Following some commands and checks for you troubleshoot a Kubernetes installation. Checking the installation Check if you are able to…
How to Getting Started develop Go Operators from scratch? How to start? What are the first steps?
The goal of this post is to help you to know how to develop Golang Operators using Operator Framework as…
[Docker] – Using –build-arg to use safely confidential information to build docker images
In this post, we will do an example by using the flag –build-arg to build the image with a piece of…
[Kubernetes] – How to create a Secret with base64 encode values? Is it safe to store confidential info?
The following example will show how to create a secret with base64 encode values. In this example, the values in…
[Kubernetes] – Using port-forward to expose applications for debugging purposes
The command kubectl port-forwardallow us to expose a port. When it should be used? It is the ideal solution for…
Why is not safe to use confidential data in the containers environment variables?
Remember that containers are just a “process”. Then, it means that the values of the environment variables can be found…
What are the most useful Kubernetes Resources for developers?
Following a diagram to check the most useful k8s resources for developers. Reference: https://www.oreilly.com/library/view/kubernetes-patterns/9781492050278/ch01.html Understanding the mainly Resources Following some…
Understanding Kubernetes Components Architecture in one shot
Following am an image to illustrate the Kubernetes Components Architecture and help you with. NOTE: For a further understanding see Kubernetes…
How to have kubectl auto-completion in MacOS X?
If you try to follow the steps in the k8s docs for a MaOS environment you will see that it will…
How to getting started with Kubernetes?
From where do I start learning Kubernetes? How to learn Kubernetes? Following the steps that I’d like to recommend to…
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