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 [...]

Amazon S3 Event Notifications

With Amazon S3 being virtually unlimited in size, it's quite a challenge to keep everything monitored, especially when you are dealing with a large number of objects that scales up from time to time. With Amazon S3 Event Notifications, you’ll be able to immediately know when an object in your bucket was created, removed, or restored. This feature lets you get notifications whenever an event happens on your S3 bucket. These notifications can then [...]

AWS Service Catalog

Bookmarks Features Concepts Security Pricing AWS Service Catalog Cheat Sheet Allows you to create, manage, and distribute catalogs of approved products to end-users, who can then access the products they need in a personalized portal. Administrators can control which users have access to each product to enforce compliance with organizational business policies. Administrators can also set up adopted roles so that end users only require IAM access [...]

Configuring Notifications for Amazon EC2 Auto Scaling Lifecycle Hooks

Auto Scaling Lifecycle Hooks In the previous post, we talked about Auto Scaling Lifecycle Hooks and how to configure it on your Auto Scaling group. You can view the article here. It’s better to read it first before proceeding with this section. In a nutshell, Auto Scaling Lifecycle Hooks allow you to put an instance in the “wait” state while the Auto Scaling group responds to a scale-out or scale-in event. While the instance [...]

AWS Secrets Manager vs Systems Manager Parameter Store

Bookmarks AWS Systems Manager Parameter Store AWS Secrets Manager Similarities and Differences Managing the security of your applications is an integral part of any organization especially for infrastructures deployed in the cloud. One aspect of application security is how the parameters such as environment variables, database passwords, API keys, product keys, etc. are stored and retrieved. As a best practice, secret information should not be stored in plain [...]

MID-YEAR SALE – 20% OFF on All Practice Test Courses PLUS Bigger Bundle Discounts!

MID-YEAR SALE - 20% OFF on All Practice Test Courses PLUS Bigger Bundle Discounts! We hope you are staying safe in these challenging times. For seven days only, Tutorials Dojo is running a MID-YEAR SALE where all of our AWS practice exams and eBooks are offered at heavily discounted prices. Promo period is from July 1 7PM (UTC+8) to July 8 7PM (UTC+8). How are the courses from the Tutorials Dojo portal different from those on other learning platforms like Udemy? Aside from [...]

Step Scaling vs Simple Scaling Policies vs Target Tracking Policies in Amazon EC2

Bookmarks Simple Scaling Target Tracking Step Scaling Creating a Step Scaling Policy for an Auto Scaling Group Amazon’s EC2 Auto Scaling provides an effective way to ensure that your infrastructure is able to dynamically respond to changing user demands. For example, to accommodate a sudden traffic increase on your web application, you can set your Auto Scaling group to automatically add more instances. And when traffic is [...]

Amazon EC2 Auto Scaling Lifecycle Hooks

Bookmarks Auto Scaling Lifecycle Hooks Configure Lifecycle Hooks on your Auto Scaling Groups Amazon EC2 Auto Scaling allows you to scale-out or scale-in your EC2 instances automatically based on policies you configured in response to changing demand on your application. Auto Scaling Groups lets you set a minimum and maximum number of EC2 instances to automatically resize your cluster based on a defined schedule or instance metrics such as [...]

AWS Global Accelerator vs Amazon CloudFront

In this day and age, your site speed performance is an important factor when it comes to user experience. It is widely recommended for websites to have an average load time of 3 seconds as users tend to abandon the site if a page takes longer than 3 seconds to load. According to Amazon, just 100 milliseconds of extra load time cost them 1% in sales. Indeed, every second counts in our fast-paced digital [...]

AWS CodeCommit Repository

Amazon Web Services, with its ever-growing breadth of services, offers a fully-managed version control system where developers can privately store their application source code like Github or Bitbucket. CodeCommit can be used as a staging ground coupled with CodeDeploy and CodePipeline to seamlessly deploy code to Amazon EC2 instances. In this article, I will discuss how we can leverage Amazon SNS to send notifications whenever there are events in our repository. This is particularly [...]

Our AWS Community is Expanding!

Our AWS Community is Expanding! Join our Slack and Facebook Groups for More Exam Tips Over the past couple of years, Tutorials Dojo has garnered over 100,000 student enrolments on Udemy and is proud to have a passing rate of at least 90% in all of our practice test courses based on user feedback. Every day, we'd receive more than a handful of success stories and valuable insights about the actual AWS exams, however, [...]