fix:권한 부여

Author: dooongdaeng

back/Dockerfile

@@ -13,6 +13,8 @@ COPY settings.gradle.kts .
 COPY gradle gradle
 COPY gradlew .
 
+RUN chmod +x gradlew
+
 # 의존성 다운로드 (캐시 활용)
 RUN ./gradlew dependencies --no-daemon