Clear Memcached on Heroku Deploy

Question

What is the best way to automatically clear Memcached when I deploy my rails app to Heroku?

I\'m caching the home page, and when I make changes and redeploy, the pag

Answer 1

Since the heroku gem is deprecated, an updated version of Solomons very elegant answer would be to save the following code in lib/tasks/heroku_deploy.rake:

namespace :deploy do
    task :production do
        puts "deploying to production"
        system "git push heroku"
        puts "clearing cache"
        system "heroku run rake cache:clear"
        puts "done"
    end
end

namespace :cache do
  desc "Clears Rails cache"
  task :clear => :environment do
    Rails.cache.clear
  end
end

then instead of git push heroku master you type rake deploy:production in command line. To just clear the cache you can run rake cache:clear