Explore the installation and setup of Lemmy, an open-source, federated, self-hosted alternative to Reddit in this comprehensive video tutorial. Learn how to install Lemmy using Docker and Docker-Compose, configure the site, and test it in your browser. Follow along as the instructor demonstrates fixing configuration issues, setting up a domain URL with a reverse proxy, and implementing custom locations for proper functionality. Gain insights into supporting open-source projects and discover how to enable SSL for your Lemmy site. Perfect for those interested in decentralized social platforms and self-hosting alternatives to popular social media sites.