WHAT IS KUBERNETES DEPLOYMENT HOW TO

By default, updating the Deployment manifest in Kubernetes causes the application to be updated in a rolling fashion. One of the key features of Deployments is how it manages application updates. image: polarsquad/hello-world-app:master Here’s an example deployment manifest in YAML format for running three instances of a simple hello world web app: apiVersion: apps/v1 Kubernetes will then take care of running as many replicas as specified.

WHAT IS KUBERNETES DEPLOYMENT HOW TO

Using Deployments, you can describe how to run your application container as a Pod in Kubernetes and how many replicas of the application to run.

In Kubernetes, most service-style applications use Deployments to run applications on Kubernetes. Typical flow for deploying applications to Kubernetes In this article, I’ll talk about what is typically missing when deploying applications to Kubernetes, and demonstrate how to improve it. When deploying software to Kubernetes, it’s easy to focus on the happy path without properly checking that everything went as expected. Unfortunately, software can fail quite often, so we need to give the unhappy paths some attention as well.

After all, that’s the path that everyone wants. When writing and setting up software, it’s natural for us to focus on just the happy path. This post was originally published in 2019, but is good stuff today – if you encounter something that should be updated, please let us know! Here’s a post about deploying applications to Kubernetes and associated things to take into account.

What is kubernetes deployment