambda Layers with AWS SAM and Node.js

AWS Serverless: Using Managed DeepSeek R1 with Amazon Bedrock, Lambda & API Gateway

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