Initial commit

docker/itb.Dockerfile

@@ -0,0 +1,24 @@
+ARG TAG=dev
+ARG DOCKER_IMAGE_ROOT=monok8s
+FROM ${DOCKER_IMAGE_ROOT}/kernel-build:${TAG} AS kernel
+FROM ${DOCKER_IMAGE_ROOT}/fit-build:${TAG} AS fit
+
+FROM --platform=linux/amd64 ${DOCKER_IMAGE_ROOT}/build-base:${TAG} AS build
+
+ARG DTB_TARGET
+
+RUN mkdir /image
+WORKDIR /image
+
+COPY --from=kernel /out/kernel/Image.gz ./Image.gz
+COPY --from=kernel /out/kernel/System.map ./
+COPY --from=kernel /out/kernel/.config ./
+COPY --from=fit /out/initramfs.cpio.gz ./
+COPY --from=kernel /out/${DTB_TARGET} ./
+
+COPY ./board.its ./
+
+RUN mkimage -f board.its board.itb
+
+FROM scratch
+COPY --from=build /image/board.itb /board.itb