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build.sbt
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lazy val CatsEffectVersion = "1.3.1"
lazy val Fs2Version = "1.0.5"
lazy val Http4sVersion = "0.20.3"
lazy val CirceVersion = "0.11.1"
lazy val DoobieVersion = "0.8.0-M1"
lazy val H2Version = "1.4.196"
lazy val FlywayVersion = "5.0.5"
lazy val LogbackVersion = "1.2.3"
lazy val ScalaTestVersion = "3.0.8"
lazy val ScalaCheckVersion = "1.14.0"
lazy val PureconfigVersion = "0.11.1"
lazy val assemblyFolder = file("assembly")
lazy val ignoreFiles = List("application.conf.sample")
enablePlugins(DockerPlugin)
resolvers += Resolver.sonatypeRepo("releases")
addCompilerPlugin("org.typelevel" %% "kind-projector" % "0.10.3")
parallelExecution in Test := false
parallelExecution in IntegrationTest := false
lazy val root = (project in file("."))
.configs(IntegrationTest)
.settings(
Defaults.itSettings,
organization := "co.ledger",
name := "hackathon-blockchain-explorer",
version := "0.0.1-SNAPSHOT",
scalaVersion := "2.12.8",
// Inspired by https://tpolecat.github.io/2017/04/25/scalac-flags.html
addCommandAlias("beforePush", ";scalastyle;compile"),
scalacOptions ++= Seq(
"-deprecation", // Emit warning and location for usages of deprecated APIs.
"-encoding", "utf-8", // Specify character encoding used by source files.
"-explaintypes", // Explain type errors in more detail.
"-feature", // Emit warning and location for usages of features that should be imported explicitly.
"-language:existentials", // Existential types (besides wildcard types) can be written and inferred
"-language:higherKinds", // Allow higher-kinded types
"-language:implicitConversions", // Allow definition of implicit functions called views
"-unchecked", // Enable additional warnings where generated code depends on assumptions.
"-Xfatal-warnings", // Fail the compilation if there are any warnings.
"-Xlint:constant", // Evaluation of a constant arithmetic expression results in an error.
"-Xlint:delayedinit-select", // Selecting member of DelayedInit.
"-Xlint:doc-detached", // A Scaladoc comment appears to be detached from its element.
"-Xlint:inaccessible", // Warn about inaccessible types in method signatures.
"-Xlint:infer-any", // Warn when a type argument is inferred to be `Any`.
"-Xlint:missing-interpolator", // A string literal appears to be missing an interpolator id.
"-Xlint:nullary-override", // Warn when non-nullary `def f()' overrides nullary `def f'.
"-Xlint:nullary-unit", // Warn when nullary methods return Unit.
"-Xlint:option-implicit", // Option.apply used implicit view.
"-Xlint:poly-implicit-overload", // Parameterized overloaded implicit methods are not visible as view bounds.
"-Xlint:private-shadow", // A private field (or class parameter) shadows a superclass field.
"-Xlint:stars-align", // Pattern sequence wildcard must align with sequence component.
"-Xlint:type-parameter-shadow", // A local type parameter shadows a type already in scope.
"-Xlint:unsound-match", // Pattern match may not be typesafe.
"-Ypartial-unification", // Enable partial unification in type constructor inference
"-Ywarn-dead-code", // Warn when dead code is identified.
"-Ywarn-extra-implicit", // Warn when more than one implicit parameter section is defined.
"-Ywarn-inaccessible", // Warn about inaccessible types in method signatures.
"-Ywarn-infer-any", // Warn when a type argument is inferred to be `Any`.
"-Ywarn-nullary-override", // Warn when non-nullary `def f()' overrides nullary `def f'.
"-Ywarn-nullary-unit", // Warn when nullary methods return Unit.
"-Ywarn-unused:implicits", // Warn if an implicit parameter is unused.
"-Ywarn-unused:imports", // Warn if an import selector is not referenced.
"-Ywarn-unused:locals", // Warn if a local definition is unused.
"-Ywarn-unused:params", // Warn if a value parameter is unused.
"-Ywarn-unused:patvars", // Warn if a variable bound in a pattern is unused.
"-Ywarn-unused:privates", // Warn if a private member is unused.
),
libraryDependencies ++= Seq(
"org.typelevel" %% "cats-effect" % CatsEffectVersion,
"co.fs2" %% "fs2-core" % Fs2Version,
"org.http4s" %% "http4s-blaze-server" % Http4sVersion,
"org.http4s" %% "http4s-blaze-client" % Http4sVersion,
"org.http4s" %% "http4s-circe" % Http4sVersion,
"org.http4s" %% "http4s-dsl" % Http4sVersion,
"org.http4s" %% "http4s-prometheus-metrics" % Http4sVersion,
"org.http4s" %% "http4s-async-http-client" % Http4sVersion,
"io.circe" %% "circe-core" % CirceVersion,
"io.circe" %% "circe-generic" % CirceVersion,
"io.circe" %% "circe-generic-extras" % CirceVersion,
"io.circe" %% "circe-parser" % CirceVersion,
"com.h2database" % "h2" % H2Version,
"org.flywaydb" % "flyway-core" % FlywayVersion,
"org.tpolecat" %% "doobie-core" % DoobieVersion,
"org.tpolecat" %% "doobie-postgres" % DoobieVersion,
// doobie connection pooling
"org.tpolecat" %% "doobie-hikari" % DoobieVersion,
"org.tpolecat" %% "doobie-h2" % DoobieVersion,
"com.typesafe.scala-logging" %% "scala-logging" % "3.9.0",
"ch.qos.logback" % "logback-classic" % LogbackVersion,
"com.github.pureconfig" %% "pureconfig" % PureconfigVersion,
"org.scalatest" %% "scalatest" % ScalaTestVersion % "it,test",
"org.scalacheck" %% "scalacheck" % ScalaCheckVersion % "it,test",
"org.tpolecat" %% "doobie-scalatest" % DoobieVersion % "it,test"
),
cleanFiles += assemblyFolder,
test in assembly := {},
assemblyOutputPath in assembly := assemblyFolder / (name.value + "-v" + version.value + ".jar"),
// Remove resources files from the JAR (they will be copied to an external folder)
assemblyMergeStrategy in assembly := {
case PathList("META-INF", _) => MergeStrategy.discard
case PathList("BUILD") => MergeStrategy.discard
case path => if (ignoreFiles.contains(path))
MergeStrategy.discard
else
(assemblyMergeStrategy in assembly).value(path)
},
imageNames in docker := Seq(
// Sets the latest tag
ImageName(s"ledgerhq/${name.value}:latest"),
// Sets a name with a tag that contains the project version
ImageName(
namespace = Some("ledgerhq"),
repository = name.value,
tag = Some("v" + version.value)
)
),
// User `docker` to build docker image
dockerfile in docker := {
// The assembly task generates a fat JAR file
val artifact: File = assembly.value
val artifactTargetPath = s"/app/${artifact.name}"
new Dockerfile {
from("openjdk:8-jre")
add(artifact, artifactTargetPath)
entryPoint("java", "-jar", artifactTargetPath)
}
}
)