revert changes

zio-quickstart-restful-webservice-metrics/src/main/scala/dev/zio/quickstart/MainApp.scala

@@ -1,56 +1,33 @@
+
 package dev.zio.quickstart
 
 import dev.zio.quickstart.prometheus.PrometheusPublisherApp
 import dev.zio.quickstart.users._
 import zio._
 import zio.http._
 import zio.metrics.connectors.{MetricsConfig, prometheus}
-import zio.Console._
-import scala.util.Random
 
 object MainApp extends ZIOAppDefault {
   private val metricsConfig = ZLayer.succeed(MetricsConfig(5.seconds))
 
   def run = {
-    val retries        = 5
-    val portRangeStart = 8000
-    val portRangeEnd   = 8005
-
-    def allocatePort(retriesLeft: Int): ZIO[Any, Throwable, Unit] =
-      if (retriesLeft <= 0) {
-        ZIO.fail(
-          new RuntimeException(
-            "Failed to allocate a port within the retry limit"
-          )
-        )
-      } else {
-        val randomPort =
-          Random.nextInt(portRangeEnd - portRangeStart + 1) + portRangeStart
-        Server
-          .serve(UserRoutes() ++ PrometheusPublisherApp())
-          .provide(
-            Server.defaultWithPort(randomPort),
-
-            // A layer responsible for storing the state of the `counterApp`
-            ZLayer.fromZIO(Ref.make(0)),
-
-            // To use the persistence layer, provide the `PersistentUserRepo.layer` layer instead
-            InmemoryUserRepo.layer,
-
-            // General config for all metric backend
-            metricsConfig,
-
-            // The Prometheus reporting layer
-            prometheus.publisherLayer,
-            prometheus.prometheusLayer
-          )
-          .catchAll(_ => allocatePort(retriesLeft - 1))
-      }
-
-    allocatePort(retries)
-      .fold(
-        ex => ExitCode.failure,
-        _ => ExitCode.success
+    Server
+      .serve(UserRoutes() ++ PrometheusPublisherApp())
+      .provide(
+        Server.defaultWithPort(8080),
+
+        // An layer responsible for storing the state of the `counterApp`
+        ZLayer.fromZIO(Ref.make(0)),
+
+        // To use the persistence layer, provide the `PersistentUserRepo.layer` layer instead
+        InmemoryUserRepo.layer,
+
+        // general config for all metric backend
+        metricsConfig,
+
+        // The prometheus reporting layer
+        prometheus.publisherLayer,
+        prometheus.prometheusLayer
       )
   }
 }