Microservices¶

Cloud-Native Secret Management: OIDC in K8s Explained

External Secrets is the de-facto choice for secrets management in Kubernetes clusters. It simplifies the task of the administrator(s) of the cluster, ensuring only the secrets that are explicitly defined are present and accessible.

It comes with many great features but most important than all is its integration with major cloud providers.

In this blog post you will learn how to deploy it without hard-coded credentials and using only the power of OpenID Connect for trust relationship between services.

Migration From Promtail to Alloy: The What, the Why, and the How

Promtail is (was) the lightweight log collector solution that sends the log over the HTTP to the remote backend. This remote backend is normally Loki but you can choose to send the logs to VictoriaLogs as well.

In this blog post, you will see the newer alternative to Promtail, Grafana Alloy. You will see what it is, why it's a good idea to migrate, and the how-to guide to make the jump with least friction.

How to Setup Preview Environments with FluxCD in Kubernetes

Preview environment is where you see a live state of your changes from your pull request before being merged into the default branch. It gives you a look'n feel of what it would be like if you merged your changes.

Kubernetes on the other hand, is what powers the production setups. But that's not all it can do for you. I have spun up preview environments in Kubernetes with different technologies in the past.

And in this blog post, I will show you how to achive this using FluxCD Operator.

3 Ways to Time Kubernetes Job Duration for Better DevOps

Knowing how long the exucution of jobs take is a crucial part of monitoring and proactive system administration.

Being able to measure, store and query this value over the course of your application lifecycle can help you identify bottlenecks, optimize your infrastructure and improve the overall performance of your application.

In this blog post, you are presented with three methods to achive this, starting from one where you have the access and ability to modify the source code, to the one where you have control over its runtime execution, and finally without control on either & using only the Kube State Metrics.

Read more to find out how.

How to Protect ANY Upstream Service with Operational Authentication

In this blog post, I will demonstrate how to use Ory Oathkeeper and Ory Kratos to protect upstream services behind authentication, especially the ones that do not have native authentication built-in, e.g., Prometheus, Hubble UI, Alertmanager, etc.

How to Deploy NodeJS to AWS Lambda with OpenTofu & GitHub Actions

If you're a software engineer in any tier, there's a good chance that you're already familiar with the language and syntax of JavaScript. It has a very low barrier for entry and that is one of its strongest suits and what makes it so widely adopted and popular.

In this article, you'll learn how to deploy a JavaScript application to AWS Lambda using the principles of GitOps and with the help of OpenTofu as the Infrastructure as Code and GitHub Actions for the CI/CD pipeline.

Stick till the end to find out how.