Redmine

Rails 5 uses Puma as the default web server.

https://weblog.rubyonrails.org/2015/12/18/Rails-5-0-beta1/:

we’ve switched the default development server from Webrick to Puma.

We have to update the INSTALL document.

Index: doc/INSTALL
===================================================================
--- doc/INSTALL    (revision 17596)
+++ doc/INSTALL    (working copy)
@@ -74,12 +74,12 @@
      sudo chown -R redmine:redmine files log tmp public/plugin_assets
      sudo chmod -R 755 files log tmp public/plugin_assets

-8. Test the installation by running the WEBrick web server
+8. Test the installation by running the Puma web server

    Under the main application directory run:
      ruby bin/rails server -e production

-   Once WEBrick has started, point your browser to http://localhost:3000/
+   Once Puma has started, point your browser to http://localhost:3000/
    You should now see the application welcome page.

 9. Use the default administrator account to log in: