Flask Hello World on Kubernetes via Helm

Build

• Set an environment variable with your GCP Project ID:

export GOOGLE_CLOUD_PROJECT=<PROJECT_ID>

gcloud builds submit --tag=gcr.io/${GOOGLE_CLOUD_PROJECT}/flask-helloworld src/

Run Locally

docker run -p 8080:8080 -e PORT=8080 --rm gcr.io/${GOOGLE_CLOUD_PROJECT}/flask-helloworld

Test

pytest src/tests/

Note: you may need to install pytest using pip install pytest.

Deploy

Helm

• Complete the Build step
• Install/ Upgrade a release

helm upgrade --install dev ./helm/ --set gcpProjectId="${GOOGLE_CLOUD_PROJECT}" --debug

Cloud Build

gcloud builds submit --config=cloudbuild.yaml --substitutions=_CLOUDSDK_COMPUTE_ZONE="<CLUSTER-ZONE>",_CLOUDSDK_CONTAINER_CLUSTER="<CLUSTER-NAME>"

Note: Make sure your cloud build service account have all the required permissions.