Go build exemples

Removing debug information included in the executable

Use the command:go build -ldflags "-w" main.go

To reduce even more using -s flag (strip)

Use the command:go build -ldflags "-s -w" main.go

Compressing binary using UPX

Install

Use the command: apt-get install upx

Using

Use the command: upx main

Output

                       Ultimate Packer for eXecutables
                          Copyright (C) 1996 - 2017
UPX 3.94        Markus Oberhumer, Laszlo Molnar & John Reiser   May 12th 2017

        File size         Ratio      Format      Name
   --------------------   ------   -----------   -----------
   2990944 ->   1157704   38.71%   linux/amd64   main                          

Packed 1 file.