Discover essential techniques for creating production-ready containers in this 20-minute video featuring a hands-on Node.js demonstration. Explore three key optimization areas: image size, build speed, and security. Learn common container hardening methods, from manual adjustments to multistage builds and popular open-source tools, while understanding their trade-offs. Follow along with practical examples, including a "Hello World" Node.js application and improved Dockerfile creation. Gain insights into container slimming, user settings, version pinning, layer caching, NPM cache management, alternative base images, and multi-stage builds. By the end of this Docker-produced content, acquire the knowledge needed to confidently ship efficient and secure containerized applications.