---
kind: pipeline
type: docker
name: default

platform:
  os: linux
  arch: amd64

steps:
- name: build
  image: archlinux:base-devel
  commands:
  - whoami
  - pacman -Sy
  - pacman -S flutter clang cmake ninja
  - flutter config --no-analytics
  - flutter config --enable-linux-desktop
  - flutter clean
  - flutter pub get
  - flutter build linux --release --verbose

...