Apollo server playground not working on heroku (Working Locally)

Apollo server playground not working on heroku (Working Locally)

node.js heroku ecmascript-6 apollo-server

heroku

Returns 503 service unavailable when uploading files to heroku

heroku file-upload graphql apollo-server heroku-ci

heroku

Problem deploying Apollo Express server to Heroku: "GET query missing."

node.js heroku graphql apollo apollo-server

heroku

graphql playground behaving weirdly running on heroku

heroku apollo-server

heroku

"Not allowed to request resource" in Safari and "Blocked loading mixed active content" in Firefox. Perfect functionality in Chrome

heroku apollo react-apollo apollo-server express-graphql

heroku

Apollo monorepo - WS connection

heroku graphql apollo apollo-client apollo-server

heroku