Set up a Multi-Cloud HarperDB Cluster using Terraform, AWS and Azure. Configure HarperDB Clustering (replication) so that the Instances share their data and lower the overall global latency for your project.

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1. Install Terraform CLI and the respective AWS and Azure CLIs for authentication.
2. Create Terraform files, splitting them into modules for better organization.
3. Clone the GitHub repository for the project and deploy the infrastructure using Terraform.
4. Obtain Public IP addresses for the containers from AWS and Azure consoles.
5. Implement geo-routing for Users' closest region using AWS Route53.
6. Add the Instances deployed earlier to HarperDB Studio and enable clustering.
7. Connect the Instances together in the HarperDB Clustering interface.
8. Deploy Custom Functions code to the HarperDB Cluster nodes, using the deploy-custom-functions.js script.
9. Deploy the project to other HarperDB Nodes from HarperDB Studio.
10. Run the setup route on each host where the API Gateway code is deployed using Curl.
11. Test caching response time using Curl or Postman.
12. After completing the project, easily destroy all resources created using one command.

Check out the Video Tutorial.