I've never done it myself, but there are several epoxy products on the market that can be used. Here's a generic tutorial from Wikihow. Wishing you the best.
Technically, glaze is done in a kiln.
I would go to a full line professional paint store, and have them guide you on which primer to buy and which epoxy to buy.
Prep work will be important. Proper ventilation will be important too.
Epoxy paint or kits.