What is a good resource to learn how to create and use custom Kubernetes operator?

This page summarizes the projects mentioned and recommended in the original post on /r/kubernetes

InfluxDB – Built for High-Performance Time Series Workloads
InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
www.influxdata.com
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Stream - Scalable APIs for Chat, Feeds, Moderation, & Video.
Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
getstream.io
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  1. kubebuilder

    Kubebuilder - SDK for building Kubernetes APIs using CRDs

    I'd start with kubebuilder, it's the default operator library and IMO the best https://github.com/kubernetes-sigs/kubebuilder

  2. InfluxDB

    InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

    InfluxDB logo
  3. kubectl-operator

    Manage Kubernetes Operators from the command line

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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