TerraformCodebase

Setup Instructions

1. Clone the repository

   git clone https://github.com/afeeney9/TerraformCodebase.git
   cd TerraformCodebase

2. Configure variables

   • Copy terraform.tfvars.example to terraform.tfvars and update values:

     project = "your-gcp-project-id"
     region  = "us-central1"
     zone    = "us-central1-a"
     db_password = "your-db-password"

3. Initialize Terraform

   terraform init

4. Review the execution plan

   terraform plan

5. Apply the configuration

   terraform apply

   • Confirm with yes when prompted.

6. Deploy the application

   • The VM startup script (cloud-init.sh) will clone the application from Git and start the service.

7. View Outputs

   terraform output

   • vm_public_ip: Access the web app via this IP.
   • vm_private_ip: VM internal IP.
   • cloud_sql_private_ip: SQL instance private IP.
   • db_connection_name: Cloud SQL connection string.

8. Destroy the environment

   terraform destroy

Architecture Diagram

flowchart LR
  subgraph VPC [VPC: terraform-network]
    Subnet[gallery-subnet<br/>10.0.0.0/16]
    VM[Compute Instance<br/>e2-standard-2]
    SQL[Cloud SQL<br/>MySQL 8.0]
    Bucket[Google Cloud Storage]
  end

  VM -->|Private IP| SQL
  VM -->|Public IP| Client
  VM -->|Private IP| Bucket
  SQL -.->|Private Service<br/>Peering| VPC
  Firewall[Firewall<br/>80,443,3306] --> VM
  ServiceAccount --> VM
  ServiceAccount --> SQL

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Notes

• Ensure your public bucket names are globally unique if adding object storage.
• For production deployments, consider using Terraform Cloud or a CI/CD pipeline.
• Secure sensitive variables using Secret Manager or environment variables.

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For questions or contributions, please open an issue or submit a pull request.