Dockerfile

FROM alpine:edge

RUN apk update
# Installs latest Chromium (89) package.
RUN apk add --no-cache \
      chromium \
      nss \
      freetype \
      harfbuzz \
      ca-certificates \
      ttf-freefont \
      nodejs \
      npm \
      yarn

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

# Puppeteer v6.0.0 works with Chromium 89.
RUN yarn add puppeteer@6.0.0

# 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


WORKDIR /usr/src/
COPY package*.json ./
ADD app ./app
ADD config ./config
RUN npm install
RUN chown -R pptruser:pptruser /usr/src/

EXPOSE 8080

# Run everything after as non-privileged user.
USER pptruser
CMD [ "npm", "start" ]