This is short and simple guide of docker, useful for frontend developers and written by Akanksha Sharma.
You may also be interested in ...
Cecil
Your content driven static site generator.
PostHTML
PostHTML is a tool to transform HTML/XML with JS plugins. PostHTML itself is very small. It includes only a HTML parser, a HTML node tree API and a node tree stringifier.
Accessibility cheat sheet
Practical approaches to Universal Design for making your website/webapp accessible to everyone.