Merge pull request #60 from happysalada/add_nix_instructions

add nix instructions for quick setup

.envrc

@@ -0,0 +1 @@
+use_nix

.gitignore

@@ -82,3 +82,6 @@ Temporary Items
 *.gcode
 *.scad
 *.calva/
+
+# Nix
+.direnv

README.md

@@ -12,6 +12,12 @@ To tinker around this thing, follow these steps:
 4. Change something in `src/dactyl_keyboard/handler.clj`.
 5. Open [localhost:3030](http://localhost:3030).
 
+### With Nix
+
+1. run `direnv allow` when you first cd into the project
+2. nix will then install and cache dependencies
+3. running `lein ring server-headless` will run the server with hot-reloading on port 3030
+
 ## Deployment
 
 To deploy it in a computer, follow these steps:

shell.nix

@@ -0,0 +1,22 @@
+with import <nixpkgs> { };
+let
+
+  # define packages to install with special handling for OSX
+  basePackages = [
+    # Core runtime libraries
+    clojure
+    jdk
+    leiningen
+  ];
+
+  inputs = basePackages ++ lib.optional stdenv.isLinux inotify-tools
+    ++ lib.optionals stdenv.isDarwin
+    (with darwin.apple_sdk.frameworks; [ CoreFoundation CoreServices ]);
+
+  # define shell startup command
+  hooks = "";
+
+in mkShell {
+  buildInputs = inputs;
+  shellHook = hooks;
+}