This analysis provides a deep dive into writing policies for Kubernetes clusters using OPA Gatekeeper. The Permify Tech Blog explains how to enforce custom rules and maintain security and compliance in a cloud-native environment.
https://medium.com/permify-tech-blog/opa-gatekeeper-how-to-write-policies-for-kubernetes-clusters-bb660666eb19

🚀 10x easier, 🚀 140x lower storage cost, 🚀 high performance, 🚀 petabyte scale - Elasticsearch/Splunk/Datadog alternative for 🚀 (logs, metrics, traces, RUM, Error tracking, Session replay).

https://github.com/openobserve/openobserve

Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations

https://github.com/bluewave-labs/Checkmate

AWS just released their postmortem (link in comment) for the October DynamoDB outage. It's thorough, technically detailed, and explains exactly what broke and how they'll "prevent" it from happening again. But this PR-approved, sanitized narrative tells us only what happened to the technology, nothing else.

https://aws.amazon.com/message/101925/

Marc Christian P. Gregorio offers a practical commentary on automating centralized NAT Gateways in AWS across multiple VPCs and regions using Terraform. The solution aims to optimize costs and simplify network management for large-scale deployments.
https://medium.com/@marcchristianp.gregorio/automating-centralized-nat-gateways-in-aws-vpcs-and-region-with-terraform-69a6f90d60da

Elliot Graebert proposes an impact-based leveling system for engineering organizations as an alternative to traditional career ladders. This treatise discusses how focusing on impact can foster a more motivated and effective engineering culture.
https://medium.com/@elliotgraebert/an-impact-based-level-system-for-engineering-organizations-2e0f9bee20e6

https://github.com/cozystack/cozypkg

Cozy wrapper around Helm and Flux CD for local development

A human-friendly alternative to netstat for socket and port monitoring on Linux and macOS.

https://github.com/theopfr/somo

This article from JP Gouin provides a deep dive into implementing GitOps at scale, with a specific focus on the cluster bootstrapping process. It covers the challenges and solutions for managing numerous Kubernetes clusters efficiently and declaratively.
https://medium.com/@jp-gouin/gitops-at-scale-clusters-bootstrapping-f36695d4340d

This edition of the Scalable Thread newsletter breaks down effective strategies for handling sudden and unexpected bursts of traffic to your systems. It explores architectural patterns and techniques to ensure reliability and prevent service degradation during traffic spikes.
https://newsletter.scalablethread.com/p/how-to-handle-sudden-bursts-of-traffic

Enable dynamic and seamless Kubernetes multi-cluster topologies

https://github.com/liqotech/liqo

Terraform configuration for my entire Mikrotik-powered home network.

https://github.com/mirceanton/mikrotik-terraform/

The Grab Engineering team shares their experience in executing a seamless database migration with zero downtime. This blogpost details the meticulous planning, tooling, and validation steps required to achieve a successful migration for a critical, high-traffic service.
https://engineering.grab.com/seamless-migration

This write-up from Prezi Engineering explains how multi-AZ deployments can lead to surprisingly high data transfer costs. It documents their journey of migrating from a costly self-hosted Prometheus setup to a more efficient monitoring solution to save on their cloud budget.
https://engineering.prezi.com/how-using-availability-zones-can-eat-up-your-budget-our-journey-from-prometheus-to-be8a816f7efe

kubectl plugin to list allocations (cpu, memory, gpu,... X utilization, requested, limit, allocatable,...)

https://github.com/davidB/kubectl-view-allocations

Identity-Aware Tunneled Reverse Proxy Server with Dashboard UI

https://github.com/fosrl/pangolin

Author Yasin Taha Erol provides a practical guide on migrating from Kubernetes' native Horizontal Pod Autoscaler (HPA) to KEDA. The text highlights the benefits of KEDA's event-driven scaling and walks through the steps for a smooth transition.
https://yasintahaerol.medium.com/migrating-hpa-to-keda-13e946ee29ee

This tutorial offers an interesting approach to container image distribution by using S3 as a private container registry. The author demonstrates how to set up and use an S3 bucket for storing and pulling images, providing a simple alternative to dedicated registry services.
https://ochagavia.nl/blog/using-s3-as-a-container-registry/

PostgreSQL monitoring and backups (with UI and self hosted)

https://github.com/RostislavDugin/postgresus

This technical report from Datadog offers a deep dive into managing storage for etcd, the key-value store at the heart of Kubernetes. It explains the causes of database growth and provides strategies for monitoring, defragmenting, and purging old data to maintain a healthy cluster.
https://www.datadoghq.com/blog/managing-etcd-storage/

In this story from the Betterstack newsletter, learn how Dropbox managed to save millions of dollars by optimizing its object storage architecture. The piece delves into the technical decisions and engineering efforts behind their impressive cost-reduction initiative.
https://newsletter.betterstack.com/p/how-dropbox-saved-millions-of-dollars