Create Micro Service with Scala Play framework, All source code available on Github [https://github.com/nuboat/play-rest] First Present and Sponsor by NFQ Asia (Vietnam)

1. © 2018, Peerapat AsoktummarungsriV 1.0, Play 2.6.15, Java 8 on June 23, 2018

2. © 2018, Peerapat AsoktummarungsriV 1.0, Play 2.6.15, Java 8 on June 23, 2018
• Backed by Lightbend
• Scala 2.12 Support
• HTTP/2 Support
• Native on Java / Scala
• OWASP Compatible
Why Play ?”

3. © 2018, Peerapat AsoktummarungsriV 1.0, Play 2.6.15, Java 8 on June 23, 2018
• app - Java / Scala code
• conf - configuration file
• project - scala plugins
• test - Java / Scala test code
• build.sbt - sbt build file
• README.md
• Dockerfile
Directory Structure

4. © 2018, Peerapat AsoktummarungsriV 1.0, Play 2.6.15, Java 8 on June 23, 2018
organization := "in.norbor"
name := "play-rest"
version := "beta"
sources in(Compile, doc) := Seq.empty
publishArtifact in(Compile, packageDoc) := false
lazy val root = (project in file(".")).enablePlugins(PlayScala)
scalaVersion := "2.12.6"
scalacOptions := Seq("-feature", "-deprecation", "-unchecked")
routesGenerator := InjectedRoutesGenerator
libraryDependencies ++= Seq(
jdbc
exclude("com.h2database", "h2")
exclude("com.jolbox", "bonecp")
, ehcache, guice
, "com.fasterxml.jackson.module" %% "jackson-module-scala" % "2.9.5"
, "com.typesafe.scala-logging" %% "scala-logging" % "3.9.0"
, "net.codingwell" %% "scala-guice" % "4.2.1"
, "joda-time" % "joda-time" % "2.9.9"
)
libraryDependencies ++= Seq(
"com.h2database" % "h2" % "1.4.194" % Test
, "com.jolbox" % "bonecp" % "0.8.0.RELEASE" % Test
, "org.scalatestplus.play" %% "scalatestplus-play" % "3.1.1" % Test
)
Simple(?) Build Tool

5. © 2018, Peerapat AsoktummarungsriV 1.0, Play 2.6.15, Java 8 on June 23, 2018
# Routes
# This file defines all application routes (Higher priority routes first)
# ~~~~
OPTIONS / controllers.RootController.rootOptions
OPTIONS /*url controllers.RootController.options(url: String)
GET /version controllers.RootController.version
POST /registration controllers.registration.Controller.post
POST /sum controllers.sum.Controller.post
# Resources
GET /assets/*file controllers.Assets.at(path="/public", file)
routes

6. © 2018, Peerapat AsoktummarungsriV 1.0, Play 2.6.15, Java 8 on June 23, 2018
include "common"
include "version"
# Environment
# production| staging| development| local
environment = "local"
play {
modules {
enabled += "facades.audit.Module"
enabled += "facades.security.Module"
}
}
db {
default {
hikaricp {
dataSourceClassName = org.postgresql.ds.PGSimpleDataSource
dataSource {
url = "jdbc:postgresql://localhost:5432/seed"
databaseName = "seed"
user = “norbor"
password = ""
}
}
}
}
application.conf

7. © 2018, Peerapat AsoktummarungsriV 1.0, Play 2.6.15, Java 8 on June 23, 2018
package controllers.registration
import javax.inject.{Inject, Singleton}
import play.api.db.Database
import play.api.mvc.{AbstractController, Action, ControllerComponents, Request}
import services.Json
@Singleton
class Controller @Inject()(cc: ControllerComponents
, json: Json
, db: Database)
extends AbstractController(cc) {
def post: Action[String] = Action(parse.tolerantText) { implicit request =>
request.toForm[Form].map (form => {
Ok
}).getOrElse {
BadRequest
}
}
implicit class HTTPRequest(request: Request[String]) {
def toForm[T: Manifest]: Option[T] = json.toClass[T](request.body)
}
}
case class Form(email: String, name: String, password: String)
Controller

8. © 2018, Peerapat AsoktummarungsriV 1.0, Play 2.6.15, Java 8 on June 23, 2018
import abstractspec.UnitSpec
import com.typesafe.scalalogging.LazyLogging
import play.api.test.FakeRequest
import play.api.test.Helpers.{POST, route, status, _}
class ControllerSpec extends UnitSpec with LazyLogging {
private lazy val R1 = (POST, "/registration")
s"${R1._1} ${R1._2}" should {
"return 200 with right json post" in {
val res = route(app, FakeRequest(R1._1, R1._2)
.withHeaders(
("Content-Type", "application/json"))
.withBody(
"""
|{
| "email" : "nb@beid.io"
| , "name" : "Boat"
| , "password" : "yo!!!!!!"
|}
""".stripMargin)
).get
status(res) mustBe OK
logger.info(contentAsString(res))
}
}
}
ControllerSpec

