Full Kubernetes Course for Beginners (~4 Hours, Free)

Hi there **👋**

I created a [**complete Kubernetes course**](https://youtu.be/X48VuDVv0do), which I think could be interesting for some (beginners) of you. If you're just getting started with Kubernetes, but maybe also good for refreshing some concepts.

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**COURSE OUTLINE**

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**What is Kubernetes**

* What problems does Kubernetes solve?
* What features do container orchestration tools offer?

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**Main K8s Components**

* Node & Pod
* Service & Ingress
* ConfigMap & Secret
* Volumes
* Deployment & StatefulSet

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**K8s Architecture**

* Worker Nodes
* Master Nodes
* Api Server
* Scheduler
* Controller Manager
* etcd - the cluster brain

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Minikube and kubectl - Local Setup

* What is minikube?
* What is kubectl?
* install minikube and kubectl
* create and start a minikube cluster

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**Main Kubectl Commands - K8s CLI**

* Get status of different components
* create a pod/deployment
* layers of abstraction
* change the pod/deployment
* debugging pods
* delete pod/deployment
* CRUD by applying configuration file

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**K8s YAML Configuration File**

* 3 parts of a Kubernetes config file (metadata, specification, status)
* format of configuration file
* blueprint for pods (template)
* connecting services to deployments and pods (label & selector & port)
* demo

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**Demo Project**

* Deploying MongoDB and Mongo Express
* MongoDB Pod
* Secret
* MongoDB Internal Service
* Deployment Service and Config Map
* Mongo Express External Service

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**Organizing your components with K8s Namespaces**

* What is a Namespace?
* 4 Default Namespaces
* Create a Namespace
* Why to use Namespaces? 4 Use Cases
* Characteristics of Namespaces
* Create Components in Namespaces
* Change Active Namespace

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**K8s Ingress explained**

* What is Ingress? External Service vs. Ingress
* Example YAML Config Files for External Service and Ingress
* Internal Service Configuration for Ingress
* How to configure Ingress in your cluster?
* What is Ingress Controller?
* Environment on which your cluster is running (Cloud provider or bare metal)
* Demo: Configure Ingress in Minikube
* Ingress Default Backend
* Routing Use Cases
* Configuring TLS Certificate

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**Helm - Package Manager**

* Package Manager and Helm Charts
* Templating Engine
* Use Cases for Helm
* Helm Chart Structure
* Values injection into template files
* Release Management / Tiller (Helm Version 2!)

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**Persisting Data in K8s with Volumes**

* The need for persistent storage & storage requirements
* Persistent Volume (PV)
* Local vs Remote Volume Types
* Who creates the PV and when?
* Persistent Volume Claim (PVC)
* Levels of volume abstractions
* ConfigMap and Secret as volume types
* Storage Class (SC)

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Hope the content is useful for some of you 😊