FROM debian:buster

RUN apt update
RUN apt install -y make debootstrap supervisor isc-dhcp-server tftpd-hpa busybox squashfs-tools

# Linux image
ADD linux /linux
RUN mkdir -p linux/build && debootstrap buster linux/build/cache
RUN cd /linux && make

# Files to be served
ADD src/tftpboot /tftpboot
RUN cp /linux/build/rootfs/initrd.img /tftpboot/initrd.img && \
	cp /linux/build/rootfs/vmlinuz /tftpboot/vmlinuz && \
	mksquashfs /linux/build/rootfs /tftpboot/root.squashfs

# Supervisor
COPY src/supervisor.conf /supervisor.conf

# DHCP server
RUN mkdir -p /var/lib/dhcp && touch /var/lib/dhcp/dhcpd.leases
COPY src/dhcpd.conf /etc/dhcp/dhcpd.conf

COPY src/run.sh /run.sh
RUN chmod +x /run.sh
ENV INTERFACE=eth0
CMD ["/run.sh"]