About

GitHub Action to install QEMU static binaries.

---

• Usage
• Customizing
  • inputs
  • outputs
• Contributing

Usage

name: ci

on:
  push:

jobs:
  qemu:
    runs-on: ubuntu-latest
    steps:
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v3
        with:
          platforms: arm64, i386
      -
        name: Create an example binary for AArch64
        run: |
          go mod init hello
          cat << EOL > hello.go
          package main

          func main() {
            println("Hello, AArch64!")
          }
          EOL
          GOARCH=arm64 go build hello.go
      -
        name: This would fail without docker/setup-qemu-action
        run: ./hello
      -
        name: You can also run images from other platforms
        run: docker run --platform linux/i386 hello-world

Note

If you are using docker/setup-buildx-action, this action should come before it:

    -
      name: Set up QEMU
      uses: docker/setup-qemu-action@v3
    -
      name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v3

Customizing

inputs

The following inputs can be used as step.with keys:

Name	Type	Default	Description
image	String	tonistiigi/binfmt:latest	QEMU static binaries Docker image
platforms	String	all	Platforms to install (e.g., arm64,riscv64,arm)
cache-image	Bool	true	Cache binfmt image to GitHub Actions cache backend

outputs

The following outputs are available:

Name	Type	Description
platforms	String	Available platforms (comma separated)

Contributing

Want to contribute? Awesome! You can find information about contributing to this project in the CONTRIBUTING.md