A curated list of awesome resources: articles, books, videos about Kubernetes Operators.

A Kubernetes operator is an application-specific controller that extends the functionality of the Kubernetes API to create, configure, and manage instances of complex applications on behalf of a Kubernetes user. - What is a Kubernetes operator?.

• Courses and Tutorials
• Books
• Videos
• Operator Frameworks
• Catalogs and Hubs
• Contributing

• Write Your First Kubernetes Operator in Go.
• Kubernetes Operators Patterns and Best Practices.
• Introduction to Kubernetes operators.
• Learn how to deploy Kubernetes operator written in Golang.
• Building and running a Go-based operator.
• Build your Kubernetes operator with the right tool.
• Write Kubernetes with the Java Operator SDK.
• Write Kubernetes with the Java Operator SDK.
• Kubernetes operators advanced.
• Build and deploy your first Kubernetes Operator using the Operator SDK..
• Building a Kubernetes Operator In Python With Zalando’s Kopf.
• Getting started with Kubernetes operators (Helm Based) - Part 1.
• Getting started with Kubernetes operators (Ansible Based) — Part 2.
• Getting started with Kubernetes operators (Golang Based) - Part 3.
• Kubernetes operators — fundamental concepts.
• Getting started with Kubernetes | Operator and operator framework.
• Go Kubernetes operator.
• Kubernetes Operators for beginners.
• Creating custom Kubernetes Operators.
• Kubernetes Operators in depth.
• Operator pattern.
• Defining dependencies in Kubernetes Operators.
• Kubernetes: when to use, and when to avoid, the operator pattern.
• First Steps with the Kubernetes Operator.
• How to create a custom resource with Kubernetes Operator.
• Security implications of Kubernetes operators.
• Writing kubernetes operators with python.
• Developing operators for kubernetes.

• Kubernetes Operators: Automating the Container Orchestration Platform.
• The little book of Kubernetes Operators.
• The Kubernetes Operator Framework Book.
• Extending Kubernetes: Elevate Kubernetes with Extension Patterns, Operators, and Plugins.

• Creating Kubernetes Operator using operator-sdk.
• Writing a Kubernetes Operator from Scratch Using Kubebuilder.
• Hands-on Demo: Introduction to Kubernetes Operators.
• Kubernetes Operator simply explained in 10 mins.
• Kubernetes Operators Explained.
• Introduction to Kubernetes Operators.
• introduction to Kubernetes Operators.
• Kubernetes Operators: Talk 2: How to build operators.
• Creating a Kubernetes Operator in Java.
• Automating Stateful Applications with Kubernetes Operators.
• Building Kubernetes Operators in an Ansible-native way.
• Learn how Kubernetes Operators work from this example.
• Write your first simple Kubernetes operator.
• Write your first simple Kubernetes operator.
• Write your first simple Kubernetes operator.
• Create a Java-based Kubernetes Operator using Quarkus.
• The Automation Challenge: Kubernetes Operators vs Helm Charts.
• Creating a Go Operator from scratch.
• An overview of Kubernetes operators and the Operator SDK.
• Writing a Kubernetes Operator: the Hard Parts.
• Zero to Operator in 90 Minutes.
• A rough guide to Kubernetes Operators.
• Let's build a Kubernetes Operator in Go!.
• Introduction to Kubernetes Operators and the Operator framework.
• Get on board with Kubernetes Operators!.
• Kubernetes Operators - Hands on workshop.
• Extending Kubernetes with custom controllers.
• Deep Dive into the Operator Framework for Kubernetes.
• Getting started with Kubernetes Operators in Java.
• Writing K8S Operator (Golang) - Part 1.
• Writing K8S Operator (Golang) - Part 2.
• Writing K8S Operator (Golang) - Part 3.
• Writing K8S Operator (Golang) - Part 4.

• Operator SDK - Advanced Go SDK for building Kubernetes Operators.
• Kubebuilder - The SDK for building Kubernetes APIs using CRDs.
• Java-operator-sdk - Java SDK for building Kubernetes Operators.
• Shell-operator - Framework for creating K8s operators from scripts.
• k8s-operator-node - NodeJS Kubernetes operator framework.
• Csharp-operator-sdk - Build Kubernetes operators with C# and .NET Core.
• Bonny - The Elixir based Kubernetes Development Framework.
• Abstract-operator - Library/SDK for creating the operators for Kubernetes and Openshift.
• Kopf - A Python framework to write Kubernetes operators in just few lines of code.
• KubeOps - KubeOps is a kubernetes operator sdk in dotnet. Strongly inspired by kubebuilder.
• Kudo - Kubernetes Universal Declarative Operator.
• Metacontroller - Lightweight Kubernetes controllers as a service.
• Operatorkit - An opinionated Go framework for developing Kubernetes operators.
• Controller-runtime - Repo for the controller-runtime subproject of kubebuilder (sig-apimachinery).
• Roperator - Experimental Kubernetes Operator kit written in Rust.

• OperatorHub.io - The registry for Kubernetes Operators.
• Artifact Hub - Find, install and publish Kubernetes packages.

Please take a look at the contribution guidelines first. Contributions are always welcome! If you have any question about this opinionated list, do not hesitate to contact me @cpuram1 on Twitter or open an issue on GitHub.

Thanks to all contributors; you rock!