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I have a rails 3 app (which I upgraded). It runs on passenger and nginx but on my production server it also starts with the environment set to 'production'. I know I am missing something really basic, but I just can't figure out where to set the environment instead of in environment.rb.
Thanks for helping!
UPDATE: ok, I learned I can still do that with Rails.env = 'production'.
That seems kind of old school to me. Do you know an elegant way to configure this maybe in the Capfile or sth like that?
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The ENV hash in your Rails application is set when your Rails application starts. Rails loads into ENV any environment variables stored in your computer and any other key-value pairs you add using Figaro gem.
In general, the work of configuring Rails means configuring the components of Rails, as well as configuring Rails itself. The configuration file config/application. rb and environment-specific configuration files (such as config/environments/production.
RAILS_ENV is just an environmental variable which is set in the shell or the operating system itself (or when invoking the process). Environment variables are a set of dynamic named values that can affect the way running processes will behave on a computer. They are part of the environment in which a process runs.
Rails 3 is a little bit different than Rails 2.x in that it has a config.ru file, like other Rack applications.
Passenger detects rails as a Rack app, so you'll have to use RackEnv instead of RailsEnv in the vhost. You can set the environment using RackEnv as per the documentation for Passenger/Nginx.
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You can configure a different RAILS_ENV for each app in your vhost for nginx with passenger. I've never used nginx but in apache it's just a RailsEnv=development directive. That way each site just has it set, no worries with configuring a cap task or variable or anything. See the docs. Note that the default is production so this should already be set for you.
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