Add setup instructions (#61)

* Add setup instructions

* Add shell.nix

* Merge nix shell configs

* Silence envrc errors

---------

Co-authored-by: kristof_crnivec <kristof.crnivec@gmail.com>

Author: szlend

.envrc

@@ -0,0 +1,5 @@
+if nix flake metadata > /dev/null 2>&1; then
+  use flake
+else
+  use nix
+fi

.gitignore

@@ -17,6 +17,7 @@ notes.txt
 *.vi
 *~
 .sass-cache
+.bundle
 
 # OS or Editor folders
 .DS_Store
@@ -33,3 +34,4 @@ node_modules
 *.sublime-project
 *.sublime-workspace
 .idea
+.bundler

Gemfile.lock

@@ -222,6 +222,8 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.20.0)
     mutex_m (0.1.2)
+    nokogiri (1.15.4-arm64-darwin)
+      racc (~> 1.4)
     nokogiri (1.15.4-x86_64-darwin)
       racc (~> 1.4)
     octokit (4.25.1)
@@ -262,6 +264,7 @@ GEM
     webrick (1.8.1)
 
 PLATFORMS
+  arm64-darwin-22
   x86_64-darwin-22
 
 DEPENDENCIES

README.md

@@ -3,3 +3,14 @@
 Source code for [Slovenia Ruby User Group](http://www.rug.si/) page. [Contributions welcome](CONTRIBUTING.md)!
 
 Join us on Slack: [![Slovenia Ruby User Group Slack](http://slack.rug.si/badge.svg)](http://slack.rug.si/)
+
+## Setup
+
+Use your Ruby version manager of choice ([asdf](https://asdf-vm.com/), [rbenv](https://github.com/rbenv/rbenv)) or open the [Nix](https://nixos.org/) shell by running `nix develop`.
+
+To install the dependencies and start the server, run:
+
+```bash
+bundle install
+bundle exec jekyll serve
+```

flake.lock

@@ -0,0 +1,15 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-parts.url = "github:hercules-ci/flake-parts";
+    flake-parts.inputs.nixpkgs-lib.follows = "nixpkgs";
+  };
+
+  outputs = inputs@{ flake-parts, ... }:
+    flake-parts.lib.mkFlake { inherit inputs; } {
+      systems = [ "x86_64-linux" "aarch64-linux" "aarch64-darwin" "x86_64-darwin" ];
+      perSystem = { pkgs, ... }: {
+        devShells.default = pkgs.callPackage ./shell.nix { };
+      };
+    };
+}

flake.nix

@@ -0,0 +1,20 @@
+{ pkgs ? import <nixpkgs> {} }:
+let
+  be = pkgs.writeShellScriptBin "be" ''
+    bundle exec $@
+  '';
+in
+pkgs.mkShell {
+  name = "Ruby user group Slovenia";
+  buildInputs = [
+    pkgs.ruby_3_2
+    pkgs.rubyPackages_3_2.solargraph # Ruby language server
+    pkgs.nodejs_20
+
+    be
+  ];
+
+  shellHook = ''
+    bundle config set --local path '.'
+  '';
+}