109 lines
4.4 KiB
Docker
109 lines
4.4 KiB
Docker
# ============================================================================
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# Production Backend Dockerfile — Multi-stage Build
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# Optimized from ~3.5GB down to ~800MB–1.2GB
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# ============================================================================
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# Stage 1 (builder): Full node:22-bookworm — install everything needed for building
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# Stage 2 (runtime): node:22-bookworm-slim — minimal runtime only
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# ============================================================================
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# --------------------------- Builder Stage -----------------------------------
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FROM node:22-bookworm AS builder
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ARG DEBIAN_MIRROR=mirrors.cloud.tencent.com
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ARG NPM_REGISTRY=https://registry.npmmirror.com
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# NOTE: Use HTTP (not HTTPS) for apt mirrors — OrbStack BuildKit cannot verify
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# TLS certs during build. Apt packages are GPG-signed so HTTP is safe.
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ENV DEBIAN_FRONTEND=noninteractive
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ENV NPM_CONFIG_REGISTRY=${NPM_REGISTRY}
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WORKDIR /app
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# --- System packages for building ---
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RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
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--mount=type=cache,target=/var/lib/apt,sharing=locked \
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sed -i "s|http://deb.debian.org/debian|http://${DEBIAN_MIRROR}/debian|g" /etc/apt/sources.list.d/debian.sources \
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&& sed -i "s|http://security.debian.org/debian-security|http://${DEBIAN_MIRROR}/debian-security|g" /etc/apt/sources.list.d/debian.sources \
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&& apt-get update \
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&& apt-get install -y --no-install-recommends \
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curl ca-certificates tzdata
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# --- Node dependencies (full, including devDeps for postinstall scripts) ---
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COPY apps/backend/package.json apps/backend/package-lock.json ./
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RUN --mount=type=cache,target=/root/.npm \
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npm ci
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# --- Playwright — install Chromium with system deps (builder has full apt) ---
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ENV PLAYWRIGHT_BROWSERS_PATH=/ms-playwright
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RUN --mount=type=cache,target=/ms-playwright-cache,sharing=locked \
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PLAYWRIGHT_BROWSERS_PATH=/ms-playwright-cache \
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PLAYWRIGHT_DOWNLOAD_HOST=https://npmmirror.com/mirrors/playwright/ \
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npx playwright install --with-deps chromium \
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&& cp -r /ms-playwright-cache /ms-playwright
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# --- Copy application source ---
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COPY apps/backend/ ./
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# --- Build application and prune devDependencies ---
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RUN npm run build \
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&& npm prune --omit=dev
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# --------------------------- Runtime Stage -----------------------------------
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FROM node:22-bookworm-slim AS runtime
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# HTTP mirrors — see builder note about OrbStack TLS
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ENV DEBIAN_FRONTEND=noninteractive
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ENV TZ=Asia/Shanghai
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ENV NODE_ENV=production
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ENV PLAYWRIGHT_BROWSERS_PATH=/ms-playwright
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ENV OCR_BASE_URL=http://ocr-worker:8100
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WORKDIR /app
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# --- Minimal runtime apt packages ---
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# - curl: health check (docker-compose uses `curl -fsS http://127.0.0.1:3000/health/ready`)
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# - ca-certificates: TLS for outbound HTTPS calls
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# - tzdata: timezone data for TZ=Asia/Shanghai
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# - Chromium runtime libs: minimal set for headless Chromium on slim
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#
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# NOTE: We do NOT switch to Tencent mirrors here because:
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# 1. slim image has no ca-certificates pre-installed
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# 2. Tencent mirrors redirect HTTP → HTTPS, which fails without ca-certificates (chicken-and-egg)
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# 3. Debian official HTTP mirrors (deb.debian.org) work without TLS verification
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# 4. Apt packages are GPG-signed, so HTTP is safe
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RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
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--mount=type=cache,target=/var/lib/apt,sharing=locked \
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apt-get update \
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&& apt-get install -y --no-install-recommends \
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curl ca-certificates tzdata \
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libnss3 libnspr4 libdbus-1-3 libatk1.0-0 libatk-bridge2.0-0 \
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libcups2 libdrm2 libxkbcommon0 libatspi2.0-0 libxcomposite1 \
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libxdamage1 libxfixes3 libxrandr2 libgbm1 libpango-1.0-0 \
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libcairo2 libasound2 \
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&& ln -snf /usr/share/zoneinfo/${TZ} /etc/localtime \
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&& echo ${TZ} > /etc/timezone \
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&& apt-get clean \
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&& rm -rf /var/lib/apt/lists/*
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# --- Copy artefacts from builder ---
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# Pruned node_modules (no devDeps)
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COPY --from=builder /app/node_modules ./node_modules
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# Compiled application
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COPY --from=builder /app/package.json ./package.json
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COPY --from=builder /app/dist ./dist
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COPY --from=builder /app/config ./config
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# Playwright browsers
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COPY --from=builder /ms-playwright /ms-playwright
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# --- Non-root user for security ---
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RUN groupadd -g 1001 appuser \
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&& useradd -m -u 1001 -g appuser appuser \
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&& mkdir -p /app/data /app/data/browser-sessions /app/data/redeem-screenshots \
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&& chown -R appuser:appuser /app/data /ms-playwright
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USER appuser
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EXPOSE 3000
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CMD ["npm", "run", "start"]
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