[ field notes ]
Writing
Engineering notes from the cockpit — clusters, cost, databases, GPUs, and platform culture.
13 Jul 2026 · engineering
Migrate PostgreSQL to CloudNativePG with CNPG Migrator
A Kubernetes-native, declarative workflow for bringing PostgreSQL into CloudNativePG from AWS RDS or any PostgreSQL running outside your cluster.
5 Jan 2026 · aws
How I Passed the AWS GenAI Professional Exam: Resources and Tips
My journey passing the AWS Certified Generative AI Developer - Professional exam, including study resources and exam strategies.
23 Nov 2025 · open-source
Building a Privacy-First RSS Reader with AI Summaries
How I built a self-hosted RSS reader with local AI summarization using Small Language Models—no cloud APIs, no tracking, just privacy-first information filtering.
16 Oct 2025 · engineering
Stop Localhost: Develop Software Directly Inside Kubernetes
Tired of local development headaches? Discover how to develop your applications directly in a production-like Kubernetes environment.
27 Aug 2025 · engineering
Migrating from Bitnami PostgreSQL to CloudNative-PG on Kubernetes
A practical guide to replacing Bitnami's PostgreSQL Helm chart with the open-source CloudNative-PG operator.
16 Jul 2025 · engineering
HAMi vs MIG: 2 Weeks of Real Testing on H100 GPUs
Real-world comparison of HAMi and MIG GPU sharing technologies. Performance benchmarks, operational complexity, and debugging experience with actual workloads on H100 hardware.
6 Jun 2025 · engineering
Maximizing GPU Efficiency: Setting Up MIG on Nvidia H100 in Kubernetes
A comprehensive guide to implementing Multi-Instance GPU (MIG) on Nvidia H100 in Kubernetes. Learn how to achieve true multi-tenancy, improve resource utilization, and reduce costs.
18 May 2025 · engineering
KAgent: A Hands-On Guide to Adopting Agentic AI in Your Platform
How to implement agentic AI capabilities in your Internal Developer Platform using KAgent to enhance productivity and user experience
18 Apr 2025 · engineering
Modern On-Call Engineering Approach in 2025
A comprehensive guide to implementing an effective on-call rotation system, incorporating AI assistance, and maintaining engineer well-being
14 Apr 2025 · devops
Progressive Delivery: Argo Rollouts Adoption in 2025
A practical guide to adopting Argo Rollouts for Progressive Delivery in Kubernetes, including strategies, metrics, and migration paths
13 Apr 2025 · devops
Progressive Delivery in Kubernetes: A Comprehensive Analysis
An in-depth analysis of Progressive Delivery options in Kubernetes, comparing Argo Rollouts and Flagger for modern cloud-native deployments
12 Apr 2025 · engineering
Collaborative Architecture Diagrams: A Single Source of Truth
How to implement collaborative architecture diagrams using Git, ensuring visibility and traceability across engineering teams
10 Jun 2022 · cloud
Cloud FinOps – Part 5: Usage Report
A practical guide to implementing cloud cost visualization using AWS Cost & Usage Reports, Athena, and Grafana
9 Jun 2022 · cloud
Cloud FinOps — Part 4: Kubernetes Cost Report
A detailed guide on implementing cost visibility for Kubernetes workloads, including architecture, implementation, and practical dashboards
12 Mar 2022 · cloud
Cloud FinOps – Part 3: Cloud Cost Report
A practical guide to implementing cloud cost visualization using AWS Cost & Usage Reports, Athena, and Grafana
15 Nov 2021 · cloud
Cloud FinOps — Part 2: Tag Allocation Strategy
A detailed guide on implementing an effective tag allocation strategy for cloud resources as part of FinOps culture
2 Nov 2021 · cloud
Cloud FinOps, Part 1: Principles
A comprehensive guide to Cloud Financial Operations (FinOps) principles, helping teams optimize cloud costs while balancing speed and quality
20 Oct 2021 · cloud-native
Success Story: Migrating from AWS EMR to Kubernetes
A detailed case study of migrating Spark workloads from AWS EMR to Kubernetes, including challenges, solutions, and measurable improvements in scalability, reliability, and cost-effectiveness
13 Jul 2021 · cloud-native
Running Apache Spark on Kubernetes: A Cloud-Agnostic Approach
A comprehensive guide on deploying Apache Spark on Kubernetes, exploring challenges, architecture decisions, and implementation details for a cloud-agnostic solution
12 Apr 2021 · cloud-native
Running Apache Flink on Kubernetes: A Practical Guide
A comprehensive guide on deploying Apache Flink on Kubernetes, covering challenges, architecture, deployment options, and best practices
22 Jan 2019 · cloud
Monitoring AWS Credential Age with Terraform, Go, Lambda, and Slack
Learn how to build a practical solution for monitoring AWS credential age using Terraform, Go, AWS Lambda, and Slack notifications to enhance your cloud security posture.
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