mirror of
https://github.com/rennf93/roboco.git
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67 lines
2.5 KiB
Docker
67 lines
2.5 KiB
Docker
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# remotion-renderer sidecar — untars a motion/ composition source, bundles
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# it, renders one MP4 cut with Remotion, and streams the bytes back.
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#
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# Debian (not Alpine): musl slows renders past 10s and has known Chrome
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# Headless Shell compatibility issues (verified against Remotion's own
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# Docker guidance). FFmpeg is bundled inside @remotion/renderer since v4 —
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# no system ffmpeg package here.
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#
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# Build context is the project root, like every other service under
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# docker/ — paths below are relative to the repo root.
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FROM node:22-bookworm-slim
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# Chrome/Puppeteer runtime libraries — Remotion's documented Debian
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# dependency list for headless rendering. A missing one surfaces as an
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# opaque Puppeteer "Target closed" crash, not a clear missing-library error.
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RUN apt-get update && apt-get install -y --no-install-recommends \
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libnss3 \
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libdbus-1-3 \
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libatk1.0-0 \
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libgbm-dev \
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libasound2 \
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libxrandr2 \
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libxkbcommon-dev \
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libxfixes3 \
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libxcomposite1 \
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libxdamage1 \
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libatk-bridge2.0-0 \
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libpango-1.0-0 \
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libcairo2 \
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libcups2 \
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ca-certificates \
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&& rm -rf /var/lib/apt/lists/*
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# Activate the exact version remotion-renderer/package.json pins
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# (packageManager: pnpm@11.10.0) rather than trusting corepack's bundled
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# default — a future node:22-alpine shipping a different pnpm would silently
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# change the build's package manager.
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RUN corepack enable pnpm && corepack prepare pnpm@11.10.0 --activate
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WORKDIR /app
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# pnpm 11 prompts for confirmation on modules-purge unless told this is CI
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# (same gotcha as docker/panel.Dockerfile).
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ENV CI=true
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# Install dependencies first (layer caching). Unlike the panel image, every
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# dependency here runs at request time — bundle()/renderMedia() execute
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# live per /render call — so there's no separate build output to discard
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# and no multi-stage split.
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# pnpm-workspace.yaml carries the `allowBuilds: esbuild: true` approval —
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# without it pnpm 11 hard-errors with [ERR_PNPM_IGNORED_BUILDS] (exit 1)
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# because esbuild's postinstall is unapproved, breaking the image build.
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COPY remotion-renderer/package.json remotion-renderer/pnpm-lock.yaml remotion-renderer/pnpm-workspace.yaml ./
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RUN pnpm install --frozen-lockfile
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# Pre-warm Chrome Headless Shell at build time so the container's first
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# real render isn't also the first time it downloads a browser.
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COPY remotion-renderer/ensure-browser.mjs ./
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RUN node ensure-browser.mjs
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COPY remotion-renderer/server.js remotion-renderer/render.js ./
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EXPOSE 3001
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ENV PORT=3001
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CMD ["node", "server.js"]
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