CloudShiksha365

Raspeberry pi board for Kubernetes cluster

We can build a cheap and ready to test Kubernetes lab at home with raspberry hardware.

This piece of hardware contains – A compact, credit-card sized chips on board, with ports for USB, HDMI, Ethernet, GPIO pins, and the Broadcom SoC in the center.

Build a Kubernetes Cluster at Home with Raspberry Pi 5 (Step-by-Step Guide)

Why Build a Home Kubernetes Cluster?

Running Kubernetes at home is a fantastic way to learn container orchestration, experiment with cloud-native tools, and create your own mini data center. With Raspberry Pi 5, you can build a powerful, energy-efficient cluster without breaking the bank.

Hardware Shopping List (Netherlands Market)

For a 3-node Raspberry Pi 5 Kubernetes cluster, here’s what you need:

✅ Core Components

  • 3 × Raspberry Pi 5 (8 GB)
    Price: ~€100 each
    Buy from RaspberryStore.nl or Kiwi Electronics
  • 3 × NVMe SSDs (500 GB)
    Options: Crucial P3 Plus (~€54), Kingston NV2 (~€78), Samsung 980 (~€70)
    Amazon.nl, Coolblue
  • 3 × NVMe Adapter for Pi 5
    Price: ~€60 each
    Bol.com
  • 3 × Cooling Cases with Fans
    Options: Argon NEO 5 (~€23) or Official Pi 5 case (~€13)
    RaspberryStore.nl
  • 3 × Official Raspberry Pi 27W USB-C Power Supplies
    Price: ~€13 each
    RaspberryStore.nl

✅ Networking

  • Gigabit Switch (8-port)
    TP-Link TL-SG108 or Netgear GS308 (~€22)
    Bol.com

✅ Optional

  • microSD Cards (32 GB+) for OS boot fallback
  • PCIe cables, mounting screws, and standoffs (~€10 total)

Estimated Total Cost

≈ €850 for a 3-node cluster (including NVMe storage and cooling).

Visual: Raspberry Pi 5 Setup

!Raspberry Pi 5 with NVMe Adapter and Cooling Case
This is how your Kubernetes-ready Pi 5 node will look.

Step 1: Install the OS

  • Download Ubuntu Server 22.04 ARM64 or Raspberry Pi OS Lite.
  • Use Raspberry Pi Imager or balenaEtcher to flash the image to NVMe or microSD.
  • Preconfigure SSH and Wi-Fi in Raspberry Pi Imager for headless setup.

Step 2: Boot and Configure

  • Connect power, Ethernet, and boot the Pi.
  • Update packages:
  • enable ssh – sudo systemctl enable ssh && sudo systemctl start ssh

Step 3: Install Kubernetes

For lightweight clusters, use k3s: curl -sfL https://get.k3s.io | sh –

Or MicroK8s: sudo snap install microk8s –classic

Step 4: Add Storage & Networking

Format NVMe SSDs for persistent volumes.Configure your Gigabit switch for stable connectivity.

Why Raspberry Pi 5?

  • Quad-core ARM CPU with PCIe support for NVMe.
  • 8 GB RAM for running multiple pods.
  • Low power consumption (~10 W per node).
  • Affordable and scalable.
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