FROM alpine:3.20

RUN apk add --no-cache curl bash

WORKDIR /app

COPY update-dynv6.sh /app/update-dynv6.sh
RUN chmod +x /app/update-dynv6.sh

# Run once on startup, then every 5 minutes in a loop
CMD /app/update-dynv6.sh && while true; do sleep 300; /app/update-dynv6.sh; done