Documenting my janky workflow.
Image name: us.gcr.io/<project id>/<image name>
# Refresh credentials
gcloud auth login
# Building an image
docker build -t `<image name>` .
# Open a shell in container so you can run commands and test
docker run -it --rm <image name>:latest bash
# Push image to registry
docker push <image name>:latest
# Use Cloud console to point Cloud Run to latest image