I am writing an introductory book to web application deployment

I decided to write a book (at the very least attempt to). And yes, there will be some Fedora inside!

Using private GitHub repositories with yarn and npm in package.json

Whether you are working on a JavaScript project or a Rails one with Webpack you might come to the point where you need to reference a private GitHub repository as your dependency in package.json. Here are two options on how to do that.

Firefox needs some more RAM to run your Rails system tests

A quick fix for an annoying (and not very descriptive) error Browsing context has been discarded when setting up Ruby on Rails system tests with Firefox headless.

InvoicePrinter 1.2

A new version of my Ruby gem for generating PDF invoices InvoicePrinter is out! This time bringing in a bundled server that can be handy for applications not running on Ruby.

Making PDF invoices from JavaScript and Node.js

This is an example of how to use the new InvoicePrinter Server that I announced recently to start invoicing from your Node.js projects.