example_startup_script.sh

# Copyright 2021 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
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apt-get -y update
apt-get -y install git
apt-get -y install virtualenv
git clone https://github.com/GoogleCloudPlatform/python-docs-samples
cd python-docs-samples/iap
virtualenv venv -p python3
source venv/bin/activate
pip install -r requirements.txt
cat example_gce_backend.py |
  sed -e "s/YOUR_BACKEND_SERVICE_ID/$(gcloud compute backend-services describe my-backend-service --global --format="value(id)")/g" |
  sed -e "s/YOUR_PROJECT_ID/$(gcloud config get-value account | tr -cd "[0-9]")/g" > real_backend.py
gunicorn real_backend:app -b 0.0.0.0:80