tsiry-sandratraina.com
Simple script and config (type-safe) for building custom Linux kernels for Firecracker MicroVMs
refactor: streamline Dockerfile by consolidating build steps and improving layer caching
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Dockerfile
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Dockerfile
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FROM denoland/deno:latest
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RUN apt-get update
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RUN apt-get install -y \
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git \
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build-essential \
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flex \
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gcc \
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bc \
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libelf-dev \
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pahole
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WORKDIR /app
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COPY deno.json deno.json
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COPY deno.lock deno.lock
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RUN deno install
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COPY . .
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RUN deno compile -A -o vmlinux-builder ./build.ts
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RUN mv vmlinux-builder /usr/local/bin/vmlinux-builder
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ENTRYPOINT ["vmlinux-builder"]
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FROM denoland/deno:latest AS builder
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WORKDIR /app
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# Copy only the files needed for installing dependencies
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COPY deno.json deno.lock ./
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RUN deno install
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COPY . .
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RUN deno compile -A -o vmlinux-builder ./build.ts
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FROM ubuntu:latest
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RUN apt-get update && apt-get install -y \
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git \
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build-essential \
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flex \
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gcc \
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bc \
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libelf-dev \
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pahole \
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&& rm -rf /var/lib/apt/lists/*
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COPY --from=builder /app/vmlinux-builder /usr/local/bin/vmlinux-builder
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ENTRYPOINT ["vmlinux-builder"]