package docker import ( "errors" "sync" ) var ( StartDbInDocker func(string) (func() error, string, string, error) = startDbInDockerUnsupported ErrDockerUnsupported = errors.New("docker is not currently supported on this platform") mx = sync.Mutex{} ) func startDbInDockerUnsupported(dialect string) (cleanup func() error, retURL, container string, err error) { return nil, "", "", ErrDockerUnsupported }