diff --git a/sample/android/.gitignore b/sample/android/.gitignore
index 0a741cb4..6fd19d60 100644
--- a/sample/android/.gitignore
+++ b/sample/android/.gitignore
@@ -8,4 +8,5 @@ GeneratedPluginRegistrant.java
 
 # Remember to never publicly share your keystore.
 # See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app
-key.properties
+signing.properties
+config/release.keystore
diff --git a/sample/android/app/build.gradle b/sample/android/app/build.gradle
index 7d71e363..41cc0787 100644
--- a/sample/android/app/build.gradle
+++ b/sample/android/app/build.gradle
@@ -6,6 +6,12 @@ if (localPropertiesFile.exists()) {
     }
 }
 
+def keystoreProperties = new Properties()
+def keystorePropertiesFile = rootProject.file('signing.properties')
+if (keystorePropertiesFile.exists()) {
+    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+}
+
 def flutterRoot = localProperties.getProperty('flutter.sdk')
 if (flutterRoot == null) {
     throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
@@ -26,10 +32,10 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 project.ext.envConfigFiles = [
-        stagingdebug: ".env.staging",
-        stagingrelease: ".env.staging",
-        productiondebug: ".env",
-        productionrelease: ".env"
+    stagingdebug     : ".env.staging",
+    stagingrelease   : ".env.staging",
+    productiondebug  : ".env",
+    productionrelease: ".env"
 ]
 
 apply from: project(':flutter_config').projectDir.getPath() + "/dotenv.gradle"
@@ -61,10 +67,32 @@ android {
         resValue "string", "build_config_package", "co.nimblehq.flutter.template"
     }
 
+    signingConfigs {
+        release {
+            storeFile file('../config/release.keystore')
+            storePassword keystoreProperties['KEYSTORE_PASSWORD']
+            keyAlias keystoreProperties['KEY_ALIAS']
+            keyPassword keystoreProperties['KEY_PASSWORD']
+        }
+
+        debug {
+            storeFile file('../config/debug.keystore')
+            storePassword 'android'
+            keyAlias 'androiddebugkey'
+            keyPassword 'android'
+        }
+    }
+
     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.release
+            minifyEnabled true
+            shrinkResources true
+            debuggable false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+
+        debug {
             signingConfig signingConfigs.debug
         }
     }
diff --git a/sample/android/config/debug.keystore b/sample/android/config/debug.keystore
new file mode 100644
index 00000000..cc8985c6
Binary files /dev/null and b/sample/android/config/debug.keystore differ
diff --git a/sample/assets/colors/colors.xml b/sample/assets/colors/colors.xml
deleted file mode 100644
index 29ab3010..00000000
--- a/sample/assets/colors/colors.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <color name="nimble_primary_blue">#201547</color>
-</resources>
diff --git a/sample/lib/main.dart b/sample/lib/main.dart
index 5c3a518f..3b14fac4 100644
--- a/sample/lib/main.dart
+++ b/sample/lib/main.dart
@@ -6,7 +6,7 @@ import 'package:go_router/go_router.dart';
 import 'package:package_info_plus/package_info_plus.dart';
 import 'package:sample/di/di.dart';
 import 'package:sample/gen/assets.gen.dart';
-import 'package:sample/gen/colors.gen.dart';
+import 'package:sample/resources/app_colors.dart';
 import 'package:sample/usecases/user/get_users_use_case.dart';
 
 import 'home_view_model.dart';
@@ -117,7 +117,7 @@ class HomeScreenState extends ConsumerState<HomeScreen> {
             Text(
               FlutterConfig.get('SECRET'),
               style: const TextStyle(
-                color: ColorName.nimblePrimaryBlue,
+                color: AppColors.nimblePrimaryBlue,
                 fontSize: 24,
               ),
             ),
diff --git a/sample/lib/resources/app_colors.dart b/sample/lib/resources/app_colors.dart
new file mode 100644
index 00000000..267e483d
--- /dev/null
+++ b/sample/lib/resources/app_colors.dart
@@ -0,0 +1,5 @@
+import 'package:flutter/material.dart';
+
+class AppColors {
+  static const Color nimblePrimaryBlue = Color(0xFF201547);
+}
diff --git a/sample/pubspec.yaml b/sample/pubspec.yaml
index bc06b707..59e6ca74 100644
--- a/sample/pubspec.yaml
+++ b/sample/pubspec.yaml
@@ -95,7 +95,3 @@ flutter:
 flutter_gen:
   integrations:
     flutter_svg: true
-
-  colors:
-    inputs:
-      - assets/colors/colors.xml