golang-github-gorilla-websocke software package provides Go package implementing the WebSocket protocol, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install golang-github-gorilla-websocke
golang-github-gorilla-websocke is installed in your system.
Make ensure the golang-github-gorilla-websocke package were installed using the commands given below,
$ sudo dpkg-query -l | grep golang-github-gorilla-websocke*
You will get with golang-github-gorilla-websocke package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Development |
| Package | golang-github-gorilla-websocke |
| Version | 1.0.0+git20160606.12.a687089-1 |
| Description | Go package implementing the WebSocket protocol |
| Sub Section | devel |