add punkt

Dockerfile

@@ -9,9 +9,16 @@ COPY pyproject.toml poetry.lock ./
 RUN poetry config virtualenvs.create false && \
     poetry install --no-dev
 
-RUN apt update && apt install libmagic1 -y
+RUN apt update && apt install libmagic1 curl unzip -y
 RUN poetry add python-magic
 
+RUN curl https://raw.githubusercontent.com/nltk/nltk_data/gh-pages/packages/tokenizers/punkt.zip --output punkt.zip
+RUN mkdir nltk_data
+RUN mkdir -p /nltk_data/tokenizers/
+RUN unzip punkt.zip
+RUN mv punkt/ /nltk_data/tokenizers/
+RUN rm punkt.zip
+
 COPY . .
 
 EXPOSE 8000