Add custom start up

backend-services/feed-service/app/ApplicationStart.scala

+import scala.concurrent.Future
+import javax.inject._
+import play.api.inject.ApplicationLifecycle
+
+// Creates an `ApplicationStart` object once at start-up and registers hook for shut-down.
+@Singleton
+class ApplicationStart @Inject() (lifecycle: ApplicationLifecycle) {
+  println("Starting...")
+
+  // Shut-down hook
+  lifecycle.addStopHook { () =>
+    Future.successful(())
+  }
+}

backend-services/feed-service/app/Module.scala

+import com.google.inject.AbstractModule
+
+class Module extends AbstractModule {
+  override def configure() = {
+    bind(classOf[ApplicationStart]).asEagerSingleton()
+  }
+}

backend-services/feed-service/conf/application.conf

 # MongoDB Connection Strings
-mongodb.uri= "mongodb://localhost:27017/"
+mongodb.uri = "mongodb://localhost:27017/"
 mongo.feedService.db = "feed-service"
 mongo.dailies.collection = "dailies"
 
@@ -7,7 +7,7 @@ mongo.questionService.db = "question-service"
 mongo.questions.collection = "questions"
 mongo.dailyQuestions.collection = "daily-questions"
 
-# JWT Authenticationn
+# JWT Authentication
 jwt.privateKey = ""
 
 # Daily Questions
@@ -32,6 +32,9 @@ play.filters.enabled += play.filters.cors.CORSFilter
 # Use a custom error handler to not return HTML views
 play.http.errorHandler = "models.CustomErrorHandler"
 
+# Control which modules are loaded when Play starts.
+play.modules.enabled += Module
+
 # --- Configuration Values to be replaced with environment variables, if present ---
 mongodb.uri = ${?MONGO_URI}
 jwt.privateKey = ${?JWT_PRIVATE_KEY}