alpine node3 with python 3 and puppeteer ready

Dockerfile

FROM node:10-alpine

# Installs Python 3
RUN apk add --no-cache python3 && \
    python3 -m ensurepip && \
    rm -r /usr/lib/python*/ensurepip && \
    pip3 install --upgrade pip setuptools && \
    if [ ! -e /usr/bin/pip ]; then ln -s pip3 /usr/bin/pip ; fi && \
    if [[ ! -e /usr/bin/python ]]; then ln -sf /usr/bin/python3 /usr/bin/python; fi && \
    rm -r /root/.cache


# Installs latest Chromium (71) package.
RUN apk update && apk upgrade && \
    echo @edge http://nl.alpinelinux.org/alpine/edge/community >> /etc/apk/repositories && \
    echo @edge http://nl.alpinelinux.org/alpine/edge/main >> /etc/apk/repositories && \
    apk add --no-cache \
      chromium@edge \
      harfbuzz@edge \
      nss@edge

ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD true

RUN apk update
RUN apk add postgresql-dev gcc python3-dev musl-dev
RUN apk add --update py3-lxml