Dockerfile

# Download base image ubuntu 18.04
FROM ubuntu:20.04

# LABEL about the custom image
LABEL maintainer="sur5an@yahoo.com"
LABEL version="0.1"
LABEL description="This is custom Docker Image for \
document notification - pi project."

# Install updates to base image
RUN \
  apt-get update -y \
  && apt-get install -y \
  && apt update -y \
  && apt -y upgrade

RUN \
    apt-get install vim -y

RUN echo "America/Los_Angeles" > /etc/timezone

RUN \
    apt-get install python3 -y \
    && apt-get install python3-pip -y \
    && apt-get install sqlite -y \
    && apt install ssmtp -y \
    && apt install net-tools -y \
    && DEBIAN_FRONTEND=noninteractive apt-get --no-install-recommends install tzdata -y

RUN \
    pip3 install slackclient \
    && pip3 install twilio

RUN dpkg-reconfigure -f noninteractive tzdata

RUN mkdir -p /var/notification/
COPY notification/*  /var/notification/
WORKDIR /var/notification/

CMD ["python3","listen.py"]
#CMD ["/bin/bash"]