nix golang project exmaple

default.nix

{ pkgs ? import <nixpkgs> {} }:

let
  inherit (pkgs) stdenv buildEnv;

  goPackages = buildEnv {
    name = "go-packages";
    paths =
      [ # Dependencies...
      ];
  };
in

stdenv.mkDerivation rec {
  name = "foo-${version}";
  version = "0.0.1";

  src = ./.;

  nativeBuildInputs = [ pkgs.go ];

  buildPhase = ''
    mkdir -p build/go/src/github.com/lnl7
    ln -sfn ../../../../.. build/go/src/github.com/lnl7/foo

    export GOPATH="${goPackages}:$PWD/build/go"
    go build github.com/lnl7/foo
  '';

  installPhase = ''
    mkdir -p $out/bin
    cp foo $out/bin/foo
  '';

  shellHook = ''
    cd ${builtins.toString ./.}
    mkdir -p build/go/src/github.com/lnl7
    ln -sfn ../../../../.. build/go/src/github.com/lnl7/foo
    export GOPATH="${goPackages}:$PWD/build/go";
  '';
}

foo.go

package main
import "fmt"

func main() {
	fmt.Printf("Hello World!\n")
}