Sequence id generator in go, can be used to build a stand alone service.
$ go get github.com/FrontMage/goseq
import "github.com/FrontMage/goseq"
seq := &goseq.MemSequencer{}
for i:=0; i<10; i++{
fmt.Println(seq.Next)
}