Log rotation in Rails apps

Logging in Ruby on Rails tends to be a little…verbose. For this site, my production.log had built up to 425MB in 6 months.

Intending to use logrotate, I did a bit of googling and found this instead, which told me Rails could do it for me with the following code snippet:

config.logger = Logger.new("#{RAILS_ROOT}/log/#{RAILS_ENV}.log", 50, 1.megabyte)

However it doesn’t say where in config/environment.rb to put it. I eventually found this which was more helpful, but still not quite accurate.

So, for the stable version of Typo find the line beginning with RAILS_DEFAULT_LOGGER and replace it with this:

RAILS_DEFAULT_LOGGER = Logger.new("#{RAILS_ROOT}/log/#{RAILS_ENV}.log", 50, 1.megabyte)

I’m sure there’s an even better way to do, but this worked for me.

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