updated the gradle command in fastfile to use bundle format instead of apk

Jenkinsfile

@@ -46,7 +46,7 @@ pipeline {
             }
         }
 
-        stage('Playstore Alpha') {
+        stage('Playstore Alpha Testing') {
             steps {
                 script {
                     // Use absolute path to Fastlane
@@ -54,7 +54,7 @@ pipeline {
                     env.PATH = "${fastlanePath}:${env.PATH}"
 
                     // Run Fastlane deploy for Firebase App distribution
-                    sh 'fastlane deployToplay'
+                    sh 'fastlane deployToPlaystoreAlpha'
                 }
             }
         }

app/build.gradle.kts

@@ -7,6 +7,16 @@ android {
     namespace = "com.kp.testapp"
     compileSdk = 34
 
+    // Signing configurations
+    signingConfigs {
+        create("release") {
+            keyAlias = "fastlane"
+            keyPassword = "niveus@123"
+            storeFile = file("fastlane.jks")
+            storePassword = "niveus@123"
+        }
+    }
+
     defaultConfig {
         applicationId = "com.kp.testapp"
         minSdk = 25
@@ -22,8 +32,11 @@ android {
 
     buildTypes {
         release {
+            signingConfig = signingConfigs.getByName("release")
             isMinifyEnabled = false
             proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
+            // Enable bundle generation for release
+
         }
     }
     compileOptions {

fastlane/Fastfile

@@ -24,8 +24,9 @@ platform :android do
   ######## FIREBASE DISTRIBUTION  ########
   desc "Submit a new Google Test Build to Firebase App Distribution"
   lane :distributeViaFirebase do |options|
+     gradle(task: "bundleRelease")
      # gradle(task: "clean assembleRelease")
-      gradle(task: "clean assembleDebug")
+     # gradle(task: "clean assembleDebug")
 
       # find apk path
      #output_path = "/home/karthik_shetty_niveussolutions_c/var/lib/jenkins/workspace/fastlane/app/build/outputs/apk/release/app-release-unsigned.apk"
@@ -49,19 +50,15 @@ platform :android do
 
   desc "build the apk"
   lane :build do
-    gradle(task: "clean assembleDebug")
+    gradle(task: "bundleRelease")
+    # gradle(task: "clean assembleDebug")
     # gradle(task: "clean assembleRelease")
   end
 
-  desc "Deploy a new version to the Google Play"
-  lane :deploy do
-    # gradle(task: "clean assembleRelease")
-    # upload_to_play_store
-  end
+  desc "Deploy a new version to the Google Play - Alpha Track"
+    lane :deployToPlaystoreAlpha do
+      gradle(task: "bundleRelease")
 
-  desc "Deploy a new version to the Google Play - Alpha"
-    lane :deployToplay do
-      gradle(task: "clean assembleDebug")
       upload_to_google_play(
        track: "alpha",
       json_key: "/home/karthik_shetty_niveussolutions_c/prj-common-services-01-0c9b948542c2.json",