I have a functional Go app which I've been running locally for months. Got setup with Google Cloud, did a test run to a live domain, everything works.
Looking back at my local machine, I want to run a local Google AppEngine server (instead of running my Go app directly). It runs, however I'm trying to use the "login: required" parameter in app.yaml, and I see the login form at localhost:8080, however no matter what email I input, it keeps timing out with 503 errors.
application: myapp-dev env: flex runtime: go api_version: go1 handlers: - url: / script: _go_app login: required
Command I use to run the local app: