```ruby
# This file is used by Rack-based servers to start the application.

require ::File.expand_path('../config/environment',  __FILE__)
run TravelSupportProgram::Application
```

Support for RAILS_RELATIVE_URL_ROOT (running in a subdirectory)
user
```ruby
# This file is used by Rack-based servers to start the application.

require ::File.expand_path('../config/environment',  __FILE__)
map (ENV['RAILS_RELATIVE_URL_ROOT'] || '/') do
  run TravelSupportProgram::Application
end
```
assistant