puppeter not longer launch instances at service boot

print/boot.js

@@ -1,11 +1,9 @@
 const express = require('express');
 const path = require('path');
 const fs = require('fs');
-const puppeteer = require('puppeteer');
 
 const templatesPath = path.resolve(__dirname, './templates');
 const componentsPath = path.resolve(__dirname, './core/components');
-const config = require('./core/config');
 
 module.exports = async app => {
     global.appPath = __dirname;
@@ -55,21 +53,4 @@ module.exports = async app => {
             app.use(`/api/${templateName}/assets`, express.static(assetsDir));
         });
     });
-
-    // Instantiate Puppeteer browser
-    async function launchBrowser() {
-        config.browser = await puppeteer.launch({
-            headless: true,
-            args: [
-                '--no-sandbox',
-                '--disable-setuid-sandbox',
-                '--single-process',
-                '--no-zygote'
-            ]
-        });
-
-        config.browser.on('disconnected', launchBrowser);
-    }
-
-    launchBrowser();
 };

print/core/report.js

@@ -2,6 +2,7 @@ const fs = require('fs');
 const path = require('path');
 const config = require('./config');
 const Component = require('./component');
+const puppeteer = require('puppeteer');
 
 if (!process.env.OPENSSL_CONF)
     process.env.OPENSSL_CONF = '/etc/ssl/';
@@ -31,7 +32,19 @@ class Report extends Component {
         if (fs.existsSync(fullPath))
             options = require(optionsPath);
 
-        const page = (await config.browser.pages())[0];
+        const browser = await puppeteer.launch({
+            headless: true,
+            args: [
+                '--no-sandbox',
+                '--disable-setuid-sandbox',
+                '--single-process',
+                '--no-zygote'
+            ]
+        });
+
+        // browser.on('disconnected', launchBrowser);
+
+        const page = (await browser.pages())[0];
         await page.emulateMedia('screen');
         await page.setContent(template);
 
@@ -51,6 +64,8 @@ class Report extends Component {
 
         const buffer = await page.pdf(options);
 
+        await browser.close();
+
         return buffer;
     }