project/plugins.sbt (4 lines of code) (raw):
logLevel := Level.Warn
resolvers += "Typesafe repository" at "https://repo.typesafe.com/typesafe/releases/"
addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.6.20")
addSbtPlugin("com.typesafe.sbt" % "sbt-native-packager" % "1.1.4")