Error reproduction for Google Cloud Run + Cloud SQL

To reproduce:

Update the variables in the Makefile.
Run make deploy
Once deployed, navigate to https://{HOST}/. The first time it connects to the database and returns a result, but second time it hangs.

Name		Name	Last commit message	Last commit date
Latest commit History 2 Commits
bin		bin
lib		lib
.dockerignore		.dockerignore
.gitignore		.gitignore
Dockerfile		Dockerfile
Makefile		Makefile
README.md		README.md
docker-compose.yml		docker-compose.yml
pubspec.lock		pubspec.lock
pubspec.yaml		pubspec.yaml

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