Medium Articles
Long-form technology articles published on Nullify.
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Passed CKA in 2025 — What Actually Mattered
I went into the CKA expecting it to be a harder version of CKAD. More commands, more YAML, more speed. It wasn’t. What actually mattered had less to do with typing fast and more to do with understanding the system and…
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Skaffold — Getting Started
Developing apps in local development environment must somehow resemble the architecture of the apps in production. For example, if your Go app is running in k8s environment, it is not enough that you can directly run…
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Integration testing with Testcontainers in Go
This article briefly discusses the miniproject gointegrationtestwhich you can find in this GitHub repo . The objective of this miniproject is to understand how I can use testcontainers with integration tests and creat…
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Passed CKAD in 2024 — Here’s what worked for me
Unlike common certifications that test the examinees’ knowledge with multiple choices, CKAD (Certified Kubernetes Application Developer) is performance-based; you will manage k8s (short name for Kubernetes) resources…
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Go string representation
Note: This is an article released in my personal website last February 11, 2024. All new and existing tech-related articles will be moved to Medium.
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Go 1.22 Release — Loop gotcha fix
Note: This is an article released in my personal website last February 11, 2024. All new and existing tech-related articles will be moved to Medium.
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Sidecar pattern with Go, SQS and k8s
One of the topics that piqued my interest when I was studying for AWS Certified Developer Associate is the need to periodically look for queue messages and process them. There are several approaches to address that ne…
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Getting Started with Terraform and AWS
After earning an AWS Certified Solutions Architect — Associate certification, I became more interested in managing infrastructure resources. One thing that piqued my curiosity is the concept of IaC or Infrastructure a…
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Amazon S3 — MFA Delete
In managing files on S3, it is important to know how to prevent accidental and malicious deletions, especially since there are a lot of ways it can happen, manually (console/CLI) or programmatically (SDK). Let’s say y…
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I passed Google Cloud Certified Cloud Digital Leader — here’s how I did it
When I started getting my hands dirty with Google Cloud services because of work and school, I asked myself that I need to know the big picture of Google Cloud to get the most out of it. Why not learn them and be cert…
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VSCode Remote Development with VirtualBox
If you’re using the same laptop for work and personal projects, you might have already encountered some conflicts if the projects use the…
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Todo: MERN in k8s
This article aims to explain this small, containerized Todo project written in ReactJS and NestJS and how they work together in a…
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Todo: A simple MERN app
TL;DR: This article aims to explain the Todo app, created to consolidate the author's learnings on the MERN stack, and to provide a basic…
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Dynamic wireframe: Vue.js + Vuetify
Vue.js is one of the popular JS frameworks being used today to build progressive web applications. Combined with Vuetify, a Material Design…
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Quick guide: Free Moodle instance on AWS with domain and SSL
COVID-19 pandemic forced educational institutions to go digital and enforce online learning facilities to continue the academic programs…
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I passed ITIL 4 Foundation with a 39/40 score— Here’s how I did it
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Disconnected in a connected world
In these contemporary times, we can all admit how important communication is to our daily living — be it in our personal lives, businesses…
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Cybercrimes in the Philippines
Technological landscape in the Philippines has dramatically changed over the years. These changes are influenced by factors such as…
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