Localhost development against a Sinatra server simulating a full blown stack

sinatra-simple.rb

require 'sinatra'
require 'json'
require "sinatra/cookies"

session_timeout_seconds = 30

before do
  content_type 'application/json'
end

post '/authentication' do
  logger.info "Trying to authenticate ..."
  data = JSON.parse(request.body.read)
  if (data['username'] == 'luther' && data['password'] == 'baker')
    now = Time.now
    sessionValue = now.to_i + session_timeout_seconds
    "{ \"session\" : \"SESSION=#{sessionValue}\" }"
  else
    logger.info "Authentication Failed: username='" + data['username'] + 
                "' password='" + data['password'] + "'"
    status 500
  end
end

get '/example' do
  now = Time.now
  session_timeout = cookies[:SESSION].to_i
  current_time = now.to_i
  if session_timeout > current_time
    File.read(File.join('data', 'example.json'))
  else
    logger.info "Session Timed Out!"
    status 500
  end
end