57 lines
2.3 KiB
Markdown
57 lines
2.3 KiB
Markdown
---
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title: "Running a different ruby with Passenger 3.2 and RVM"
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kind: article
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slug: running-a-different-ruby-with-passenger-3-2-and-rvm
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created_at: 2012-05-11
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tags:
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- Ruby
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- rvm
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- passenger
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- nginx
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---
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Passenger 3.2 will have quite some nice new features. [1](http://blog.phusion.nl/2012/04/13/a-sneak-preview-of-phusion-passenger-3-2/) [2](http://blog.phusion.nl/2012/04/25/a-sneak-preview-of-phusion-passenger-3-2-part-2/)
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The features I'm looking forward to most is the ability to specify - per virtual server - which ruby to use.
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Before, you installed passenger and specified the required ruby version using `passenger_ruby`, like this in your `nginx.conf`:
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http {
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passenger_root /opt/passenger;
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passenger_ruby /usr/local/bin/ruby;
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server {
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server_name ariejan.net;
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passenger_enabled on;
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}
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}
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Now, if you added another server it would be forced to use the same ruby version. This might be okay for most servers, but for me not so much. I have several side-projects running on a single machine, and using only one ruby version is not optimal or even impossible.
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Now, with the upcoming Passenger 3.2 you can select a ruby version *per server*. This is awesome. All you have to do is move the `passenger_ruby`directive into the `server` block and all is set. Of course, you can leave the globally set ruby just as is.
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http {
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passenger_root /opt/passenger;
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passenger_ruby /usr/local/bin/ruby;
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server {
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server_name ariejan.net;
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passenger_enabled on;
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passenger_ruby /home/deployer/.rvm/rubies/ruby-1.9.3-p194/bin/ruby;
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}
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}
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As you can see in the example above, I'm referencing ruby-1.9.3-p194, installed with RVM.
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### Installing "experimental" Passenger
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The installation is easy, as usual, but you must checkout the passenger source from Github and use the `experimental` branch.
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**Warning: do not install the `experimental` branch of Passenger on your production server unless you are absolutely sure what you're doing and you know how to rollback quickly and easily to a stable version of passenger.**
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cd /opt
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git clone https://github.com/FooBarWidget/passenger.git
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cd /opt/passenger
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git checkout -b experimental origin/experimental
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./bin/passenger-install-nginx-module
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