wtf is container?

Apple's container tool lets you run Linux containers natively on a Mac with Apple silicon (M1/M2/M3/M4 chips), using lightweight virtual machines under the hood. Containers are isolated software environments, think of them as self-contained boxes that hold an app and everything it needs to run, so it works the same way regardless of which computer it's on. Docker is the most well-known container tool, and this is Apple's official alternative, built specifically for Apple's own hardware. For a vibe coder or technical founder, this is relevant if you need to run Linux-based software locally on your Mac for development, like testing a backend server, running a database, or working with open-source tools that only run on Linux. Because it's built in Apple's own Swift language and optimized for Apple silicon, it's designed to be faster and more power-efficient than other container tools on Mac hardware. It works with the same container image format (called OCI, the industry standard) that Docker and other tools use, so you can pull any container from the internet and run it, or push containers you build to any standard registry. Important caveats: this requires a Mac with Apple silicon and macOS 26 (a future macOS version at time of writing). The project is still in early active development, version 1.0 hasn't been released yet, so there may be breaking changes between updates. It's best suited for developers who want to be on the cutting edge of Apple's container ecosystem.