diff --git a/android/app/build.gradle b/android/app/build.gradle
index 8f44683..62df9f0 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -23,6 +23,12 @@ if (flutterVersionName == null) {
     flutterVersionName = "1.0"
 }
 
+def keystoreProperties = new Properties()
+def keystorePropertiesFile = rootProject.file('key.properties')
+if (keystorePropertiesFile.exists()) {
+    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+}
+
 android {
     namespace = "com.example.cargo"
     compileSdk = flutter.compileSdkVersion
@@ -35,7 +41,7 @@ android {
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId = "com.example.cargo"
+        applicationId = "com.cargo66.com"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
         minSdk = flutter.minSdkVersion
@@ -43,12 +49,21 @@ android {
         versionCode = flutterVersionCode.toInteger()
         versionName = flutterVersionName
     }
+    
+    signingConfigs {
+        release {
+            keyAlias = keystoreProperties['keyAlias']
+            keyPassword = keystoreProperties['keyPassword']
+            storeFile = keystoreProperties['storeFile'] ? file(keystoreProperties['storeFile']) : null
+            storePassword = keystoreProperties['storePassword']
+        }
+    }
 
     buildTypes {
         release {
             // TODO: Add your own signing config for the release build.
             // Signing with the debug keys for now, so `flutter run --release` works.
-            signingConfig = signingConfigs.debug
+            signingConfig = signingConfigs.release
         }
     }
 }
diff --git a/android/app/upload-keystore.jks copy b/android/app/upload-keystore.jks copy
new file mode 100644
index 0000000..4f25909
Binary files /dev/null and b/android/app/upload-keystore.jks copy differ
diff --git a/android/key.properties copy b/android/key.properties copy
new file mode 100644
index 0000000..186b0e4
--- /dev/null
+++ b/android/key.properties copy	
@@ -0,0 +1,4 @@
+storePassword=cargo66
+keyPassword=cargo66
+keyAlias=upload
+storeFile=upload-keystore.jks
\ No newline at end of file