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Docker Compose Examples for Node.js Apps (2025)
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Docker Compose Examples for Node.js Apps (2025)

via Dev.to Tutorial楊東霖

Docker Compose transforms local development for Node.js applications. Instead of installing and managing PostgreSQL, Redis, and other services locally, you define everything in a docker-compose.yml and run docker compose up . Everyone on the team gets an identical environment. This guide covers practical Docker Compose setups for Node.js — from a minimal single-container dev setup to production-ready multi-service configurations. Prerequisites Make sure you have Docker and Docker Compose installed: # Check versions docker --version # Docker 24.x+ docker compose version # Docker Compose 2.x+ Docker Desktop (macOS/Windows) includes both. On Linux, install Docker Engine and the Compose plugin separately. 1. Minimal Node.js Setup Start simple: a single containerized Node.js app. Project structure: my-app/ ├── src/ │ └── index.js ├── package.json ├── Dockerfile └── docker-compose.yml Dockerfile: FROM node:20-alpine WORKDIR /app COPY package*.json ./ RUN npm ci --only = production COPY . . E

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