A server for Docker side projects

A single server running Docker Compose, a reverse proxy and a handful of small apps is the most common self-hosting setup. Memory is the limit you hit first: each app with its own database adds a few hundred megabytes. Four vCPUs and eight gigabytes leave room for five or six services and image builds. NVMe storage keeps pulls, builds and database writes quick, and the IPv4 address matters if any of your apps must be reachable from older networks.