1  FROM alpine:3.19
2  RUN apk --no-cache add nushell
3  COPY bitcoin-fee-notifier.nu /etc/periodic/hourly/
4  ARG NTFY_TOPIC
5  ENV NTFY_TOPIC=${NTFY_TOPIC}
6  ENV CHEAP_FEE 15
7  ENV RISING_TRIGGER 1.5
8  ENV NU_LOG_LEVEL DEBUG
9  ENTRYPOINT ["crond", "-f"]