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FROM alpine
ARG VERSION
LABEL com.example.vendor="LakeDrops" \
maintainer="juergen.haas@lakedrops.com" \
version="${VERSION}" \
description="An image for Unlighthouse, credit to https://github.com/indykoning/unlighthouse-docker from where we grabbed the idea."
ARG VERSION
RUN apk add --no-cache \
chromium \
nss \
freetype \
harfbuzz \
ca-certificates \
ttf-freefont
RUN apk add nodejs npm yarn; \
npm install -g unlighthouse@${VERSION}
EXPOSE 5678
# Tell Puppeteer to skip installing Chrome. We'll be using the installed package.
ENV PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium-browser
ENV SITE="http://localhost"
RUN chown root:root /usr/lib/chromium/chrome-sandbox && \
chmod 4755 /usr/lib/chromium/chrome-sandbox
# Add user so we don't need --no-sandbox.
RUN addgroup -S unlighthouse && adduser -S -G unlighthouse unlighthouse \
&& mkdir -p /home/unlighthouse/Downloads /app \
&& chown -R unlighthouse:unlighthouse /home/unlighthouse \
&& chown -R unlighthouse:unlighthouse /app
# Run everything after as non-privileged user.
USER unlighthouse
WORKDIR /home/unlighthouse
ADD unlighthouse.config.ts unlighthouse.config.ts
ENTRYPOINT npx unlighthouse --site ${SITE}