Moving to github

shell.nix

@@ -0,0 +1,36 @@
+let
+  nixpkgs = fetchTarball "https://github.com/NixOS/nixpkgs/tarball/nixos-25.11";
+  pkgs = import nixpkgs { config = {}; overlays = []; };
+in
+
+pkgs.mkShellNoCC {
+  packages = with pkgs; [
+    ruby_3_3
+    go-task
+    docker
+    docker-compose
+    libyaml
+    pkg-config
+    gcc
+    gnumake
+    libffi
+    openssl
+    zlib
+    postgresql_16
+  ];
+
+  shellHook = ''
+    export PATH="$HOME/.local/share/gem/ruby/3.3.0/bin:$PATH"
+    export GEM_HOME="$HOME/.local/share/gem/ruby/3.3.0"
+    export BUNDLE_PATH="$HOME/.local/share/gem/ruby/3.3.0"
+    echo "TurboVault dev environment loaded!"
+    echo "  Ruby: $(ruby --version)"
+    echo "  Task: $(task --version 2>/dev/null || echo 'not available')"
+    echo "  Rails: $(rails --version 2>/dev/null || echo 'not installed — run: bundle install')"
+    echo ""
+    echo "Quick start:"
+    echo "  task setup   # One-command setup (Docker + gems + database)"
+    echo "  task server  # Start Rails server"
+    echo "  task         # Show all available tasks"
+  '';
+}