Dockerĭocker is often used in platform as a service (PaaS) offerings, approaches application development by isolating individual pieces of an application into containers. Lastly, we’ll get familiar with how to set up some Kong plugins with the ingress controller.īefore we dive in, let’s look briefly at some core concepts for our walkthrough. We will walk through how to deploy this application with Kubernetes (K8s) using Kong’s Kubernetes Ingress Controller ( documentation) to expose the container’s ports for external access. In this tutorial, we’ll start with a Dockerized application made up of three containers: a web server, a database and a key-value store. This may seem like a massive transformation, but you can reduce the bumps in the road by using an open source ingress controller to simplify your task and provide plugins that you can customize based on your need. Now, it’s time for another transformational leap: moving from a single set of containers to a highly available, orchestrated deployment of replica sets using Kubernetes. While the result was a streamlined system, the transition likely was daunting. What was once an application requiring multiple services on virtual machines transitioned to an application consisting of multiple, tidy Docker containers. Think back to when your development team made the switch to Dockerized containers.
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