51 lines
1.5 KiB
Docker
51 lines
1.5 KiB
Docker
# ------------------------------------------------------------------------
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from rust:1.79.0-alpine3.20 as rust
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run apk add --no-cache musl-dev # pkgconfig cryptsetup-dev lvm2-dev clang-dev clang-static
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workdir /src
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copy Cargo.* .
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copy src src
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run --mount=type=cache,id=novit-rs,target=/usr/local/cargo/registry \
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--mount=type=cache,id=novit-rs-target,sharing=private,target=/src/target \
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cargo build --release && cp target/release/init / \
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&& strip /init
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# ------------------------------------------------------------------------
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from golang:1.22.4-alpine3.20 as build
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workdir /src
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copy . .
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run \
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--mount=type=cache,id=gomod,target=/go/pkg/mod \
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--mount=type=cache,id=gobuild,target=/root/.cache/go-build \
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go test ./... \
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&& go build -o /go/bin/init -trimpath .
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# ------------------------------------------------------------------------
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from alpine:3.20.0 as initrd
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run apk add --no-cache xz
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workdir /layer
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run . /etc/os-release \
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&& wget -O- https://dl-cdn.alpinelinux.org/alpine/v${VERSION_ID%.*}/releases/x86_64/alpine-minirootfs-${VERSION_ID}-x86_64.tar.gz |tar zxv
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run apk add --no-cache -p . musl coreutils lvm2 lvm2-extra lvm2-dmeventd udev cryptsetup e2fsprogs btrfs-progs lsblk
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run rm -rf usr/share/apk var/cache/apk
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#copy --from=build /go/bin/init .
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copy --from=rust /init /layer/init
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# check viability
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run chroot . /init hello
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run find |cpio -H newc -o >/initrd
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# ------------------------------------------------------------------------
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from alpine:3.20.0
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copy --from=initrd /initrd /
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entrypoint ["base64","/initrd"]
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