Terraform Associate (004) – Exam Cheat SheetThis cheat sheet is based on my notes from online courses, Hashicorp documentation, and missing & updated concepts for the Terraform Associate 004 exam after completing the exam. It is optimized for quick revision before the exam. 1. Terraform Core ...Jan 8, 2026·4 min read·245
How to Monitor Your Spring Boot App with Prometheus and Grafana in KubernetesJun 18, 2025·4 min read·245
Kubernetes Deployments: ArgoCD and GitHub Actions in ActionI recently developed a distributed voting application using Spring Boot and Kafka. So, I decided to build a CI/CD pipeline for this project and deploy it into a Kubernetes cluster. I containerized the services with Docker and set up a GitHub Actions ...May 31, 2025·7 min read·834
Creating a Kubernetes Cluster on AWS EC2 Using a user-data ScriptIn this post, we’ll walk through creating a simple Kubernetes cluster on a single AWS EC2 instance using K3s, a lightweight Kubernetes distribution. K3s is easy to install, uses half the memory of standard Kubernetes, and comes in a compact binary of...May 15, 2025·6 min read·71
The CAP Theorem in Distributed DatabasesAs part of my journey into understanding distributed databases, I encountered a concept that fundamentally shapes how these systems are designed: the CAP theorem.It was so eye-opening that I decided to document and share what I learned today. What is...Apr 29, 2025·2 min read·17
How I prepared for AWS DevOps (DOP-C02) Professional examTo give some background, I have been a software engineer with experience since 2017. Even though I worked as a software engineer, I worked half of my time handling EC2 servers, containers on ECS, etc. Having already earned three AWS certifications (D...Feb 28, 2025·3 min read·30
Япон хэлний дүрэм #2〜わけがない Утга: Ямар нэгэн зүйлийн үйлдэгдэх хувь нь 0% байх үед ашиглана Дүрэм: 〜辞書形+わけがない。 Толь бичгийн хэлбэр+わけがない Жишээ өгүүлбэр: ①紙に名前を書くわけがない。(Цаасанд нэрээ бичихгүй. Магадгүй цаасанд нэрээ бичих шаардлагагүй учраас бичмээргүй байгаа) ②雨が降るわけがない。...May 9, 2020·1 min read·10
Япон хэл дүрэм #1〜ばかりに Утга: -тийм учраас, -ийм учраас. Сөрөг зүйлийг тайлбарлахдаа ашиглана Дүрэм: 〜た形+ばかりに。 た(хэлбэр) +ばかりに Жишээ өгүүлбэр: ①傘を持っていなかったばかりにぬれてしまった。(Шүхэрээ авч гараагүй учраас шалба норлоо) ②映画をたくさん見たばかりに授業をしなかった。(Кино их үзсэнээс болж хичээлээ хийж...May 9, 2020·1 min read·12