Requests vs Limits in Kubernetes

Kubernetes doesn’t know what resources (i.e. CPU & memory) your container needs. That is why you must give it some hints.

If you run way under capacity and / or fairly similar pods, you do not need to do that. But if you start approaching the maximum capacity of your cluster or if you...

API Management exclusive access to Azure Function

[Update 05-04-2019: Erratum on the original article. Logic Apps is actually able to perform public IP filering.]

Azure API Management acts as a front door to your APIs.

Typically, we do not want users / apps to be able to access the underlying APIs directly since that would bypass the API Management policies,...

Testing outbound connections in AKS-Kubenet and ACI

What happens if a pod in AKS initiates a connection with a private endpoint? Which private IP address does the outbound connection uses?

This is relevant for a private IP inside the same VNET, a peered VNET or an IP accessible via a VPN or Express Route.

In general, the private IP of the...

AKS Auto Scaler with ARM Template

Azure Kubernetes Service (AKS) Auto Scaler is finally out there in public preview!

The online documentation does a great job of getting us started. In this article I wanted to get it a little further with two things. First by showing how to use ARM templates to deploy an AKS Cluster with...

Creating a Backup Solution for Cosmos DB using change feed

Cosmos DB is Azure native NoSQL database. It has awesome capabilities such as global-distribution, exceptionally high availability, throughput scalability, and much, much more.

As with most NoSQL horizontally scalable databases it doesn’t have the same backup capabilities as mainstream RDBMS systems.

Cosmos DB has an automated backup...