diff --git a/PRIVACY.md b/PRIVACY.md
index 4031c5d..4e0eeb5 100644
--- a/PRIVACY.md
+++ b/PRIVACY.md
@@ -26,11 +26,11 @@ This app does not include any analytics, tracking, or advertising SDKs. No data
 
 ## Open Source
 
-The complete source code is available at: https://github.com/USER/android-tether-api
+The complete source code is available at: https://somegit.dev/anonfunc/android-tether-api
 
 ## Contact
 
-For questions about this privacy policy, open an issue on the GitHub repository.
+For questions about this privacy policy, open an issue on the repository.
 
 ---
 
diff --git a/justfile b/justfile
index c0c6e47..048222a 100644
--- a/justfile
+++ b/justfile
@@ -8,8 +8,14 @@ gradle_cache := env_var_or_default("GRADLE_CACHE", justfile_directory() + "/.gra
 default:
     @just --list
 
+# Ensure build directories exist with correct permissions
+[private]
+setup-dirs:
+    @mkdir -p {{gradle_cache}} .gradle .kotlin build
+    @chmod 777 {{gradle_cache}} .gradle .kotlin build 2>/dev/null || true
+
 # Build debug APK
-build:
+build: setup-dirs
     docker run --rm \
         -v {{justfile_directory()}}:/project \
         -v {{gradle_cache}}:/gradle-cache \
@@ -19,27 +25,38 @@ build:
         sh -c './gradlew assembleDebug --no-daemon && chown -R $(stat -c %u:%g /project) /project/.gradle /project/.kotlin /project/app/build 2>/dev/null || true'
     @echo "APK: app/build/outputs/apk/debug/app-debug.apk"
 
-# Build release APK (requires keystore and env vars)
-release:
+# Build release bundle for Play Store (prompts for keystore password)
+release: setup-dirs
+    #!/usr/bin/env bash
+    set -euo pipefail
+    read -s -p "Keystore password: " KEYSTORE_PASSWORD && echo
+    read -p "Key alias [release]: " KEY_ALIAS
+    KEY_ALIAS=${KEY_ALIAS:-release}
+    read -s -p "Key password (enter for same as keystore): " KEY_PASSWORD && echo
+    KEY_PASSWORD=${KEY_PASSWORD:-$KEYSTORE_PASSWORD}
     docker run --rm \
         -v {{justfile_directory()}}:/project \
         -v {{gradle_cache}}:/gradle-cache \
         -e GRADLE_USER_HOME=/gradle-cache \
-        -e KEYSTORE_PASSWORD \
-        -e KEY_ALIAS \
-        -e KEY_PASSWORD \
+        -e KEYSTORE_PASSWORD="$KEYSTORE_PASSWORD" \
+        -e KEY_ALIAS="$KEY_ALIAS" \
+        -e KEY_PASSWORD="$KEY_PASSWORD" \
         -w /project \
         {{android_image}} \
-        sh -c './gradlew assembleRelease --no-daemon && chown -R $(stat -c %u:%g /project) /project/.gradle /project/.kotlin /project/app/build 2>/dev/null || true'
-    @echo "APK: app/build/outputs/apk/release/app-release.apk"
+        sh -c './gradlew bundleRelease --no-daemon && chown -R $(stat -c %u:%g /project) /project/.gradle /project/.kotlin /project/app/build 2>/dev/null || true'
+    echo "Bundle: app/build/outputs/bundle/release/app-release.aab"
 
 # Clean build artifacts
 clean:
-    rm -rf app/build build .gradle .kotlin
+    docker run --rm -u root \
+        -v {{justfile_directory()}}:/project \
+        -w /project \
+        {{android_image}} \
+        rm -rf app/build build .gradle .kotlin
     @echo "Cleaned"
 
 # Run gradle tasks
-gradle *ARGS:
+gradle *ARGS: setup-dirs
     docker run --rm \
         -v {{justfile_directory()}}:/project \
         -v {{gradle_cache}}:/gradle-cache \