These environments provide segregated execution spaces that allow you to run untrusted scripts or complex software builds without risking your local machine. By decoupling development logic from your underlying operating system, these solutions prevent environmental drift and ensure that dependencies remain strictly contained within their own virtualized boundaries. When selecting an option, prioritize how easily you can synchronize your host file system with the internal container, the overhead required for resource provisioning, and the speed at which your specific language stack compiles within a fresh instance.

The safest, simplest way to run untrusted code.