Update Dockerfile

Dockerfile

@@ -11,7 +11,10 @@ RUN apt-get update && apt-get install -y \
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Set a writable directory for NLTK data
+# Create the nltk_data directory and set permissions
+RUN mkdir -p /code/nltk_data && chmod -R 777 /code/nltk_data
+
+# Set the NLTK_DATA environment variable to the created directory
 ENV NLTK_DATA=/code/nltk_data
 
 # Download punkt data for NLTK