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Kubernetes in Practice

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Before We Begin

What to Expect in This Course

What Kubernetes Brings to the Table

How it All Started Virtual Machines (VM)Introduction to Kubernetes Let's Run Our First Application Summary

Kubernetes Architecture

A Kubernetes Cluster The Workers and the Master Kubectl: Our Swiss Army Knife Summary Quiz: Kubernetes Architecture

Pods

Introduction Multi-Container Pods Playing with Running Pods Exercise: Run an Apache Container Solution: Run an Apache Container Summary Quiz: Pods

Deployments

Introduction Defining Our Deployment Manifest Restarting Failed Pods Scaling Up/Down Our Application Rolling Out Releases Controlling the Rollout Rate Using a Different Rollout Strategy Dealing with Bad Releases Keeping Applications Healthy with Liveness Probes Summary Quiz: Deployments

Services

Introduction A Quick Example Service Types and ClusterIP NodePort and LoadBalancer ExternalName Service Discovery DNS Environment Variables Summary Quiz: Services

Project

Deploying a Web Application over Kubernetes

Ingress

Introduction Defining Rules per Host Ingress vs LoadBalancer Summary Quiz: Ingress

Configuring Applications with Configmaps

Getting Started Passing an Environment Variable to Our Container Extracting Configs to a ConfigMap Mounting Configs as Files Summary Quiz: Configuring Applications with Configmaps

Using Secrets for Sensitive Configs

Introduction Mounting Secrets as Files Summary Quiz: Using Secrets for Sensitive Configs

Running Jobs

Introduction Running Multiple Pods When Jobs Fail Scheduling Jobs with CronJob Summary Quiz: Running Jobs

Project

Fault-Tolerant Web Hosting on Kubernetes

Organizing Resources with Namespaces

Getting Started Running Resources in a Different Namespace How Namespaces Affect Service’s DNS Summary Quiz: Organising Resources with Namespaces

Managing Containers Resource Usage

Getting Started Defining Resource Requests Defining Resource Limits Defining Default Limits and Requests with Limitrange Summary Quiz: Managing Containers Resource Usage

Understanding the Kubeconfig File

Getting Started Using Different Contexts Summary Quiz

Mini Project

Kubernetes IRL

Appendix

Kubernetes Web UI Setting Up Kubernetes Locally

Wrap Up!

Conclusion

Some concluding words from the author.

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