9. © 2018, Peerapat AsoktummarungsriV 1.0, Play 2.6.15, Java 8 on June 23, 2018
$> sbt compile
$> sbt test
$> sbt dist
Developer Friendly with Terminal

10. © 2018, Peerapat AsoktummarungsriV 1.0, Play 2.6.15, Java 8 on June 23, 2018
Skywalker:~/Github/play-rest (db)$ sbt clean dist
[info] Loading settings from idea.sbt ...
[info] Loading global plugins from /Users/nuboat/.sbt/1.0/plugins
[info] Loading settings from plugins.sbt ...
[info] Loading project definition from /Users/nuboat/Github/play-rest/project
[info] Loading settings from build.sbt ...
[info] Set current project to play-rest (in build file:/Users/nuboat/Github/play-rest/)
[success] Total time: 0 s, completed Jun 23, 2018 11:50:56 AM
[info] Packaging /Users/nuboat/Github/play-rest/target/scala-2.12/play-rest_2.12-beta-sources.jar ...
[info] Done packaging.
[info] Wrote /Users/nuboat/Github/play-rest/target/scala-2.12/play-rest_2.12-beta.pom
[info] Packaging /Users/nuboat/Github/play-rest/target/scala-2.12/play-rest_2.12-beta-web-assets.jar ...
[info] Done packaging.
[info] Compiling 18 Scala sources and 2 Java sources to /Users/nuboat/Github/play-rest/target/scala-2.12/classes ...
[info] Done compiling.
[info] Packaging /Users/nuboat/Github/play-rest/target/scala-2.12/play-rest_2.12-beta.jar ...
[info] Done packaging.
[info] Packaging /Users/nuboat/Github/play-rest/target/scala-2.12/play-rest_2.12-beta-sans-externalized.jar ...
[info] Done packaging.
[info] Your package is ready in /Users/nuboat/Github/play-rest/target/universal/play-rest-beta.zip
[success] Total time: 15 s, completed Jun 23, 2018 11:51:11 AM
[INFO] [06/23/2018 11:51:11.748] [Thread-2] [CoordinatedShutdown(akka://sbt-web)] Starting coordinated shutdown from JVM
shutdown hook
Skywalker:~/Github/play-rest (db)$ cd target/universal/
Skywalker:~/Github/play-rest/target/universal (db)$ unzip
play-rest-beta.zip scripts/
Skywalker:~/Github/play-rest/target/universal (db)$ unzip play-rest-beta.zip -d release
Archive: play-rest-beta.zip
inflating: release/lib/org.reactivestreams.reactive-streams-1.0.2.jar
inflating: release/lib/in.norbor.play-rest-beta-sans-externalized.jar
. . .
[Skywalker:~/Github/play-rest/target/universal (db)$ ll
total 81304
-rw-r--r-- 1 nuboat staff 41594693 Jun 23 11:51 play-rest-beta.zip
drwxr-xr-x 6 nuboat staff 192 Jun 23 11:52 release
drwxr-xr-x 3 nuboat staff 96 Jun 23 11:51 scripts
Skywalker:~/Github/play-rest/target/universal (db)$ ls release/
README.md bin conf lib

11. © 2018, Peerapat AsoktummarungsriV 1.0, Play 2.6.15, Java 8 on June 23, 2018
#
# Alpine Java 8
#
# https://hub.docker.com/r/anapsix/alpine-java/
# https://github.com/anapsix/docker-alpine-java
#
# Pull base image.
FROM anapsix/alpine-java:8_server-jre
ENV JAVA_HOME /opt/jdk
RUN apk add --update unzip
COPY target/universal/*.zip /root/build.zip
RUN unzip /root/build.zip -d /root/release
# Define working directory.
WORKDIR /root
# Define default command.
CMD exec /root/release/bin/play-rest
-Dhttp.address=0.0.0.0
-J-Xms128M -J-Xmx512m
-Dconfig.file=/root/release/conf/production.conf
-Dlogger.resource=/root/release/conf/production.xml
Docker Compatible

12. © 2018, Peerapat AsoktummarungsriV 1.0, Play 2.6.15, Java 8 on June 23, 2018
“play-rest-scala”
Available on Github