Node, Python and Go in a single Google App Engine project!

python-app.yaml

# om namah shivay

# See https://cloud.google.com/appengine/docs/flexible/python/configuring-your-app-with-app-yaml
# and https://cloud.google.com/appengine/docs/flexible/python/reference/app-yaml for more info

runtime: python
runtime_config:
  python_version: 3
env: flex
service: python
entrypoint: gunicorn -b :$PORT hello:app

# The settings below are to reduce costs during testing and not appropriate for production use.
# You would obviously want to increase the values for computing resources and look into auto scaling when running production workloads.

manual_scaling:
  instances: 1
resources:
  cpu: 1
  memory_gb: 0.5
  disk_size_gb: 10