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Dominik Jaro

DevOps | Cloud Engineer | London, Uk

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Archives

2026 4
2025 13
2024 5
2019 1

Categories

Infrastructure as Code CI/CD Kubernetes Monitoring Performance Cloudflare Data Engineering Scripting Security Test

Tags

GCP Terraform Automation PubSub Cloud Build Helm Kubernetes Autoscaling Docker Microservices
Featured image of post πŸ“š Automating Repository Documentation with OpenWiki and GCP Cloud Build
Infrastructure as Code CI/CD

πŸ“š Automating Repository Documentation with OpenWiki and GCP Cloud Build

How I automated code documentation generation across application repositories using OpenWiki, GCP Cloud Build triggers, Terraform, and Gemini.

Sep 22, 2026
3 minute read

πŸš€ Migration Project: Modernizing Content Delivery Feeds -- NOT FINISHED YET TBC

The legacy infrastructure relies on a monolith platform to generate and distribute critical data feeds (e.g., Google Merchant Reviews/Products).

Jun 30, 2026
4 minute read
Featured image of post Beyond the kubectl Command: How I Passed the CKA πŸŽ“
Kubernetes

Beyond the kubectl Command: How I Passed the CKA πŸŽ“

Using Kubernetes and passing the CKA exam are two completely different things. Here's what I learned after weeks of study and finally passing one of the hardest exams I've ever taken.

Apr 17, 2026
3 minute read
Featured image of post Optimizing a KEDA-Driven Microservices πŸš€: Balancing Performance and Cost via Smart Helm Templates
Performance

Optimizing a KEDA-Driven Microservices πŸš€: Balancing Performance and Cost via Smart Helm Templates

How load testing counter-intuitively proved that giving Kubernetes pods more CPU resulted in using fewer replicas, and how we implemented environment-specific sizing using advanced Helm templating.

Jan 22, 2026
5 minute read
Featured image of post ⚑️ Automating Terraform Docs: The Atlantis Way
Infrastructure as Code

⚑️ Automating Terraform Docs: The Atlantis Way

How we replaced external CI automation with native Atlantis workflows for faster, more robust documentation generation using custom Docker images

Oct 24, 2025
5 minute read
Featured image of post Optimizing a K8s Microservice on GCP: A Deep Dive into Pub/Sub Performance πŸš€
Performance

Optimizing a K8s Microservice on GCP: A Deep Dive into Pub/Sub Performance πŸš€

Recently, I tackled a significant challenge at work: optimizing the performance of a Kubernetes microservice running on Google Cloud Platform (GCP).

Sep 19, 2025
4 minute read
Featured image of post πŸš€ Automating Infrastructure with Cloud Build & Atlantis (sync_dev_after_prod)
CI/CD

πŸš€ Automating Infrastructure with Cloud Build & Atlantis (sync_dev_after_prod)

To automate a key workflowβ€”syncing our master branch configuration to our dev-* environmentsβ€”I created a robust Google Cloud Build pipeline.

Sep 04, 2025
16 minute read
Featured image of post πŸ“Š Building a GKE Monitoring Dashboard for a KEDA Workload
Monitoring Infrastructure as Code

πŸ“Š Building a GKE Monitoring Dashboard for a KEDA Workload

Running event-driven microservices on GKE using KEDA is fantastic for cost efficiency and scalability.

Sep 02, 2025
3 minute read
Featured image of post πŸš€ Automating Git Rebasing with Google Cloud Build
CI/CD

πŸš€ Automating Git Rebasing with Google Cloud Build

The goal was simple: for every open pull request, automatically rebase its feature branch onto `master` and force-push the result.

Sep 01, 2025
3 minute read
Featured image of post Optimizing your Microservices with πŸš€ Google Cloud Profiler
Monitoring

Optimizing your Microservices with πŸš€ Google Cloud Profiler

When you have K8s microservices, you want them to be fast, efficient, and cost-effective. But how do you know exactly where your code is spending its time or consuming resources? That's where a profiler comes in.

Jul 11, 2025
4 minute read
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