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 [...]

Building a Private React Application Infrastructure with Terraform

This is the first part of a series of blogs about the platform management of a React Application infrastructure using Terraform. In the early phases of a software development project, it is mandatory to have the application reviewed by security way before the Beta release to ensure that the app adheres to the standards of a secure web application and is able to protect the sensitive data it handles. Most of the time, DevOps [...]

How to Install and Configure PHP OpCache with Web Viewer on Ubuntu 20.04

The performance of your PHP applications can be significantly enhanced by using OpCache, a PHP opcode cache. OpCache reduces the need to recompile your PHP scripts on each request by storing the generated bytecode in memory, resulting in quicker execution rates and lessened server load. Image retrieved from https://www.pinterest.ph/pin/flash-running-poster-custom-posters-design-your-own-wall-art-create-personalized-prints--792281759458556733/ This article will walk you through installing and configuring PHP OpCache with Web Viewer on Ubuntu 20.04. Install OpCache Install the Nginx, PHP, and additional [...]

Deploying a Serverless Inference Endpoint with Amazon SageMaker

Introduction Welcome to our deep dive into the world of serverless machine learning (ML) inference using Amazon SageMaker. In this blog post, we will explore the innovative and efficient approach of deploying ML models without the need for managing servers, a method known as serverless inference. What is Serverless Inference? Serverless inference is a cloud computing execution model where the cloud provider dynamically manages the allocation of machine resources. The key advantage here is [...]

My AWS Certified Data Engineer Associate DEA-C01 BETA Exam Experience

I recently took the beta exam of the AWS Certified Data Engineer - Associate DEA-C01 online, and from the get-go, I can see its resemblance to the AWS Certified Data Analytics Specialty test, albeit not entirely the same in terms of depth. This new Associate-level exam aims to validate the skills and knowledge of IT Professionals in core data-related AWS services, such as the ability to implement data pipelines, perform cost optimization, troubleshoot data [...]

Adding SSL to WordPress Website with Let’s Encrypt

With the rapid advancement of technology today, it is undeniable that this has resulted in a higher number of cyber-attacks, calling every website owner to strengthen their preemptive measure to protect and have robust security for their website and its users. One essential way of boosting website security is by obtaining an SSL (Secure Sockets Layer) certificate. This article will explore the reasons and benefits of adding an SSL certificate to your WordPress website. [...]

Setting Up AWS EventBridge for Cross-Region IAM Event Notifications

AWS EventBridge is a serverless event bus service that simplifies event-driven architectures. In this guide, we'll explore how to leverage EventBridge with a cross-region event bus to overcome the regional limitations associated with IAM (Identity and Access Management) events. This setup will enable you to capture and respond to IAM events seamlessly across AWS regions. Use Case: Cross-Region IAM Event Notifications with AWS EventBridge AWS CloudWatch Events are powerful, but they are region-specific, posing [...]

Mastering AWS CDK Part 2: Leveraging Custom Constructs

In the previous article, we delved into the fundamentals of AWS CDK, focusing on leveraging AWS's pre-built constructs. We examined a straightforward Serverless REST API architecture, which integrates three primary serverless services from AWS. These include Amazon API Gateway as the REST API's access point, AWS Lambda for computing, and Amazon DynamoDB for data storage. The Fat Lambda In contrast to the basic architecture previously discussed, it's important to note that such a setup [...]

In-Place Querying in AWS

When you look at the Gartner magic quadrant of cloud service providers, AWS is still the leader and the leading visionary of the cloud computing space. It offers an array of services that empower companies and organizations to manage and analyze massive sets of data with unprecedented agility. At the core of this revolution, “In-place querying” is a technique pioneered by AWS that is reshaping how data is processed in the cloud. In this [...]

Batch Data Ingestion Simplified in AWS

Today's tech industry is dominated by Big Data and Cloud Computing. It is crucial for companies and organizations to efficiently manage large volumes of data. To address this important need, AWS offers robust solutions for handling these chunks of large data, particularly through batch data ingestion. This process involves collecting and importing bulk or big data into storage or other processing systems at regular intervals or specific events. Batch data ingestion is crucial for [...]

Data Ingestion in AWS: Handling Homogenous and Heterogenous Data

The phrase "data is the new oil" or "data is the new gold" may sound like a cliche, but it captures the fact that data is a critical asset for modern businesses. Companies have long used data to inform strategic decisions, especially in today's tech industry. Many organizations now build dedicated data analytics teams to harness information gathered from various sources. Yet, for an average Joe, the process of transforming data into actionable insights [...]