Dockerfile

FROM node:alpine as base

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# https://github.com/puppeteer/puppeteer/blob/main/docs/troubleshooting.md#running-on-alpine
# Installs latest Chromium (100) package.
RUN apk add --no-cache chromium

# Tell Puppeteer to skip installing Chrome. We'll be using the installed package.
ENV PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium-browser

# # Puppeteer v13.5.0 works with Chromium 100.
# RUN yarn add puppeteer@13.5.0

# Add user so we don't need --no-sandbox.
RUN addgroup -S pptruser && adduser -S -G pptruser pptruser \
    && mkdir -p /home/pptruser/Downloads /app \
    && chown -R pptruser:pptruser /home/pptruser \
    && chown -R pptruser:pptruser /app

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WORKDIR /app

COPY package.json package-lock.json ./

RUN rm -rf node_modules && npm install --frozen-lockfile && npm cache clean --force

COPY . .

# Run everything after as non-privileged user.
USER pptruser

CMD ["node", "./app.js"]