Tech Blogs - Tutorials Dojo

Prevent EC2 Downtime: Setting Up Status Check Alarms to Auto-Reboot an Instance
When you’re running a production website on an EC2 instance, the last thing you want is for it to unexpectedly go down while you’re focused on other tasks. Without the right monitoring in place, you might not even realize your site has been offline for a while, and repeated [...]
Securing Your Website in Containerized Applications: A Step-by-Step Guide to Setting-up HTTPS
So, you have just deployed your first app to the cloud (maybe you have followed the tutorial that we have for deployment insert link here), it’s running great, you have your users now, but then you noticed that little “Not Secure” warning in the browser. Suddenly, your app looks… [...]
Mastering Cloud-Based Semantic Search: Advanced Cloud Search Architectures Made Easy
In today's AI-driven world, finding information based on meaning and context rather than exact keywords has become crucial. Good thing we now have vector search, enabling semantic search, personalized recommendations, image similarity, and more. However, building and managing vector search infrastructure can be complex. Fortunately, AWS offers zero-infrastructure managed [...]
Prevent Unforeseen Azure Costs: Setting Up Automated Slack Alerts for Your Subscription
Cloud computing gives companies access to cutting-edge services, flexibility, and scalability. Effective cost management, however, is one of the main challenges to cloud adoption. Despite Azure's robust offerings, businesses risk unexpectedly high costs if they don't have active monitoring. Image generated by Gemini This is where cost monitoring and automated [...]
Beginner’s Guide to Gamma – Let AI Build Your Presentations
Ever wish you could skip the boring parts of making slides and focus on your ideas? Instead, imagine jumping straight into expressing them clearly and beautifully without wrestling with layouts. Moreover, if you’ve ever felt stuck or simply want to save time building presentations, Gamma is the most beginner-friendly [...]
AWS Student Community Day 2025: Mega Manila at Jose Rizal University
AWS Student Community Day 2025: Mega Manila at JRU September 17, 2025 marked a milestone for student communities across Mega Manila. The José Rizal University (JRU) campus came alive with energy as it welcomed hundreds of students for AWS Student Community Day 2025, an annual gathering that empowers the [...]
Build a Simple Mood Journal App with Electron.js
As someone who has been interested in mini desktop applications, I decided to build my own mood journal app to track my daily thoughts and reflections. What better way to learn Electron than by creating something practical? In this tutorial, I will guide you through the process of building [...]
Tech Internships for Future Job Market Readiness in 2025
The tech job market in 2025 continues to expand at lightning speed, with new roles and technologies emerging almost every month. At the same time, competition for these positions grows more intense as thousands of graduates enter the workforce with similar academic qualifications. In this environment, a degree alone [...]
The Evolution of Wearable Technology: Shaping the Future of Work, Communication, and Health
Wearable technology has rapidly evolved, transforming everything from healthcare to communication. Today, wearables offer exciting opportunities, enabling a future where technology seamlessly integrates into our daily lives. Innovations, such as Meta's Ray-Ban smart glasses, are pushing the boundaries of wearable tech. However, the key question remains: how does wearable [...]
AWS Bedrock’s Intelligent Prompt Routing: Smarter AI for Everyone
When we interact with AI models, we often expect them to instantly understand our intent and give the right answer. But the truth is, not every model is designed for every type of task. Some are fast but shallow, others are detailed but resource-heavy. Here’s a question I always [...]

Monitoring Amazon SES Complaint Rates with CloudWatch Alarms and Real-Time Slack Notifications

Amazon Simple Email Service (SES) is a powerful tool for sending high volumes of emails quickly and efficiently. However, to maintain your email-sending capabilities and ensure high deliverability, it's essential to monitor your sender's reputation closely. One key metric for assessing this reputation is the Complaint Rate, which measures how often recipients mark your emails as spam. A high complaint rate can lead to your emails being filtered into spam folders, throttling, or even [...]

