An Exhaustive Guide to Writing Dockerfiles for Node.js Web Apps

This guide provides an exhaustive approach to writing Dockerfiles for Node.js web applications. It covers various aspects such as using appropriate base images (carbon for development and alpine for production), hot reloading during development with nodemon, optimizing Docker cache layers, serving static files, multi-stage production builds, and some pro tips like using COPY over ADD and handling CTRL-C kernel signals. The guide also includes examples of simple Dockerfile and .dockerignore file, hot reloading with nodemon, optimizations for better performance, serving static files, single-stage and multi-stage production builds.