```ruby
require "sidekiq"

redis_config = { namespace: "signon_sidekiq" }
redis_config[:url] = ENV['REDIS_URL'] if ENV['REDIS_URL']

Sidekiq.configure_server do |config|
  config.redis = redis_config
  config.server_middleware do |chain|
    chain.add Sidekiq::Statsd::ServerMiddleware, env: 'govuk.app.signon', prefix: 'workers'
  end
end

Sidekiq.configure_client do |config|
  config.redis = redis_config
end
```

Change Redis namespace to match app name.
user
```ruby
require "sidekiq"

redis_config = { namespace: "signon" }
redis_config[:url] = ENV['REDIS_URL'] if ENV['REDIS_URL']

Sidekiq.configure_server do |config|
  config.redis = redis_config
  config.server_middleware do |chain|
    chain.add Sidekiq::Statsd::ServerMiddleware, env: 'govuk.app.signon', prefix: 'workers'
  end
end

Sidekiq.configure_client do |config|
  config.redis = redis_config
end
```
assistant