There are tons of good videos on YouTube for this.
Here's an idea: https://www.hgtv.com/design/outdoor-design/outdoor-spaces/fire-pits-and-fireplaces/how-to-build-a-gas-fire-pit
My dad built a really cool one using a propane fire ring from Camping World that sits on inexpensive cement blocks with concrete pavers on top. It is really, really cool. He also hides his propane tank in a mini galvanized garbage can. The concrete pavers can be stained for a colorful accent. I hope this helps!
Hello, this video looks pretty straightforward,