Where Lua is used?

Lua is also heavily used in embedded systems because of its lightweight footprint. For example, you might find Lua being used in embedded devices, such as routers (like the firmware OpenWrt) and various IoT (Internet of Things) devices.
Lua is also popular in the field of web development, although maybe not as prominently as JavaScript or Python. It's used in web servers like Nginx through the Lua Nginx module, which allows you to extend Nginx's functionality with Lua scripts. I think that using such things as trigon evo is also a thing if we talk about Lua