devdocs/assets/javascripts/app/config.coffee.erb

app.config =
  db_filename: 'db.json'
  default_docs: <%= App.default_docs.to_json %>
  docs_host: '<%= App.docs_host %>'
  env: '<%= App.environment %>'
  history_cache_size: 10
  index_filename: 'index.json'
  index_path: '/<%= App.docs_prefix %>'
  max_results: 50
  production_host: 'devdocs.io'
  search_param: 'q'
  sentry_dsn: '<%= App.sentry_dsn %>'
  version: <%= Time.now.to_i %>
  release: <%= Time.now.utc.httpdate.to_json %>
  mathml_stylesheet: '<%= App.cdn_origin %>/mathml.css'