sidekiq_redis_config = { url: ENV.fetch('REDIS_URL', 'redis://127.0.0.1:6379'), password: ENV.fetch('REDIS_PASSWORD', nil) } Sidekiq.configure_client do |config| config.redis = sidekiq_redis_config.merge(size: 5) end Sidekiq.configure_server do |config| config.redis = sidekiq_redis_config.merge(size: 10) end