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 [...]

The Year of the Agent: Anthropic’s Claude AI Models and Agents

Looking back on the past year of 2025 coding with the help of artificial intelligence, we can safely say that it was the year of agents, especially pioneered by Anthropic with Claude Code. AI products have matured to offer highly reliable agents that can understand, navigate, and work seamlessly on large codebases. It is the end of the old ways: of manually copying and pasting code into web AI applications. Agents are now [...]

AI-Driven Cloud Security at AWS re:Invent 2025

Cloud computing continues to accelerate at a pace that traditional security models were never designed to support. Development teams now provision infrastructure in minutes, deploy services continuously, and scale applications automatically. However, security processes often lag behind this speed. In many organizations, security still enters the workflow after key architectural decisions are already finalized. As a result, teams spend more time fixing problems than preventing them. Although many organizations attempt to shift security earlier [...]

Amazon Q in Practice: How AWS’s AI Assistant Actually Works for Businesses and Developers

Amazon Q is often introduced as AWS's generative AI assistant, but that description doesn't really explain why it exists or how it behaves once you start using it. If you treat Amazon Q like a general chatbot, it can feel restrictive or underwhelming. If you treat it as an AWS-native system designed around identity, permissions, and retrieval, it becomes much easier to understand. And much more useful. I've spent a lot of time working [...]

AWS Security Agent: Context-Aware Application Security

The Problem: Security Can't Keep Up In the current engineering landscape of our industry, modern software teams are supposed to be built to be able to move fast. Continuous integration, automated deployments, and agile workflows have seen the rise of weekly and even daily releases to be the norm. With rising business and customer demands in the time of rapid advancements in technology, new features, fixes, and changes are constantly pushed to production. However, [...]

Automating PII Detection and Redaction with Amazon Comprehend

Organizations today are entrusted with enormous amounts of sensitive information. Customer support logs, healthcare records, financial transactions, and even training datasets often contain Personally Identifiable Information (PII) such as names, phone numbers, email addresses, or credit card numbers. Protecting this information is not just a matter of compliance with regulations like GDPR, HIPAA, or PCI DSS. It is also central to maintaining customer trust and reducing the risk of data breaches. Amazon Comprehend, a [...]

Build a Model-Agnostic AI Text Summarizer Web Extension

Browser extensions are a great way to bring AI directly into your everyday workflows. Instead of copying text into external tools and websites to be summarized, you can do it right on the page. In this tutorial, we'll build a lightweight, model-agnostic Chrome extension that summarizes selected text using AI. With a simple right-click, users can send any highlighted text to an AI model of their choice and instantly view a concise summary in [...]

AWS Lambda Managed Instances: Serverless Simplicity with EC2 Control

AWS Lambda Managed Instances marks a significant evolution in serverless computing. For years, standard Lambda was the default for running code without infrastructure management, but it offered limited control over the underlying hardware. This new capability changes that by combining serverless simplicity with Amazon EC2 flexibility. Announced at AWS re:Invent 2025, this feature enables Lambda functions to run on designated Amazon EC2 instances. You choose the hardware configuration, while AWS manages the infrastructure. [...]

How to Generate Simple Document Embeddings with Python

Document embeddings are one of the simplest ways to give machines an understanding of text, and in our previous article, Document Embeddings Explained: A Guide for Beginners, we explored how they turn entire documents into dense numerical vectors that capture meaning and context. Now that you understand what embeddings are and why they’re useful for tasks like semantic search, classification, and clustering, this tutorial will show you how to generate them in practice using [...]

Open Cybersecurity Schema Framework (OCSF) and Amazon Security Lake

Amazon Security Lake is a managed service that collects and stores security logs from AWS services, on-premises systems, and supported third-party tools. It automatically converts all incoming data into Apache Parquet and formats everything using the OCSF schema. This setup allows different kinds of security logs to follow one consistent structure instead of having separate formats. With this unified approach, teams no longer need to decode or reorganize data manually because Security Lake handles [...]

Can Gemini 3 Replace My AI Toolkit?

I've always approached AI with one mindset: use whatever tool gets the job done fastest and cleanest. I'm not loyal to one model, one company, or one ecosystem. I switch between tools depending on what my day looks like. In school, that might mean summarizing academic papers. At work or during self-study, that might mean debugging code or reviewing a cloud diagram. For daily life, it might just mean drafting an email or organizing [...]