darwin   amd64    macOS
freebsd  386      FreeBSD 32-bit
freebsd  amd64    FreeBSD 64-bit
linux    386      Linux 32-bit
linux    amd64    Linux 64-bit
linux    arm      Linux ARM 32-bit
linux    arm64    Linux ARM 64-bit
windows  386      Windows 32-bit
windows  amd64    Windows 64-bit
