I manage over 13 Docker containers on my own VPS. These include my projects like hesapciyiz.com, islistesi.com, this blog site, and several background services. Exposing each one to the internet using separate ports is not very practical, neither for security nor for management. The question of how to publish so many services on a single IP address using standard ports like 80 and 443 initially gave me a lot of thought. The solution lay in migrating the Nginx reverse proxy architecture, which I've been using for years, to a Docker environment. In this post, I will explain step-by-step how I set up this structure and the experiences I gained during this process. Why is Managing Multiple Services on a Single VPS a Problem? When you want to run multiple web applications on a single server, you encounter a fundamental problem: port conflicts. Ports 80 for HTTP and 443 for HTTPS are standard, and it's not possible for each service to directly listen on these ports.…