jzzliuandClaude Opus 5.5
c0b624554e
- next.config: output "standalone" for a self-contained server bundle - Dockerfile: multi-stage build that runs as the node user, read-only-rootfs friendly (Next cache symlinked to /tmp), with a healthcheck - README: document deploying to playground.jun-liu.net Co-Authored-By: Claude Opus 5.5 <[email protected]>
32 lines
1.1 KiB
Docker
32 lines
1.1 KiB
Docker
# Production image. Designed for a hardened runtime: read-only root filesystem,
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# a tmpfs at /tmp, no Linux capabilities, and a reverse proxy in front.
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FROM node:22-bookworm-slim AS deps
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WORKDIR /app
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COPY package.json package-lock.json ./
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RUN npm ci --no-audit --no-fund
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FROM node:22-bookworm-slim AS build
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WORKDIR /app
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ENV NEXT_TELEMETRY_DISABLED=1
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COPY --from=deps /app/node_modules ./node_modules
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COPY . .
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RUN mkdir -p public && npm run build
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FROM node:22-bookworm-slim AS runtime
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WORKDIR /app
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ENV NODE_ENV=production \
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NEXT_TELEMETRY_DISABLED=1 \
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PORT=3000 \
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HOSTNAME=0.0.0.0
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COPY --from=build --chown=node:node /app/.next/standalone ./
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COPY --from=build --chown=node:node /app/.next/static ./.next/static
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COPY --from=build --chown=node:node /app/public ./public
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# The root filesystem is read-only at runtime, so Next's cache goes to the /tmp tmpfs.
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RUN rm -rf .next/cache && ln -s /tmp/next-cache .next/cache
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USER node
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EXPOSE 3000
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HEALTHCHECK --interval=30s --timeout=5s --start-period=10s \
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CMD node -e "fetch('http://127.0.0.1:3000/').then(r=>process.exit(r.ok?0:1)).catch(()=>process.exit(1))"
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CMD ["node", "server.js"]
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