dev.nix

# To learn more about how to use Nix to configure your environment
# see: https://developers.google.com/idx/guides/customize-idx-env
{ pkgs, ... }: {
  # Which nixpkgs channel to use.
  channel = "stable-23.11"; # or "unstable"
  # Use https://search.nixos.org/packages to find packages
  packages = [
    pkgs.inotify-tools
    pkgs.elixir
    pkgs.elixir_ls
  ];
  # Sets environment variables in the workspace
  env = {};
  services.postgres = {
    enable = true;
  };
  idx = {
    # Search for the extensions you want on https://open-vsx.org/ and use "publisher.id"
    extensions = [
       "elixir-lsp.elixir-ls"
    ];
    # Enable previews and customize configuration
    previews = {
      enable = true;
      previews = {
        web = {
          command = ["mix" "phx.server"];
          manager = "web";
          env = {
            PORT = "$PORT";
          };
        };
      };
    };
    # Workspace lifecycle hooks
    workspace = {
      # Runs when a workspace is first created
      onCreate = {
        # Example: install JS dependencies from NPM
        # npm-install = "npm install";
        setup-project = ''
          psql --dbname=postgres -c "CREATE USER \"postgres\" PASSWORD 'postgres' CREATEDB LOGIN;"
          mix local.hex --force
          mix setup
        '';
        # Open editors for the following files by default, if they exist:
        default.openFiles = [ "README.md" ];
      };
      # Runs when the workspace is (re)started
      onStart = {
        # Example: start a background task to watch and re-build backend code
        # watch-backend = "npm run watch-backend";
      };
    };
  };
}