The text delves into the nostalgic revival of DOS-era gaming through modern technology, highlighting the use of Docker and JS-DOS to emulate old DOS games in web browsers. The process involves creating Docker images that can host and run these games, allowing users to play them directly from their browsers. The article reminisces about the simplicity and excitement of the early 90s gaming experience, drawing parallels between old shareware floppy disks and modern Docker images. By using tools like Earthly, users can further streamline the process of building and launching these games, making it easy to preserve and enjoy classic games in a new, digitally accessible format. The piece encourages exploring Earthly for efficient Docker image creation while providing a sense of nostalgia for the self-contained, offline gaming experiences of the past.