URL Shortener
docker create --name shadow-mongo -p 27017:27017 mongo:3.6
docker start shadow-mongo
gcloud app create gcloud config set project ...
- https://godoc.org/
- https://cloud.google.com/appengine/docs/standard/go112/config/appref
- https://cloud.google.com/appengine/docs/standard/go112/apis
- https://cloud.google.com/logging/docs/reference/libraries#client-libraries-install-go
- https://cloud.google.com/apis/docs/cloud-client-libraries
- https://developers.google.com/analytics/devguides/collection/protocol/v1/devguide
- https://www.onlinetool.io/xmltogo/