FROM alpine:latest RUN apk add --no-cache isync cron python3 ca-certificates bash su-exec tzdata # Copy configuration template and entrypoint COPY mbsyncrc.template /root/.mbsyncrc.template COPY entrypoint.sh /entrypoint.sh RUN chmod +x /entrypoint.sh # Create the Maildir directory RUN mkdir -p /Maildir ENTRYPOINT ["/entrypoint.sh"] CMD ["cron", "-f"]