Explore a comprehensive approach to creating real virtual environments without relying on virtualenv in this conference talk from EuroPython 2016. Discover how Docker can be utilized throughout the entire development process, from initial coding to production deployment. Learn about the advantages of using containers for building immutable and consistent environments, ensuring repeatability and eliminating the "It works for me!" problem. Delve into container anatomy, image building, deployment strategies, and the benefits of using Docker Compose. Gain insights into creating a uniform stack of tooling that seamlessly transitions from development to production, offering a more robust alternative to traditional virtualenv setups.