# From https://github.com/containrrr/watchtower/blob/main/dockerfiles/Dockerfile.self-contained FROM containrrr/watchtower:1.4.0 as watchtower FROM alpine:3.15.0 RUN apk add --update --no-cache bash COPY --from=watchtower /watchtower / COPY start.sh / RUN chmod +x /start.sh USER root ENTRYPOINT ["/start.sh"]