Firecracker Kernel builder

Container to build custom kernel drives for booting Firecracker microVMs.

Build Firecracker kernel using custom config

Mount .config file for kernel customisation into /workspace/.config inside the container and run

Build builder docker image

docker build -t anyfiddle/firecracker-rootfs-builder .

docker run \
    -v $(pwd)/output:/output \
    -v $(pwd)/kernel:/workspace/kernel \
    -v $(pwd)/.config:/workspace/.config \
    anyfiddle/firecracker-rootfs-builder

The vmlinux.bin will be created in ./output folder which can be used as the kernel for starting Firecracker VMs