Updated dockerfile & build for dockerized puppeteer

src/PdfCreator.ts

@@ -64,7 +64,8 @@ export class PdfCreator {
             '--no-pings',
             '--no-zygote',
             '--password-store=basic',
-            '--use-gl=swiftshader'
+            '--use-gl=swiftshader',
+            '--no-sandbox'
         ];
 
         await i18next