FROM alpine:3.16 COPY tftp-hpa-5.2-r4.apk /tmp/ COPY packager-62fdf15d.rsa.pub /etc/apk/keys/ RUN apk add --no-cache /tmp/tftp-hpa-5.2-r4.apk && rm /tmp/tftp-hpa-5.2-r4.apk COPY remap.conf /etc/conf.d/ VOLUME /var/tftpboot EXPOSE 69/udp CMD ["sh", "-c", "busybox syslogd -n -O /dev/stdout & in.tftpd -Lvvv --secure /var/tftpboot -m /etc/conf.d/remap.conf"]