The package golang-github-grpc-ecosystem-grpc-gateway 1.3.0-1 has been added to kali-rolling. It has been imported from Debian: https://tracker.debian.org/pkg/golang-github-grpc-ecosystem-grpc-gateway -- More information about golang-github-grpc-ecosystem-grpc-gateway: http://pkg.kali.org/pkg/golang-github-grpc-ecosystem-grpc-gateway