chore: signing config

.gitignore

@@ -61,3 +61,7 @@ yarn-error.log
 
 # Temporary files created by Metro to check the health of the file watcher
 .metro-health-check*
+
+
+# android keystore credentials
+android/keystore.properties

android/app/build.gradle

@@ -1,6 +1,5 @@
 apply plugin: "com.android.application"
 apply plugin: "com.facebook.react"
-apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-android'
 
 import com.android.build.OutputFile
@@ -88,6 +87,13 @@ def reactNativeArchitectures() {
     return value ? value.split(",") : ["armeabi-v7a", "x86", "x86_64", "arm64-v8a"]
 }
 
+/**
+ * Signing credentials load
+ */
+def keystorePropertiesFile = rootProject.file("keystore.properties")
+def keystoreProperties = new Properties()
+keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+
 android {
     ndkVersion rootProject.ext.ndkVersion
     compileSdkVersion rootProject.ext.compileSdkVersion
@@ -111,16 +117,16 @@ android {
     }
     signingConfigs {
         debug {
-            storeFile file('debug.keystore')
-            storePassword ''
-            keyAlias ''
-            keyPassword ''
+            storeFile file(keystoreProperties['storeFile'])
+            storePassword keystoreProperties['storePassword']
+            keyAlias keystoreProperties['keyAlias']
+            keyPassword keystoreProperties['keyPassword']
         }
         release {
-            storeFile file('key.keystore')
-            storePassword ''
-            keyAlias ''
-            keyPassword ''
+            storeFile file(keystoreProperties['storeFile'])
+            storePassword keystoreProperties['storePassword']
+            keyAlias keystoreProperties['keyAlias']
+            keyPassword keystoreProperties['keyPassword']
         }
     }
     buildTypes {
@@ -128,9 +134,7 @@ android {
             signingConfig signingConfigs.debug
         }
         release {
-            // Caution! In production, you need to generate your own keystore file.
-            // see https://reactnative.dev/docs/signed-apk-android.
-            signingConfig signingConfigs.debug
+            signingConfig signingConfigs.release
             minifyEnabled enableProguardInReleaseBuilds
             proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
         }