Running Servlets with WEBrick

index.rhtml

<pre>
Request to <%= servlet_request.request_uri %>
Query params <%= servlet_request.query.inspect %>
</pre>

server.rb

require 'webrick'
include WEBrick

server = HTTPServer.new(Port: 8000)

# Add a mime type for *.rhtml files
HTTPUtils::DefaultMimeTypes.store('rhtml', 'text/html')

# Required for CGI on Windows; unnecessary on Unix/Linux
server.config.store(:CGIInterpreter, HTTPServlet::CGIHandler::Ruby)

# Mount servlets
server.mount('/', HTTPServlet::FileHandler, '.')

# Trap signals so as to shutdown cleanly
['TERM', 'INT'].each do |signal|
  trap(signal) { server.shutdown }
end

# Start the server and block on input
server.start

server.sh

#!/bin/sh
ruby -rwebrick -e 'WEBrick::Config::HTTP[:MimeTypes]["rhtml"] = "text/html"' -run -e httpd -- -p 8000 .