const PImage = require("pureimage"), app = require("./expressHandler.js").app app.get("/embedImage.png", (req, res) => { const r = {"x": 500, "y": 300} var img = PImage.make(r.x, r.y) var ctx = img.getContext("2d") ctx.clearRect() ctx.fillStyle = "rgb(255, 0, 0)" ctx.fillRect(0, 0, 200, 100) PImage.encodePNGToStream(img, res) })