FROM resin/raspberrypi3-alpine RUN [ "cross-build-start" ] RUN set -x \ # Install ngrok (latest official stable from https://ngrok.com/download). && apk add --no-cache curl \ && curl -Lo /ngrok.zip https://bin.equinox.io/c/4VmDzA7iaHb/ngrok-stable-linux-arm.zip \ && unzip -o /ngrok.zip -d /bin \ && rm -f /ngrok.zip \ # Create non-root user. && adduser -h /home/ngrok -D -u 6737 ngrok # Add config script. COPY --chown=ngrok ngrok.yml /home/ngrok/.ngrok2/ COPY entrypoint.sh / RUN [ "cross-build-end" ] USER ngrok ENV USER=ngrok EXPOSE 4040 CMD ["/entrypoint.sh"]