Safely terminate Node.js Docker web applications Install only production dependencies in the Node.js Docker image Use explicit and deterministic Docker base image tags You can follow along with this tutorial by cloning this repository.įollow these 10 steps to build optimized Node.js web applications with Docker: Let’s begin improving this Dockerfile so we can build optimized Node.js web applications with Docker. The only problem? It is full of mistakes and bad practices for building Node.js Docker images. $ docker run -p 3000 : 3000 nodejs-tutorial We are going to learn how to containerize Node.js web applications step by step, starting with a simple and working Dockerfile, understanding the pitfalls and insecurities with every Dockerfile directive, and then fixing it. It might feel like yet another article on how to build Docker images for Node.js applications but many examples we’ve seen in blogs are very simplistic and solely aim to guide you on the basics of having a Node.js Docker image running an application, without thoughtful consideration of security and best practices for building Node.js Docker images.

Why did we write this guide on containerizing Node.js Docker web applications? You’re looking for advice on how to properly build a Node.js Docker image for your microservices, running Fastify, NestJS or other application frameworks. Your aim is to build a frontend application using server-side rendering (SSR) Node.js capabilities for React. You’ll find it helpful regardless of the Node.js application you aim to build. The following article provides production-grade guidelines for building optimized and secure Node.js Docker images. September 14, 2022: Check out our new and improved cheat sheet for containerizing Node.js web applications with Docker!Īre you looking for best practices on how to build Node.js Docker images for your web applications? Then you’ve come to the right place!

Nodejs dockerfile