by alindeman

alindeman /upgradingtorails4

Upgrading to Rails 4 e-book

451 Stars 30 Forks Last release: over 6 years ago (v1.1.0) Other 240 Commits 6 Releases

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Upgrading To Rails 4

An e-book covering the deprecations, new features and common upgrading scenarios facing developers upgrading from Rails 3 to Rails 4.

Originally written by Andy Lindeman and now released under CC BY 3.0.

Where should you go from here? * Build the book yourself. * Contribute to the book. Pull requests accepted.

Build Toolchain

kitabu can export ePub and HTML by default.

$ bundle install
$ bundle exec kitabu export
$ ls output/

As you're hacking on the book, you can have it generate automatically:

$ bundle exec guard


PrinceXML is required to build the PDF version of the book. A trial version is available at princexml.com.


KindleGen is required to build the mobi version of the book. KindleGen can be downloaded from Amazon.

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