Methods in Evaluating Foundation Model Performance

A foundation model is a large-scale, pre-trained artificial intelligence model that serves as a general-purpose system for various downstream tasks. These models, such as GPT for natural language processing or CLIP for vision-language understanding, are trained on extensive datasets and can be fine-tuned or adapted to specific applications. Foundation models are characterized by their ability to generalize across tasks, making them highly versatile and impactful in AI-driven solutions. Evaluating these models' performance is essential to [...]

Amazon SES Complaint Rate: What It Is and How to Manage It

Email remains one of the most effective ways of communication for businesses in today's digital age. It allows you to reach out to current and potential customers through newsletters, promotions, important information, and updates about your products and services. Whether it is to keep your customers engaged, promote your new offerings, or send transactional messages like order confirmations and such, email is a simple yet very powerful approach to improve your connection with clients [...]

Retrieval-Augmented Generation (RAG) for Foundation Model Customization

Artificial Intelligence (AI) has rapidly advanced, pushing the limits of what machines can accomplish. However, one significant challenge remains: ensuring that AI responses are both accurate and contextually relevant while being up-to-date. This is where Retrieval-Augmented Generation (RAG) comes in—a cutting-edge approach that integrates the capabilities of data retrieval with advanced AI generation techniques. In this blog, we will explore the details of RAG, discussing its benefits, applications, and how to implement it using [...]

Security in AWS Data Engineering: Best Practices and Strategies

Bookmarks The AWS Shared Responsibility Model Use AWS Data Encryption Use Identity and Access Management (IAM) Implement Network Security Monitoring and Logging Compliance Standards Data Governance Secure Data Storage Backup and Disaster Recovery Automating Security Practices Conclusion: Proactive Security Measures for Data Engineers References In today's world of Cloud Computing, data engineering security and compliance are very important for [...]

Understanding Your API: The API-verse

In this blog, I will guide you through understanding the various types of APIs. You'll learn about different API classifications you can use for your next project and when to implement each one. This high-level overview of API varieties will expand your knowledge and help you become well-versed in how each API functions. What is an API? (Application Programming Interface) An API or Application Programming Interface acts as a bridge between different software allowing [...]

PartyRock: AI Python Code Checker for Tech Interview Simulation

Bookmarks What is Party Rock? AI Code Checker Tools Comparison UI Components of our PartyRock-based Python Code Checker Python Interview Topics Covered by the PartyRock app Use-cases and Applications of PartyRock-based Python Code Checker Hands-on Exercise: Getting Started with PartyRock Final Remarks References Are you a recent college graduate or someone transitioning into a tech career, striving to succeed in coding interviews focused [...]

Implementing IP Blocking and Unblocking Using AWS Lambda, Slack, and AWS Systems Manager

Blocking IP addresses is a crucial security measure for protecting an organization's infrastructure from various cyber threats, including DDoS attacks, brute-force login attempts, and unauthorized access. By blocking malicious or suspicious IPs, organizations can prevent system compromise, reduce unwanted traffic, and ensure that only trusted networks access critical resources. This helps maintain the performance and stability of the systems while ensuring compliance with security policies. Automating IP blocking using AWS Lambda and AWS Systems [...]

AWS in Bioinformatics: Biology, data, & the cloud

Marriage of biology and tech. With the current technological advancements, how about we throw in the cloud in the tech too? Just like... Bioinformatics in AWS HealthOmics. Yes, you read that right! Are you torn between the two and want to pursue them both? To sit in a laboratory working on something new and interesting without bidding your farewell to the “Hello World!”? Then this article will introduce a field that may interest you. [...]

Deploy a Next.js Static Site to AWS with GitHub Actions and Bunjs

At the AWS Community Day Philippines 2024, during the preparation for the event, the organizers assigned me the responsibility of setting up a Continuous Integration and Continuous Deployment (CI/CD) strategy for the website. Therefore, in this blog, I will explain the approach I took and how I utilized GitHub Actions and BunJs to create a swift and efficient CI/CD pipeline for deployment on Amazon Simple Storage Service (S3) along with Amazon CloudFront. AWS Community [...]