Documentation
README
Docker Best Practices
Multi-Stage Build
FROM node:22-alpine AS deps
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci --only=production
FROM node:22-alpine AS build
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci
COPY . .
RUN npm run build
FROM node:22-alpine AS runtime
WORKDIR /app
RUN addgroup -g 1001 -S appgroup && adduser -S appuser -u 1001 -G appgroup
COPY --from=deps /app/node_modules ./node_modules
COPY --from=build /app/dist ./dist
COPY --from=build /app/package.json ./
USER appuser
EXPOSE 3000
HEALTHCHECK --interval=30s --timeout=3s CMD wget -qO- http://localhost:3000/healthz || exit 1
CMD ["node", "dist/server.js"]
Separate dependency installation from build steps. Final stage contains only runtime artifacts.
This is the opening of the README. Read the full README on GitHub.