IaC is one of the key DevOps practices, and AWS CDK & Terraform are both great IaC tools to manage your AWS infrastructure. Having used both extensively, let me share my experience with the 2 IaC tools.

This is a suite of terraform and OpenTofu related GitHub Actions that can be used together to build effective Infrastructure as Code workflows.

Defining clear Incident Severity levels is a key component to an efficient Incident Management process that helps Engineering teams quickly respond to outages and mitigate customer impact.

Beyond the basics, an in depth look at memory metrics in Kubernetes

A file server that supports static serving, uploading, searching, accessing control, webdav.

This tool simply watches Kubernetes Events and logs them to stdout in JSON to be collected and stored by your logging solution, e.g. fluentd, fluent-bit, Filebeat, or Promtail. Other tools exist for persisting Kubernetes Events, such as Sysdig, Datadog, or Google's event-exporter but this tool is open and will work with any logging solution.

The Helm plugin that comes in handy while identifying configuration drifts (mostly due to in-place edits) from the deployed Helm charts.

loxilb is an open source hyper-scale software load-balancer for cloud-native workloads. It uses eBPF as its core-engine and is based on Golang. It is designed to power on-premise, edge and public-cloud Kubernetes cluster deployments.

Tl;dr: We recently upgraded from Postgres 11.9 to 15.3 with zero downtime by using logical replication, a suite of support scripts, and tools in Elixir & Erlang’s BEAM virtual machine.

This post will go into far too much detail explaining how we did it, and considerations you might need to make along the way if you try to do the same.

It is more of a manual than anything, and includes things we learned along the way that we wish we’d known up front.