//STEP 1. Add the maven resource into your sbt file

object ApplicationBuild extends Build {  
  
  val appDependencies = Seq(
    // ... 
    "de.flapdoodle.embed" % "de.flapdoodle.embed.mongo" % "1.36",
    .....
  )
  
  
  val main = play.Project(appName, appVersion, appDependencies).settings(
    ....
    // include the maven repo local here...     
    resolvers += "maven repo" at "http://repo1.maven.org/maven2/",
    ....   
   )

}