server.onRequest { req, res in
  res.writeHead(200, [ "Content-Type": "text/html" ])
  try res.end("<h1>Hello World</h1>")
}

let app = server.connect()
app.use { req, res, next in
  console.info("Request is passing Connect middleware ...")
  res.setHeader("Content-Type", "text/html; charset=utf-8")
  // Note: we do not close the request, we continue with the next middleware
  try next()
}
app.use("/express/connect") { req, res, next in
  try res.write("<p>This is a random cow:</p><pre>")
  try res.write(vaca())
  try res.write("</pre>")
  res.end()
}

let app = server.express(cookieParser(), session())
app.get("/express/cookies") { req, res, _ in
  // returns all cookies as JSON
  try res.json(req.cookies)
}
app.get("/express/") { req, res, _ in
  let tagline = arc4random_uniform(UInt32(taglines.count))
  
  let values : [ String : Any ] = [
    "tagline"     : taglines[Int(tagline)],
    "viewCount"   : req.session["viewCount"] ?? 0,
    "cowOfTheDay" : cows.vaca()
  ]
  try res.render("index", values)
}