All files for production are compiled with Grunt. CSS compiled with PostCSS. Images and HTML just copied.

1. Install Node.js.

2. Install Grunt CLI:

    $ npm install -g grunt-cli
   

3. Install development modules:

    $ npm install
   

4. Run grunt build.

root — configs and dependencies.

build — destination directory. There would be generated assets. Shouldn't be in repository.

dev — source directory for everything:

• dev root — HTML.
• img — images.
• pcss — PostCSS files.

Start watching service which generates dev version on each source file change, also this start local webserver with autoreload:

$ grunt

Generate production (minified and optimized) version:

$ grunt build

test — check JavaScript code style in scripts.js and Gruntfile.js.

deploy — build website and upload to the GitHub Pages.