gcp-proxy

Simple proxy server in Google Cloud

Motivation

Testing a simple function app setup in Google Cloud with Terraform. Can be used to proxy requests.

Prerequisites

• Terraform
• Node
• Google cloud SDK

Setup

1. Clone the project
2. cd gcp-proxy & npm install

Development

1. Start typescript compilation npm run watch
2. In another shell, start the local server npm start

Deployment

1. Get a free Google Cloud account: https://console.cloud.google.com/freetrial
2. Create new project, add project's ID to terraform/variables.tf. Update also terraform/modules/api/openapi.yml
3. Enable following APIs from "APIs & Services"
   • Cloud Build
   • Cloud Run
   • Cloud Functions
   • Identity-Aware Proxy
4. Enable necessary services

gcloud services enable apigateway.googleapis.com
gcloud services enable servicemanagement.googleapis.com
gcloud services enable servicecontrol.googleapis.com

5. Select one of the supported regions for API gateway, and put it to terraform/variables.tf. Update also terraform/modules/api/openapi.yml.

 asia-northeast1
 australia-southeast1
 europe-west1
 europe-west2
 us-east1
 us-east4
 us-central1
 us-west2
 us-west3
 us-west4

6. Check your service account id (or create one) and put it to terraform/variables.tf

7. Initialize terraform

cd terraform
terraform init

9. Plan the deployment terraform plan

10. Deploy terraform apply

11. Create an API key in Google Cloud console "API Keys" and restrict it to proxy-api only.

12. Test your api by querying your url with x-api-key header. Check terraform/modules/api/openapi.yml for full API documentation

License

MIT - See LICENSE