Tech Blogs - Tutorials Dojo

AWS Community Day Manila 2026: Build, Break, Repeat
The AWS User Group Philippines (AWSUG.PH), one of the biggest and most active AWS communities in the Asia Pacific region and twice named AWS User Group of the Year in the region for 2022 and 2025, is bringing back AWS Community Day Manila this August 22 and 23, 2026, [...]
Marketing your App After Launch: What to Do Next
App marketing begins once your product is live and people can try it. This guide is for solo developers, startup teams, and career-changers who have launched an app but need a practical way to find the right users, measure what they do, and turn feedback into steady growth. [...]
Building the Next Chapter of Microsoft Student Community in the Philippines
"We empower the world. Microsoft’s mission is to empower every person and every organization on the planet to achieve more." The Hello, World! Your First Steps into AI and Microsoft meetup marked the beginning of a new chapter for the Microsoft Student Community Philippines (MSC PH)—a nationwide initiative dedicated [...]
What’s New with the AWS Certified Machine Learning Engineer – Associate (MLA-C02) in 2026?
Imagine you’ve been preparing for the AWS Certified Machine Learning Engineer – Associate (MLA-C01) exam for weeks. You’ve reviewed machine learning concepts, practiced with Amazon SageMaker, and worked through practice exams. Then you hear the news: AWS is updating the certification to MLA-C02. Now you might be wondering: Should [...]
Building Production AI Agents on AWS: AgentCore Harness, Strands 1.0, and the Multi-Agent Architecture that Actually Ships
Six months ago, "AI agents on AWS" meant duct-taping together Amazon Bedrock, a Lambda function to handle tool routing, DynamoDB for session state, CloudWatch for tracing, and a LangGraph loop you prayed would recover from a network hiccup mid-reasoning. Every team was reinventing the same infrastructure. Every demo worked; [...]
Build Your Own AI Emoji Generator using Next.js
Have you ever wanted to build a completely custom AI Emoji Generator but got stuck trying to make a cloned template run on your local computer? Downloading a production-ready starter repository is rarely a plug-and-play experience. You clone the code, run it, and immediately hit a wall of scary [...]
Claude Skills Unlocked: A Practical Guide to Anthropic Academy’s 21 Free Courses
Anthropic Academy has grown into one of the more substantial free AI learning resources available today, with 21 self paced courses covering everything from everyday Claude usage to building agents with the Model Context Protocol. Every course is free, requires only an email sign up, and is built directly [...]
Detect Report React Rethinking the Manual Incident Response Playbook
In June 2026, nineteen Philippine government websites, including those of the Senate, the House of Representatives, and the National Bureau of Investigation, were defaced within a single week by a hacktivist group calling itself "Nullsec Philippines." By the time the Department of Information and Communications Technology (DICT) issued its [...]
Automating Publications with Claude, Canva, and n8n
Every business that runs a social media page knows the same repetitive cycle. Pick a topic. Write a caption. Design a graphic. Post it on schedule. Repeat tomorrow. Multiply that by every campaign, every seasonal push, every recurring content series, and it becomes a real operational cost, not just [...]
AI Ethics Explained: How to Use Artificial Intelligence Responsibly
Have you ever used ChatGPT to help explain a difficult topic? Maybe you've asked Gemini to summarize a lengthy article, generate ideas for a school project, write an email, or even use Claude for brainstorming concepts. If you're a student, you've probably wondered: "Is it okay to use AI [...]

My SAA-C03 AWS Certified Solutions Architect – Associate Exam Experience

My team and I took the recently released AWS Certified Solutions Architect - Associate SAA-C03 exam version recently. The SAA-C03 test replaced the old SAA-C02 exam version last August. If you can compare the official exam guide of the previous SAA-C02 version with the latest one (SAA-C03), you may notice that the exam domains are almost exactly the same but with quite different domain percentages. For example, the "Design Secure Applications and Architectures" domain [...]

