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A container is a standard unit of software that packages code and all its dependencies so the application runs quickly and reliably from one computing environment to another. A Docker container image is a lightweight, standalone, executable package of software that includes everything needed to run an application: code, runtime, system tools, system libraries and settings. In this module, you will learn about Container fundamentals.
Container technology is supported in both Windows and Linux. In this module you will learn how to prepare a Windows and a Linux host to run containers.
Docker is the leader in container software and provides the platform for you to run your containers. In this module, you will learn how to create and run containers with Docker. You will also take a look at other technologies provided by Docker to help you with container management: Docker Hub, Docker Compose and Docker Swarm.
Even though this course does not target developers, even for IT Pros it is important to understand applications and their architecture, especially when working with containers. This module gives you an overview of the evolution of software architecture and what an ideal container application looks like.
Kubernetes is an open-source orchestration tool that will help you deploy and manage your containers across several different hosts. Kubernetes uses a declarative approach that lets you specify what you want to deploy. Kubernetes then creates all the necessary objects for you. In this module you will learn about the various components within a Kubernetes cluster and the different methods to run your cluster. You will also take a look at basic Kubernetes resources like pods and volumes.
Once your cluster is up and running, you need to manage your containers. Deployments guarantee that the necessary pods are always available. They provide an easy update method and let you scale your deployment by adding replicas. Services make sure you can easily communicate with the applications in your cluster, no matter what pods are active.
An Ingress Controller allows you to setup a load balancing solution to forward external traffic to your Kubernetes services. Sensitive information can be provided to a container through the use of secrets. With namespaces you can group resources in your cluster for extra security or to control network traffic routing.
Azure provides a whole infrastructure for managing and hosting containers. From simple basic containers (Azure Container Instances) that can be deployed without any configuration, to advanced services that built and manage entire Kubernetes clusters for you.
Containers provide a very useful platform to host applications. They are light-weight and performant and can easily be redeployed across different environments. Once you have a bunch of containers to manage, you will need an orchestration tool to simplify the deployment and configuration of your containers. That is where Kubernetes comes into play. In this course you will learn how to use docker and Kubernetes to manage containers, both on-premises and in the Azure Cloud platform.
This course is intended for experienced IT professionals who are interested in container technology and want to learn about Docker and Kubernetes. The technologies learned in the course can be useful for both on-prem deployments or environments that operate in the Azure Cloud.