FROM node:15.14.0-alpine3.12

RUN set -ex \
  && apk add --no-cache \
    g++ \
    make \
    python2 \
    unzip \
    wget

RUN set -ex \
  && wget https://github.com/hakimel/reveal.js/archive/refs/tags/4.1.0.zip \
  && unzip 4.1.0.zip

WORKDIR /reveal.js-4.1.0

RUN set -ex \
  && npm i

ENTRYPOINT npm start