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@ -3,17 +3,27 @@ FROM debian:buster |
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RUN apt update |
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RUN apt install -y make debootstrap supervisor isc-dhcp-server tftpd-hpa busybox squashfs-tools |
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# Builds Linux for cloning image. The Makefile in linux/ would download base |
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# debian system to linux/build/cache itself, but to speed up rebuilding this |
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# Docker container the download is run separately to avoid repeating it in |
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# future builds. |
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# Downloads base Debian 10 to /linux/build/cache. The Makefile in linux/ would |
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# download base debian system to linux/build/cache itself, but to speed up |
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# rebuilding this Docker container the download is run separately to avoid |
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# repeating it in future builds. |
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ADD linux /linux |
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RUN mkdir -p linux/build && debootstrap buster linux/build/cache |
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# Copies src/tftpboot directory to /tftpboot |
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ADD src/tftpboot /tftpboot |
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# Downloads Syslinux and moves ldlinux.c32 and pxelinux.0 files to /tftpboot |
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RUN wget https://mirrors.edge.kernel.org/pub/linux/utils/boot/syslinux/syslinux-6.03.tar.gz && \ |
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tar -xzvf syslinux-6.03.tar.gz && \ |
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cp syslinux-6.03/bios/core/pxelinux.0 /tftpboot/pxelinux.0 && \ |
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cp syslinux-6.03/bios/com32/elflink/ldlinux/ldlinux.c32 /tftpboot/ldlinux.c32 |
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# Builds Linux with its Makefile |
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RUN cd /linux && make |
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# Creates and populates /tftpboot directory. Files stored there will be served |
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# by TFTP and HTTP (on port 8014). |
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ADD src/tftpboot /tftpboot |
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RUN cp /linux/build/rootfs/initrd.img /tftpboot/initrd.img && \ |
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cp /linux/build/rootfs/vmlinuz /tftpboot/vmlinuz && \ |
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mksquashfs /linux/build/rootfs /tftpboot/root.squashfs |
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