Dockerfile

FROM python:3.11

# Create a non-root user
RUN useradd -m -u 1000 user
RUN chown -R user:user $HOME
USER user

# Set environment variables
ENV HOME=/home/user
ENV PATH=$HOME/.local/bin:$PATH
ENV NLTK_DATA=$HOME/nltk_data
ENV PYTHONUSERBASE=$HOME/.local

WORKDIR $HOME
RUN mkdir -p app
RUN mkdir -p $NLTK_DATA

# Install dependencies
COPY ./requirements.txt $HOME/app/requirements.txt
RUN pip3 install --no-cache-dir -r $HOME/app/requirements.txt

COPY . $HOME/app
RUN python3 -c "import nltk; nltk.download('stopwords', download_dir='$NLTK_DATA')"

EXPOSE 8501

WORKDIR $HOME/app

CMD streamlit run app.py \
    --server.headless true \
    --server.enableCORS false \
    --server.enableXsrfProtection false \
    --server.fileWatcherType none