York Computer Solutions has released a multi-part series on learning the basics of Phaser 3. The content teaches you how to load fonts, add sprites, change positions of sprites and images, and much more!
From the article: "In this guide, we will be taking a look at how to manipulate the position of images and sprites in Phaser 3. Being able to change the x and y positions of objects in your game is very useful and will allow you to add some awesome mechanics."