Serve a webpage using Play framework with a simple script. Nothing more, than Linux and Java required. Thanks to brilliant work of Alexandre Archambault, @li_haoyi and Play developers.

hello-coursier-ammonite-play.sh

#!/bin/bash
test -e ~/.coursier/cr || (mkdir -p ~/.coursier && wget -q -O ~/.coursier/cr https://git.io/vgvpD && chmod +x ~/.coursier/cr)
CLASSPATH="$(~/.coursier/cr fetch -q -p \
  \
  com.typesafe.play:play-netty-server_2.11:2.5.0 \
  com.typesafe.play:play_2.11:2.5.0 \
  com.lihaoyi:ammonite-repl_2.11.7:0.5.2 \
  \
)" java \
  -Dplay.crypto.secret=foo.bar.baz \
  -Dconfig.resource=reference.conf \
  ammonite.repl.Main <(cat << "EOF"

import play.core.server._
import play.api.routing.sird._
import play.api.mvc._

val server = NettyServer.fromRouter(ServerConfig(
  port = Some(19000),
  address = "127.0.0.1"
)) {
  case GET(p"/hello/$to") => Action {
    Results.Ok(s"Hello $to")
  }
}

readLine

server.stop()

EOF
)