Docker image .NET MAUI Android

Builds a docker image that allows containerised builds of .NET 9.0 MAUI Android 35 apps.

The goal of the resulting image is that you can run dotnet build on a MAUI Android workspace without first needing to install additional software.

Basic approach

• Start the docker image
• Get the source code you want to build
• dotnet build

Minimal example of steps in Github Actions

steps:
  - name: Checkout
    uses: actions/checkout@v4
  - name: Build
    shell: bash
    run: dotnet build
  - name: Upload AAB
    uses: actions/upload-artifact@v4
    with:
      name: aab
      path: bin/Release/net9.0-android/com.example.app-Signed.aab
      if-no-files-found: error
      retention-days: 1