mysql2 ruby gem nix devenv config

how to install mysql2 gem in devenv.md

Option 1

Make sure these are in devenv.nix

  packages = with pkgs; [
    libmysqlclient
  ];

  services.mysql = {
    enable = true;
  };
  
  env.NIX_CFLAGS_COMPILE = "-I ${pkgs.mariadb-connector-c}/include/mariadb";

Option 2

Make sure these are in devenv.yaml

inputs:
  nixpkgs-unstable:
    url: github:nixos/nixpkgs/nixpkgs-unstable

Make sure these are in devenv.nix

  packages = with pkgs; [
    zstd
  ];

  services.mysql = {
    enable = true;
    package = pkgs-unstable.percona-server;
  };