Dockerized Node.js Express Application

Production-ready containerization of a Node.js Express application using Docker best practices.

This repository demonstrates how to package, run, and distribute a Node.js application as a clean, reliable Docker image suitable for real-world deployments.

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🚀 What This Project Demonstrates

This project focuses on practical, production-grade Docker skills, including:

• Use of official Node.js Alpine base images
• Clean and optimized Dockerfile layering
• Proper dependency caching using package.json
• Reduced image size via npm cache cleanup
• Correct process management using tini (PID 1)
• Predictable and safe container startup
• Host-to-container port mapping
• Reproducible builds and runs across environments

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🧱 Technology Stack

• Node.js (Express)
• Docker
• Alpine Linux
• tini (process manager)

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📦 Docker Image

The Docker image is publicly available on Docker Hub:

👉 https://hub.docker.com/r/salioudjalo/node-app

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🔧 Build the Image Locally

Clone the repository and build the image:

docker build -t salioudjalo/node-app:latest .
docker container run -p 80:3000 salioudjalo/node-app:latest
http://localhost