corrected dockerfile again

Dockerfile

@@ -5,8 +5,11 @@ COPY backend/requirements.txt backend/requirements-convert.txt ./
 RUN pip install --no-cache-dir -r requirements.txt \
     && pip install --no-cache-dir -r requirements-convert.txt --extra-index-url https://download.pytorch.org/whl/cpu
 
-RUN pip install --no-cache-dir patchelf \
-    && find / -name "libctranslate2*.so*" -exec patchelf --clear-execstack {} \; 2>/dev/null || true
+RUN apt-get update && apt-get install -y --no-install-recommends patchelf \
+    && SO_FILES=$(find / -name "libctranslate2*.so*" 2>/dev/null) \
+    && echo "Found CTranslate2 .so files: $SO_FILES" \
+    && for f in $SO_FILES; do patchelf --clear-execstack "$f" && echo "Patched: $f"; done \
+    && rm -rf /var/lib/apt/lists/*
 
 COPY . .
 COPY entrypoint.sh .