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Features

One form turns a container image into a bootable Raspberry Pi image. Here is what you can choose and what you get back.

Images from a registry

Type a reference and we fetch it for you. There's no need to export or upload anything.

  • Docker Hub, GitHub Container Registry and other public registries
  • Tags, or exact digests for repeatable builds
  • Rejected up front if the image isn't built for 64-bit ARM

Your own image Premium

Rather than pulling from a registry, upload the file that docker save makes (a .tar or .tar.gz, up to 4 GB). Large files are sent in pieces and pick up where they left off if your connection drops.

Free accounts build from public registries. Uploading is part of Premium.

Raspberry Pi models

  • Raspberry Pi 5 (Pi 5, 500, CM5). Boots from SD card or USB.
  • Raspberry Pi 4 (Pi 4, 400, CM4). Boots from SD card or USB. Boards made before 2020 may need a bootloader update first.
  • Raspberry Pi 3 (Pi 3B, 3B+, 3A+, CM3). SD card works everywhere. USB boot works on the 3B+ and 3A+, and on a 3B once its one-time setting is enabled.
  • Raspberry Pi Zero 2 W (Zero 2 W). SD card only.

Read-only root

The system partition is mounted read-only, with /tmp and /var held in memory. A sudden power loss can't corrupt the card, which suits kiosks, signs and sensors.

Data partition

Reserve space for anything your app has to keep between reboots. It sits apart from the system, so a read-only root and saved data work together.

Wi-Fi

Enter a network name and password and the image joins that network when it boots. The password is used once during the build and is not stored afterwards; the image holds a key derived from it. Wi-Fi needs wpa_supplicant inside your image (Debian or Ubuntu: apt-get install wpasupplicant), or use Ethernet.

What you download

  • A compressed .img.xz that Raspberry Pi Imager and balenaEtcher write directly
  • A SHA-256 checksum to verify the file
  • The full build log, in case something needs a closer look

Ready to try it?

Make an account, paste an image name and pick your Pi.

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