Update Dockerfile

Dockerfile

@@ -12,6 +12,7 @@ ENV XDG_CACHE_HOME=/tmp/.cache
 ENV SELENIUM_MANAGER_CACHE_DIR=/tmp/selenium
 ENV TMPDIR=/tmp
 
+RUN mkdir -p /app/downloaded_files && chmod -R 777 /app/downloaded_files
 RUN mkdir -p /tmp/.cache /tmp/selenium && chmod -R 777 /tmp/.cache /tmp/selenium
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt