Core Technologies
Kubernetes
Official Kubernetes documentation covering concepts, tasks, and API reference
Kubernetes API Reference
Complete API reference for all Kubernetes resources
kubectl Cheat Sheet
Quick reference for kubectl commands
Kustomize
Kustomize documentation and guides for customizing Kubernetes configurations
GitOps & Flux
Flux Documentation
Complete Flux CD documentation for GitOps continuous delivery
Flux Guides
Step-by-step guides for common Flux operations
Flux CLI Reference
Command reference for the Flux CLI
Flux GitHub
Flux source code and issue tracker
Flux Components
Kustomize Controller
Documentation for the Kustomization custom resource
Helm Controller
Documentation for HelmRelease and HelmRepository resources
Source Controller
Documentation for GitRepository, Bucket, and other sources
Notification Controller
Alerts and notifications for Flux events
Networking
Cilium Documentation
Cilium CNI documentation covering networking, security, and observability
Cilium CLI Reference
Command reference for the Cilium CLI
Cilium Network Policies
Network policy configuration and examples
Cilium GitHub
Cilium source code and releases
Service Mesh & Gateway
Gateway API
Kubernetes Gateway API documentation
Gateway API Guides
Implementation guides for Gateway API
MetalLB
MetalLB load balancer documentation
MetalLB Configuration
Configuration reference for MetalLB
Certificates & Security
cert-manager
Complete cert-manager documentation for TLS certificate management
cert-manager Configuration
Configuration guides for issuers and certificates
Let's Encrypt
Let’s Encrypt documentation for free TLS certificates
Sealed Secrets
Sealed Secrets documentation for encrypting secrets in Git
Sealed Secrets GitHub
Source code and releases
Observability
Prometheus
Prometheus monitoring system documentation
Prometheus Operator
Kubernetes Prometheus Operator documentation
kube-prometheus-stack
Complete monitoring stack Helm chart documentation
Alertmanager
Alert routing and notification configuration
Grafana Stack
Grafana
Grafana visualization and dashboards documentation
Grafana Operator
Kubernetes operator for managing Grafana instances
Grafana Loki
Log aggregation system documentation
Grafana Alloy
Telemetry collection and forwarding
LogQL
Loki query language reference
PromQL
Prometheus query language reference
Helm Charts
Helm Documentation
Official Helm package manager documentation
Helm Chart Repositories
Artifact Hub - Search for Helm charts
cert-manager Chart
Official cert-manager Helm chart
Prometheus Stack Chart
kube-prometheus-stack Helm chart
Grafana Operator Chart
Grafana Operator Helm chart
MetalLB Chart
MetalLB Helm chart
Storage
Kubernetes Storage
Storage concepts including volumes and persistent volumes
Storage Classes
Dynamic volume provisioning configuration
Persistent Volumes
PersistentVolume and PersistentVolumeClaim documentation
Applications
n8n Documentation
n8n workflow automation documentation
n8n Helm Chart
Official n8n Helm chart
Tailscale
Tailscale VPN documentation
Tailscale Operator
Tailscale Kubernetes operator documentation
Development Tools
k9s
Terminal UI for managing Kubernetes clusters
kubectx & kubens
Switch between clusters and namespaces easily
stern
Multi-pod and container log tailing
kube-ps1
Kubernetes context in your shell prompt
Best Practices & Patterns
Kubernetes Patterns
Design patterns for cloud-native applications
12 Factor App
Methodology for building modern applications
CNCF Landscape
Cloud Native Computing Foundation project landscape
GitOps Principles
OpenGitOps principles and standards
Troubleshooting Resources
Kubernetes Troubleshooting
Official troubleshooting guides
Flux Troubleshooting
Flux-specific troubleshooting guide
Cilium Troubleshooting
Network and connectivity troubleshooting
cert-manager Troubleshooting
Certificate issuance debugging
Community & Support
Kubernetes Slack
Official Kubernetes community Slack workspace
CNCF Slack
Cloud Native Computing Foundation Slack
Flux Slack
#flux channel in CNCF Slack
Cilium Slack
Cilium community Slack
Learning Resources
Kubernetes By Example
Hands-on introduction to Kubernetes
Flux Tutorials
Getting started with Flux CD
CNCF YouTube
CNCF conference talks and tutorials
Kubernetes Documentation
Official Kubernetes tutorials
GitHub Repositories
Source code and releases for all major components:Kubernetes
Kubernetes source code
Flux
Flux CD source code
Cilium
Cilium CNI source code
cert-manager
cert-manager source code
Prometheus
Prometheus monitoring source code
Grafana
Grafana visualization source code
MetalLB
MetalLB load balancer source code
Sealed Secrets
Sealed Secrets controller source code