I use a virtual private server when a project needs predictable resources and direct control over how its services run. It gives me one dependable environment for web applications, APIs, databases, background workers, and supporting services without tying each part to a different hosting product.
Self-hosting lets me choose the operating system, deployment structure, networking, and update schedule. I can keep related services close together, inspect the full runtime when something goes wrong, and apply the same operational approach across projects.
The stack is intentionally straightforward. Ubuntu provides a stable base, Docker keeps applications isolated and repeatable, and CloudPanel with NGINX makes domains and web traffic manageable. This combination can grow with the systems while remaining understandable and maintainable over time.