How to permanently redirect `http://` and `www.` URLs to `https://`?

Question

I have a Google App Engine project. On this project I have setup a custom domain and an SSL certificate. Therefore, I can use https://www.mysite.xxx, http

Answer 1

(For Node at least,) in your app.yaml, add the following:

handlers:
- url: /.*
  secure: always
  redirect_http_response_code: 301
  script: auto

Reference: https://cloud.google.com/appengine/docs/standard/nodejs/config/appref