docker-best-practices

---
name: docker-best-practices
description: Docker best practices including multi-stage builds, compose patterns, image optimization, and security
---

# Docker Best Practices

## Multi-Stage Build

```dockerfile
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