Make The Rails Asset Pipeline Always Use a File Cache
Stuff this in e.g. config/environments/development.rb to make Rails asset pipeline always use a file cache:
config.assets.cache_store = :file_store, "tmp/asset-pipeline"
Even better, don't use the Rails asset pipeline (sprockets): * Gulp.js * Grunt.js * Broccoli * Goodbye, Sprockets! A Grunt-based Rails Asset Pipeline