Update server.js

server.js

@@ -31,12 +31,11 @@ app.post("/v1/start", async (req, res) => {
     const page = await browser.newPage();
     await page.goto('https://example.com');
     await page.setContent(html, { waitUntil: "load" });
-    const output = `${tmp}/${utils.randomName('.jpg')}`
-    await page.screenshot({ path: output });
+    //const output = `${tmp}/${utils.randomName('.jpg')}`
+    const buffer = await page.screenshot();
 
-    await browser.close();
-
-    res.json({ result: output })
+    res.setHeader("Content-Type", "image/jpeg");
+    res.send(buffer);
 
   } catch (err) {
     console.error(err);