tsiry-sandratraina.com
Simple script and config (type-safe) for building custom Linux kernels for Firecracker MicroVMs
feat: add Docker support and update README for Docker usage
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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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bison \
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libncurses5-dev \
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libssl-dev \
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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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ENTRYPOINT ["./build.ts"]
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README.md
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README.md
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-1
build.ts
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-1
build.ts
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#!/usr/bin/env -S deno run --allow-run --allow-read --allow-write --allow-env --allow-net
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import _ from "@es-toolkit/es-toolkit/compat";
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import chalk from "chalk";
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import cfg from "./default-config.ts";
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···
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console.log(`Building vmlinux for Linux kernel ${chalk.cyan(NUM)}`);
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const hasAptGet = await runQuiet(["which", "apt-get"]);
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const hasSudo = await runQuiet(["which", "sudo"]);
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if (hasAptGet) {
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try {
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await run([
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"sudo",
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..._.compact([hasSudo ? "sudo" : null]),
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"apt-get",
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"install",
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"-y",
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deno.json
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deno.json
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"build": "deno compile --allow-net --allow-read --allow-write --allow-env -o vmlinux-builder ./build.ts"
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},
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"imports": {
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"@es-toolkit/es-toolkit": "jsr:@es-toolkit/es-toolkit@^1.41.0",
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"@std/assert": "jsr:@std/assert@^1.0.15",
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"@std/toml": "jsr:@std/toml@^1.0.11",
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"@zod/zod": "jsr:@zod/zod@^4.1.12",
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deno.lock
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deno.lock
···
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{
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"version": "5",
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"specifiers": {
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"jsr:@es-toolkit/es-toolkit@^1.41.0": "1.41.0",
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"jsr:@std/assert@^1.0.15": "1.0.15",
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"jsr:@std/collections@^1.1.3": "1.1.3",
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"jsr:@std/internal@^1.0.12": "1.0.12",
···
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"npm:chalk@^5.6.2": "5.6.2"
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},
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"jsr": {
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"@es-toolkit/es-toolkit@1.41.0": {
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"integrity": "4df54a18e80b869880cee8a8a9ff7a5e1c424a9fd0916dccd38d34686f110071"
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},
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"@std/assert@1.0.15": {
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"integrity": "d64018e951dbdfab9777335ecdb000c0b4e3df036984083be219ce5941e4703b",
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"dependencies": [
···
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},
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"workspace": {
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"dependencies": [
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"jsr:@es-toolkit/es-toolkit@^1.41.0",
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"jsr:@std/assert@^1.0.15",
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"jsr:@std/toml@^1.0.11",
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"jsr:@zod/zod@^4.1.12",