Generate BuildKit LLB definition for building a golang package.
src := llb.Local("src")
gb := gobuild.New(nil)
// gb := gobuild.New(&gobuild.Opt{DevMode: true})
buildctl, err := gb.BuildExe(gobuild.BuildOpt{
Source: src,
MountPath: "/go/src/github.com/moby/buildkit",
Pkg: "github.com/moby/buildkit/cmd/buildctl",
BuildTags: []string{},
})
if err != nil {
return err
}