```ruby
GDS::SSO.config do |config|
  config.user_model = "User"
  config.oauth_id = ENV["OAUTH_ID"]
  config.oauth_secret = ENV["OAUTH_SECRET"]
  config.oauth_root_url = Plek.find("signon")
end
```

Add fallback OAuth ID and secret
user
```ruby
GDS::SSO.config do |config|
  config.user_model = "User"
  config.oauth_id = ENV["OAUTH_ID"] || "abcdefg"
  config.oauth_secret = ENV["OAUTH_SECRET"] || "secret"
  config.oauth_root_url = Plek.find("signon")
end
```
assistant