What this snippet does
Building on the native platform and cross-compiling avoids slow QEMU emulation.
Expected output
=> [build 4/4] RUN GOOS=linux GOARCH=arm64 go build 6.8s
Why practise typing this
Typing buildkit & buildx code builds muscle memory for the symbols and indentation Docker uses most, which prose-based typing tests never cover. DevType measures your words per minute and accuracy on this snippet and tracks the individual characters you mistype, so later lessons can target them.
More Docker practice
- Bind mount during buildBuildKit & Buildx · advanced
- Building for two architecturesBuildKit & Buildx · advanced
- Registry-backed build cacheBuildKit & Buildx · advanced
- Declarative buildx bakeBuildKit & Buildx · advanced
- Creating a builder instanceBuildKit & Buildx · advanced
- Exporting build output to diskBuildKit & Buildx · advanced