FROM python:3.8.10-slim

WORKDIR /app

# install linux package dependencies
RUN apt-get -y update

# can copy files only from current working directory where docker builds
# cannot copy files from arbitrary directories

COPY ./requirements.txt .

RUN pip install --no-cache-dir -r requirements.txt

# User
RUN useradd -m -u 1000 user
USER user
ENV HOME /home/user
ENV PATH $HOME/.local/bin:$PATH

WORKDIR $HOME
RUN mkdir app
WORKDIR $HOME/app

COPY ./frontend.py $HOME/app

EXPOSE 8501

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