@jackjapar
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Jan 8 · 4 min read · This 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 ...
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Dec 15, 2025 · 3 min read · I decided to host my own DNS server on my homelab Kubernetes cluster. There are many reasons why someone might want to run a self-hosted DNS server, but for me, the main motivations were network-wide ad blocking and local DNS rewriting. Why Host Your...
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Dec 11, 2025 · 4 min read · I've been hosting my Kubernetes cluster in the cloud for a while, but recently I managed to get my hands on a bare-metal server — a Dell PowerEdge with 32 CPU cores and 128GB RAM 😮 — and set it up in my basement. Naturally, I turned it into a Kubern...
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Jun 18, 2025 · 4 min read · I've recently configured the Prometheus and Grafana stack on my Kubernetes cluster to monitor system performance, including memory, CPU, and network usage. In this post, I’ll walk you through how I integrated Prometheus into my Spring Boot applicatio...
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Jun 13, 2025 · 4 min read · In the last blog, I configured an ArgoCD-based GitOps pipeline and deployed my distributed app called vote-app. In this post, I’ll walk through how to set up Prometheus and Grafana to monitor the Kubernetes cluster and track resource usage of the vot...
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