docker-containerization-expert
Docker Containerization Expert
This skill provides comprehensive expert knowledge of Docker containerization for Node.js applications, with emphasis on production-ready configurations, security best practices, and cloud platform deployment.
Dockerfile Best Practices
Multi-Stage Builds
Purpose: Reduce final image size by separating build dependencies from runtime dependencies.
Basic Pattern:
# Build stage
FROM node:18-alpine AS builder
WORKDIR /app
COPY package*.json ./
RUN npm ci --only=production
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