There are a lot more problems than you think with letting users have arbitrary code execution. And no, Docker is not an acceptable security solution for this, since it&#x27;s most certainly possible to break out of containers. Even if you&#x27;re using a dedicated VM, this is not a good idea. And from a brief look at glot-code-runner, it doesn&#x27;t seem like there&#x27;s even that much built in to protect against various forms of use.<p>A more sane design would be to use something like emscripten to enable all these different languages to run in the browser.