A naive installation of Ruby and Rails on OpenBSD

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Here's the environment we'll play with (just an excuse to use neofetch):

The packages are handy but I'd prefer to keep the installation within my home in order to make actions like bundle install work without the need for super user permissions or custom configurations.

Also, I don't mind reducing the number of indirection layers.

First of all prepare the directory in which we'll install Ruby.

$ mkdir ~/.rubies

Note that we're doing this to avoid the need for the superuser.

Then download the sources of the latest version (3.0.2) and install them into our user directory:

$ curl -LO https://cache.ruby-lang.org/pub/ruby/3.0/ruby-3.0.2.tar.gz
$ tar xvfz ruby-3.0.2.tar.gz
$ cd ruby-3.0.2
$ ./configure --prefix ~/.rubies/3.0.2
$ make
$ make install

For convenience, link the newly installed version with the "current" alias:

$ ln -s $HOME/.rubies/3.0.2 $HOME/rubies/current

Edit ~/.profile and add $HOME/.rubies/current/bin to the $PATH so that the binaries will more easily be available in the terminal:

PATH=$HOME/.rubies/current/bin:$HOME/bin:__the rest of the path list here__

Here's our little precious:

$ ruby -v
ruby 3.0.2p107 (2021-07-07 revision 0db68f0233) [x86_64-openbsd6.9]

Nokogiri

Using the same approach described for FreeBSD in https://nokogiri.org/tutorials/installing_nokogiri.html#installing-using-standard-system-libraries we'll install the pkgconf package (note that the current user needs to be enabled for doas):

$ doas pkg install pkgconf
$ gem install nokogiri --platform=ruby -- --use-system-libraries

A new dawn

Time to test that the big boy works (picking "rails API only" to make things simpler):

$ gem install rails
$ rails new --api yolo
$ cd yolo
$ rails server

Now open another terminal (or the browser at http://localhost:3000) and enjoy the view:

$ curl http://localhost:3000

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