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Hands-on video course on containerizing and deploying a Node.js/Express application with Docker. Covers building custom images with a Dockerfile, image layers and caching, container networking and port publishing, dockerignore, bind mounts and volumes, environment variables from files, and Docker Compose with separate development and production configurations. Extends the setup with a MongoDB container and container-to-container communication, a CRUD app with signup/login and Redis-backed sessions, Nginx load balancing across multiple Node containers, and CORS. The final part walks through installing Docker on an Ubuntu server at DigitalOcean, setting up Git and environment variables, deploying and rebuilding containers, an improved Docker Hub workflow, automating updates with Watchtower, and moving to Docker Swarm. Suited to developers who already know JavaScript and Node/Express basics and want to learn Docker-based DevOps workflows.
