Heroku Error: ArgumentError: invalid uri scheme ''
问题 I'm trying to get my Rails app to process background jobs with Sidekiq and to connect Sidekiq with redis-to-go on Heroku. Here's my Procfile : web: bundle exec puma -C config/puma.rb worker: bundle exec -C config/sidekiq.yml Here's my the Sidekiq.rb intializer file: require 'sidekiq' Sidekiq.configure_client do |config| config.redis = { url: ENV['REDIS_PROVIDER'] } end Sidekiq.configure_client do |config| config.redis = { url: ENV['REDIS_PROVIDER'] } end The REDIS_PROVIDER variable is set to