FB Instant Games Tutorial
Phaser can be integrated when creating Messenger games, and you can learn it through an FB Instant Games Tutorial.
The process will require developers to create a new app, even if you already have a published a game on Facebook. However, the rest of the steps are easy.
The Instant Games platform has the necessary tools and options to host your game on Facebook. The tutorial also provides the codes needed to make Phaser compatible with your creations.
Read the rest of the tutorial in this link.