Tech Blogs - Tutorials Dojo

Build an 8-Bit AI Architecture Generator (Next.js & Groq)
Have you ever wanted to build a completely custom AI Architecture Generator, but got stuck trying to force a language model to output perfectly valid diagram syntax? Downloading a standard flowchart library is rarely plug-and-play. You wire up the code, run it, and immediately hit walls, from struggling to [...]
App Deployment Is More Than Just Writing Code
When I first started learning about application development, I thought creating an app was mostly about writing code, designing the interface, and making sure the features worked. Once the application was built, I assumed the next step would be to publish it and let people use it. However, as [...]
Setting up Amazon SES for a Lightsail Based Application
On this article, you will learn how you can send emails from AWS Simple Email Service (Amazon SES) on applications hosted in AWS Lightsail, a virtual private server. You will learn how to verify a sending domain, connect your application, and prepare to send password resets, notifications, and newsletters. [...]
How to Build an AI-Powered Django Notes App for Free
Have you ever wanted to build a completely custom AI-powered note-taking app, but got stuck trying to make the backend talk to modern language models? Downloading a starter Django repository is rarely plug-and-play. You clone the code, run it, and immediately hit walls, from struggling to securely [...]
What’s New with the AWS Certified Developer Associate (DVA-C03)?
If you are preparing for the AWS Certified Developer – Associate (DVA-C02) exam, you may be wondering what the new DVA-C03 exam means for you. AWS is updating this certification to match the skills developers use today—such as building apps on AWS, using AI tools to help write and [...]
What’s New with the AWS Certified Solutions Architect Professional (SAP-C03)?
If you have been preparing for the AWS Certified Solutions Architect – Professional (SAP-C02) exam, you may be wondering what the upcoming SAP-C03 update means for your study plan. AWS is refreshing the certification to reflect the broader responsibilities of today’s solutions architects—from designing reliable, cost-efficient systems to integrating [...]
Vera Rubin: NVIDIA’s Blueprint for the Agentic AI Era
If AI keeps getting smarter, can the infrastructure behind it keep up? Artificial intelligence is rapidly moving beyond simply generating answers. Modern AI systems are becoming capable of reasoning through problems, using external tools, retrieving information, executing tasks, and deciding what to do next. This is the idea behind [...]
Multi-Agent AI Isn’t What You Think: Here’s What’s Really Happening Under the Hood
Multi-Agent AI Isn’t What You Think: Here’s What’s Really Happening Under the Hood What if I told you that a “team of AI agents” can sometimes be the same language model being called multiple times with different instructions? No digital employees sitting inside a virtual office. No group of [...]
AI-Powered Support Ticket Analyzer with Claude on Amazon Bedrock
The AI-Powered Support Ticket Analyzer uses Claude on Amazon Bedrock to classify, prioritize, summarize, and route customer support tickets. It helps determine whether a ticket can receive an AI-generated response or requires human review. Support teams often receive a mix of billing concerns, technical issues, account-access problems, product questions, [...]
Meet QUERY: The New HTTP Method for Complex Queries
HTTP has been around for decades, and most developers are already familiar with methods like GET, POST, PUT, and DELETE. These methods are the building blocks behind many of the websites, applications, and APIs we use every day. For simple tasks, they work remarkably well. But as modern applications [...]

AWS Certification Path

Before jumping into the different AWS certification paths, it's good to first learn the benefits of being AWS certified through this short article. It is also important to note that AWS has scrapped the prerequisite for Professional-level exams. Previously, you could only take the Professional-level exams (Solutions Architect Professional and DevOps Engineer Professional) after passing their Associate-level counterparts. Now, you can take any AWS exam without the need to pass any prior AWS exam, [...]

AWS, Azure, and GCP Certifications Path

In cloud computing and the IT industry in general, one way to prove that you know what you’re talking about is through certifications. If you are new to cloud, you might be wondering which AWS, Azure or Google Cloud certification exam is suitable for you. The first thing you need to do before you start is to write down your purpose in getting certifications. Is it for career growth, financial growth, or personal growth? [...]

Amazon Quantum Ledger Database (QLDB) (Retired)

Bookmarks How it Works Common Use Cases Components Of QLDB Performance Scalability Reliability Backup and Restore Security Pricing Limitations Amazon Quantum Ledger Database Cheat Sheet ⚠️ SERVICE DEPRECATION NOTICE AWS announces the end of support for Amazon Quantum Ledger Database (QLDB). End of Support: The service discontinued fully on July 31, 2025. Migration: AWS recommends migrating existing QLDB workloads to Amazon [...]

10 Common Use Cases of Cloud Computing

In the previous post, we gave you a few compelling reasons why you should learn cloud computing. In this section, we'll share with you the 10 most common use cases of cloud computing. Cloud computing is a powerful way of quickly building I.T infrastructures that can scale at any time. Large businesses and corporations have started moving their operations into the cloud as early as a decade ago. And most of them have attributed [...]

Amazon DocumentDB

Bookmarks How it Works Use Cases Performance Scaling Reliability Backup and Restore Security Pricing Limitations Amazon DocumentDB Cheat Sheet Fully managed document database service designed to be fast, scalable, and highly available. Data is stored in JSON-like documents. Compatible with MongoDB. Flexible schema and indexing. Commonly used for content management, user profiles, and real-time big data. How it Works An Amazon DocumentDB [...]

AWS DataSync vs Storage Gateway

Learn more about the use cases and differences between AWS Data Sync and Storage Gateway in this comparison table: DataSync Storage Gateway Description AWS DataSync is an online data transfer service that simplifies, automates, and accelerates the process of copying large amounts of data to and from AWS storage services over the Internet or over AWS Direct Connect. AWS Storage Gateway is a hybrid cloud storage service that gives you on-premises access to [...]

AWS CloudFormation Deletion Policy

Deleting a stack on CloudFormation also removes all the provisioned resources in it. In some cases, you want some resources to be retained even after deleting its stack. The good thing is that you can do this by defining its DeletionPolicy. This is pretty straightforward - you just need to define DeletionPolicy with Retain value and for the resources that support snapshot, (like RDS databases) you can set Snapshot as its value. With DeletionPolicy: [...]

AWS CloudFormation StackSets and Nested Stacks

AWS CloudFormation lets you model and provision resources for your environment using programming language, leveraging the concept of Infrastructure as Code (IaC). You don’t need to manually create all of your resources one by one, CloudFormation will do this for you. All resources are defined on the AWS CloudFormation template. This means that this AWS environment can be reliably and easily reproduced since everything is declared on a template. For example, creating a new [...]

Amazon Neptune

Bookmarks How it Works Common Use Cases Deployment Neptune Database vs. Neptune Analytics Performance Reliability Backup And Restore Security Pricing Monitoring Limitations Amazon Neptune Cheat Sheet Amazon Neptune is a fully managed graph database service used for building applications that work with highly connected datasets. Optimized for storing billions of relationships between pieces of information. Provide milliseconds latency when querying [...]

Amazon S3 Access Points

Managing access to your S3 buckets should be pretty easy using Amazon S3’s bucket policy. But as the number of your users and data grows, this easily becomes a complicated task. Provisioning access policies (who and where to access these objects) to these users could be a messy thing to do. AWS added this feature called Access Points on S3 to resolve this current problem. Access Points can simplify things in terms of provisioning [...]