| # from official image | |
| FROM ubuntu:18.04 | |
| # key-value pairs | |
| # allow more than one | |
| # | |
| LABEL version="1.0" | |
| # install package | |
| 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 | |
| # expose port 7860 for acessing the app | |
| EXPOSE 7860 | |
| # 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"] |