bashintermediate
Dockerfile Multi-Stage Build
Multi-stage Dockerfile for Node.js with build, prune, and minimal production image layers.
bashPress ⌘/Ctrl + Shift + C to copy
# Dockerfile
FROM node:20-alpine AS base
WORKDIR /app
COPY package.json package-lock.json ./
# Install dependencies
FROM base AS deps
RUN npm ci --ignore-scripts
# Build application
FROM base AS build
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build
# Production dependencies only
FROM base AS prod-deps
RUN npm ci --omit=dev --ignore-scripts
# Final production image
FROM node:20-alpine AS runner
WORKDIR /app
RUN addgroup --system app && adduser --system --ingroup app app
COPY --from=prod-deps --chown=app:app /app/node_modules ./node_modules
COPY --from=build --chown=app:app /app/dist ./dist
COPY --from=build --chown=app:app /app/package.json ./
USER app
EXPOSE 3000
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
CMD wget --no-verbose --tries=1 --spider http://localhost:3000/health || exit 1
CMD ["node", "dist/server.js"]Sponsored
Docker Desktop — Container development made easy
Use Cases
- Optimized Docker images for production
- Reducing image size with multi-stage builds
- Secure containerized Node.js applications
Tags
Related Snippets
Similar patterns you can reuse in the same workflow.
bashintermediate
Docker Compose Multi-Service Setup
Docker Compose configuration for a Node.js app with PostgreSQL, Redis, and Nginx reverse proxy.
#docker#compose
bashbeginner
Redis Docker Setup with Persistence
Docker Compose for Redis with persistence, password auth, memory limits, and a health check.
#redis#docker
bashbeginner
PostgreSQL Docker Setup with Init Script
Docker Compose for PostgreSQL with volume persistence, init scripts, and connection pooling.
#postgres#docker
bashintermediate
GitHub Actions Docker Build and Push
GitHub Actions workflow to build a Docker image and push it to GitHub Container Registry on release.
#github-actions#docker