feat: enhance APK build process with keystore handling and fallback options

.gitea/workflows/build-apk.yml

@@ -34,12 +34,42 @@ jobs:
       - name: Sync Capacitor
         run: npx cap sync android
 
-      - name: Build APK
-        working-directory: android
-        run: ./gradlew assembleDebug
+      - name: Decode keystore
+        if: ${{ secrets.KEYSTORE_BASE64 != '' }}
+        run: |
+          echo "${{ secrets.KEYSTORE_BASE64 }}" | base64 -d > android/impostor.keystore
 
-      - name: Upload APK
-        uses: actions/upload-artifact@v3
+      - name: Create keystore.properties
+        if: ${{ secrets.KEYSTORE_BASE64 != '' }}
+        run: |
+          cat > android/keystore.properties << EOF
+          storeFile=../impostor.keystore
+          storePassword=${{ secrets.KEYSTORE_PASSWORD }}
+          keyAlias=${{ secrets.KEY_ALIAS }}
+          keyPassword=${{ secrets.KEY_PASSWORD }}
+          EOF
+
+      - name: Build Release APK
+        if: ${{ secrets.KEYSTORE_BASE64 != '' }}
+        working-directory: android
+        run: ./gradlew assembleRelease --no-daemon
+
+      - name: Build Debug APK (fallback)
+        if: ${{ secrets.KEYSTORE_BASE64 == '' }}
+        working-directory: android
+        run: ./gradlew assembleDebug --no-daemon
+
+      - name: Upload Release APK
+        if: ${{ secrets.KEYSTORE_BASE64 != '' }}
+        uses: actions/upload-artifact@v4
+        with:
+          name: impostor-game-release
+          path: android/app/build/outputs/apk/release/app-release.apk
+          retention-days: 30
+
+      - name: Upload Debug APK (fallback)
+        if: ${{ secrets.KEYSTORE_BASE64 == '' }}
+        uses: actions/upload-artifact@v4
         with:
           name: impostor-game-debug
           path: android/app/build/outputs/apk/debug/app-debug.apk