#aws Development Tutorials & Tips | Roast Dev

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How to Secure AWS Lambda Webhooks With Signature Verification

Webhooks are a common way to receive real-time updates from third-party services. When using AWS Lambda to handle webhooks, it's crucial to ensure the incoming requests are authentic. In this tutorial...

21.04.2025 0 Read More

Hands-on with Amazon CloudFront

I recently explored Amazon CloudFront, AWS’s content delivery network (CDN) service, and here’s a hands-on guide based on what I learned. If you’re a beginner looking to speed up your static sit...

21.04.2025 0 Read More

AWS VPC Setup: Public & Private Subnets with IGW, NAT, and EC2

Setting up a Virtual Private Cloud (VPC) is foundational when deploying resources in AWS securely. This guide walks you through creating: A VPC Public & Private Subnets Internet Gateway NAT...

21.04.2025 0 Read More

How I used Amazon QuickSight to Visualize Data

Upload your dataset and the 'manifest.json' file into S3 S3 is used in this project to store my dataset and manifest.json file. I edited the manifest.json file by updating the S3 URL of my d...

21.04.2025 0 Read More

Organize Your Cloud Environment with AWS My Applications

My application is a feature that helps organize and manage resources in the AWS cloud. In the AWS console, we can view my application widget as follows:Below is a summary of the features provided by M...

21.04.2025 0 Read More

From CosmosDB to DynamoDB: Migrating and Containerizing a FastAPI + React App

Building and deploying a full-stack application involves more than just writing code. It's a journey through infrastructure, automation, and inevitable troubleshooting. As part of the Learn to Cloud i...

21.04.2025 0 Read More

AWS-Cloud Networking (Peering VPCs)

What is VPC Peering and its key features? VPC VPC Peering is a network connection between two Virtual Private Clouds (VPCs). It allows traffic to be routed privately between VPCs using priva...

21.04.2025 0 Read More

How to Reduce Big Data Analytics Costs by 90% with Karpenter and Spark

Apache Spark powers large-scale data analytics and machine learning, but as workloads grow exponentially, traditional static resource allocation leads to 30–50% resource waste due to idle Executors ...

21.04.2025 0 Read More

From Scripts to Cloud: My Hands-On Guide to ML + DevOps

As a DevOps engineer, I'm used to automating backend systems, deploying apps, and scaling infrastructure. But when I trained my first machine learning model, I found myself asking: How do I bring the ...

21.04.2025 0 Read More

AWS Glue Interview Questions (and Answers) [Updated 2025]

Navigating the technical interview process for data engineering, ETL development, or cloud architect roles on AWS? You absolutely need to be prepared for AWS Glue interview questions. As AWS's premier...

21.04.2025 0 Read More

How to Secure AWS Lambda Webhooks With Signature Verification

Hands-on with Amazon CloudFront

AWS VPC Setup: Public & Private Subnets with IGW, NAT, and EC2

How I used Amazon QuickSight to Visualize Data

Organize Your Cloud Environment with AWS My Applications

From CosmosDB to DynamoDB: Migrating and Containerizing a FastAPI + React App

AWS-Cloud Networking (Peering VPCs)

How to Reduce Big Data Analytics Costs by 90% with Karpenter and Spark

From Scripts to Cloud: My Hands-On Guide to ML + DevOps

AWS Glue Interview Questions (and Answers) [Updated 2025]

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