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FROM ubuntu:20.04
LABEL version="1.0"
RUN apt-get update
RUN apt-get install -y curl sudo
RUN curl -sL https://deb.nodesource.com/setup_16.x | sudo -E bash -
RUN apt-get install -y nodejs
# set working directory to /app
WORKDIR /app
# copy index.js from current directory into the container at /app
COPY . /app
# install need packages specified in package.json
RUN npm install
# This allows Heroku bind its PORT the Apps port
# since Heroku needs to use its own PORT before the App can be made accessible to the World
EXPOSE $PORT
# run app when container launches
CMD ["node", "app.js"] |