What’s New with the SAP-C02 AWS Certified Solutions Architect Professional exam this 2023?

The AWS Training and Certification team recently announced the third iteration of its challenging AWS Certified Solutions Architect - Professional (SAP-C02) exam. The first day to take the new version of the AWS Certified Solutions Architect - Professional exam would be on November 15, 2022, with an updated exam code of SAP-C02. Take note that the current version (SAP-C01) will only be available on November 14, 2022 so you still have time to recertify. The [...]

Whitelisting Access to Application Load Balancer Through The Use of AWS WAF

Load balancing an application is a common approach to distributing traffic among multiple servers. It has a breadth of benefits that can optimize performance, including availability and responsiveness, as it spreads the workload from one server to another, preventing server overload. AWS has a wide variety of load balancer types. But one of the most commonly used for web servers is the Application Load Balancer (ALB), as it functions at the application layer, the [...]

Exploring AWS Cloud Quest: Cloud Practitioner Game

What is AWS Cloud Quest? AWS Cloud Quest is an open-world, role-playing game that teaches you how to create AWS solutions using cloud concepts and exercises based on real life. It helps you learn the intricacies of modern cloud technologies and have fun at the same time. Cloud Quest features 12 real-life scenario assignments which prepare and train you to become an AWS Cloud Practitioner at absolutely no cost. This free game targets audiences [...]

Building Dynamic Start and Stop Scheduler Functions for Non-Distributed Applications Under Auto-Scaling Group

In AWS, it’s of utmost importance to consider the cost in every aspect. In fact, cost optimization is one of the 6 pillars of a well-architected framework, therefore, it must be included in every step in building solutions in AWS. There are infinite ways to reduce bills but one of the most popular ones for EC2 instances is to start or stop them, especially if they don't need to run 24/7. But constantly doing [...]

Real-time Monitoring of 5XX Errors using AWS Lambda, CloudWatch Logs and Slack

Monitoring is the best friend of every system administrator. It gives visibility into what is happening on your application so that when an issue occurs, you or someone in your team could be alerted and do the necessary measures to mitigate it. However, this can only be as effective as the metrics you're keeping track of. There are plenty of factors that can affect application performance. And while it’s difficult to stay on top [...]

Automatically stop non-production RDS databases with AWS Lambda and Amazon EventBridge

Every AWS service offering comes with a pay-as-go pricing model, empowering businesses, small or large, to be flexible at experimenting and making changes as they build their products to market. This pricing model is similar to riding an Uber, where you only pay for the distance covered, or to electric bills where you’re charged based on actual energy consumption. Of course, the more devices you have running, the higher your monthly bill will be. [...]

What’s New with the SAA-C03 AWS Certified Solutions Architect Associate exam this 2022?

The AWS Training and Certification team recently announced that there’s yet another version release of its popular AWS Certified Solutions Architect Associate exam will be released this August 30, 2022. Its new exam version would be SAA-C03. Take note that the current version (SAA-C02) will only be available on August 29, 2022 so you still have time to recertify. The new SAA-C03 will be focused on Security, as shown on its official exam guide.' History of the [...]

Getting Started with SageMaker Ground Truth Private Workforce

Before we begin, let’s quickly talk about what Amazon SageMaker is and what it is used for. If this is your first time learning about Amazon SageMaker, it is the machine learning platform of AWS that helps solve the different requirements of data scientists, developers, and machine learning practitioners. It has several features and capabilities that assist in the different stages of the machine learning process. In this tutorial, we will focus on SageMaker [...]

Scalable Data Processing and Transformation using SageMaker Processing (Part 2 of 2)

In this 2-part tutorial, we will focus on SageMaker Processing and how we can use it to solve our data processing needs. Our overall goal is to demonstrate how to use SageMaker Processing to help us perform Min-Max scaling on a dataset in its own dedicated and easily scalable environment. If you are looking for Part 1, you can find it here. As mentioned in Part I, we have divided this tutorial into 4 [...]