Node.js 20 multi-stage (build + runtime)

dockerfile · Node.js

Build TypeScript/webpack puis copie uniquement dist/ dans une image Alpine minimale.

node typescript multi-stage alpine

# syntax=docker/dockerfile:1.6

FROM node:20-alpine AS deps
WORKDIR /app
COPY package.json package-lock.json* ./
RUN npm ci

FROM node:20-alpine AS build
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build && npm prune --production

FROM node:20-alpine AS runtime
WORKDIR /app
ENV NODE_ENV=production
COPY --from=build /app/dist ./dist
COPY --from=build /app/node_modules ./node_modules
COPY package.json .
USER node
EXPOSE 3000
CMD ["node", "dist/server.js"]