feat: Add logging to Gateway for pod synchronization and startup events

knockoutwhistweb/app/controllers/HealthController.scala

@@ -0,0 +1,30 @@
+package controllers
+
+import auth.{AuthAction, AuthenticatedRequest}
+import dto.subDTO.UserDTO
+import logic.user.{SessionManager, UserManager}
+import model.users.User
+import play.api.*
+import play.api.libs.json.Json
+import play.api.mvc.*
+import play.api.mvc.Cookie.SameSite.{Lax, None, Strict}
+
+import javax.inject.*
+
+
+/**
+ * This controller creates an `Action` to handle HTTP requests to the
+ * application's home page.
+ */
+@Singleton
+class HealthController @Inject()(
+                                val controllerComponents: ControllerComponents,
+                              ) extends BaseController {
+
+  def simple(): Action[AnyContent] = {
+    Action { implicit request =>
+      Ok("OK")
+    }
+  }
+
+}

knockoutwhistweb/app/logic/Gateway.scala

@@ -22,12 +22,14 @@ class Gateway @Inject()(
   
   val redis: RedisManager = {
     val config: Config = Config()
-    config.useSingleServer.setAddress("valkey://" + sys.env.getOrElse("VALKEY_HOST", "localhost") + ":" + sys.env.getOrElse("VALKEY_PORT", "6379"))
+    val url = "valkey://" + sys.env.getOrElse("VALKEY_HOST", "localhost") + ":" + sys.env.getOrElse("VALKEY_PORT", "6379")
+    logger.info(s"Connecting to Valkey at $url")
+    config.useSingleServer.setAddress(url)
     RedisManager(config)
   }
 
   redis.continuousSyncPod(() => {
-    logger.info("Syncing pod with Redis")
+    logger.info("Syncing pod with Valkey")
     createPod()
   })