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Set UTF-8 as default string encoding in Heroku

I need to change the default ruby string encoding to UTF-8 in Heroku. For some reason it is US-ASCII.

$ heroku console
Ruby console for myapp.heroku.com 
>> "a".encoding 
=> #<Encoding:ASCII-8BIT>

However, if I run irb locally I get a different result:

$ irb 
ruby-1.9.2-p136 :001 > "a".encoding 
=> #<Encoding:UTF-8>

Both run on ruby 1.9.2. I've tried setting this as well, but didn't work:

Encoding.default_internal = Encoding.default_external = "UTF-8"

Ideas?

Thanks, Felipe

like image 308
Felipe Lima Avatar asked Sep 30 '11 15:09

Felipe Lima


1 Answers

As per the Heroku support staff, this is the magic thing:

heroku config:add LANG=en_US.UTF-8

Although heroku console will keep reporting strings encoding as ASCII-8BIT, your actuall app will be running with the correct encoding, based on the LANG config var. You can double check that by doing this:

$ heroku run bash
Running bash attached to terminal... up, run.2
u20415@022e95bf-3ab6-4291-97b1-741f95e7fbda:/app$ irb
irb(main):001:0> "a".encoding
=> #<Encoding:UTF-8>
like image 179
Felipe Lima Avatar answered Sep 28 '22 08:09

Felipe Lima