CODEWITHSUNDEEP
ruby-on-railsgitherokubrowser-cachecedar
laertiades
laertiades

Reputation: 2012

access version specific value from within Rails app running on Heroku Ceder Stack

I have a Rails 4 app running on the Ceder Stack of Heroku. I use conditional responses based on etag. I have an initialization script which changes the etag value so that each new release requires browser to renew cache:

# creates new seed for creation of etag in header
ENV["RAILS_CACHE_ID"] = Time.now.to_s

This works fine in staging, but in production I am using multiple dynos and they can end up with different values.

Is there a variable I can use that will be unique for each release but identical across all dynos? The git version number perhaps? Thanks in advance for any insights.

Upvotes: 0

Views: 30

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