feat: add deployment logic for backend

[matthiasmatt]

Summary by CodeRabbit

• New Features

  • Introduced a new GitHub Actions workflow for automating backend deployment.
  • Added Terraform configuration for setting up Google Cloud infrastructure, including VPC, Cloud SQL, and Cloud Run services.
  • New output variable for retrieving the Cloud Run service URL.
  • Added configuration parameters for cloud infrastructure in a new variable file.

• Chores

  • Created a Makefile to manage Terraform operations.
  • Added a lock file for Terraform provider versioning.

[coderabbitai]

Walkthrough

The changes introduce a new GitHub Actions workflow for automating the deployment of a backend service to Google Cloud, alongside a Makefile for managing Terraform operations. Terraform configuration files are added to set up the necessary Google Cloud infrastructure, including a VPC, Cloud SQL instance, and Cloud Run service. Additionally, variable definitions and output configurations are established to facilitate the deployment and management of resources.

Changes

Files	Change Summary
.github/workflows/deploy_backend.yml	New workflow added to automate backend service deployment, including steps for repository checkout, Cloud SDK setup, Docker image handling, and Cloud Run deployment.
Makefile	New Makefile introduced with targets for managing Terraform operations: init, plan, apply, and destroy.
terraform/.terraform.lock.hcl	New lock file generated for Terraform provider, specifying version 4.85.0 and ensuring provider integrity.
terraform/main.tf	New Terraform configuration file created to set up a VPC, Cloud SQL instance, and Cloud Run service, including necessary IAM roles and environment configurations.
terraform/outputs.tf	New output variable cloud_run_url added to retrieve the URL of the deployed Cloud Run service.
terraform/terraform.tfvars	New variable file introduced defining parameters for the cloud infrastructure setup, including project ID, region, database credentials, and service names.
terraform/variables.tf	New variable configuration file created, defining several variables for GCP project setup with descriptions and default values where applicable.

Sequence Diagram(s)

sequenceDiagram
    participant Developer
    participant GitHub Actions
    participant Google Cloud
    Developer->>GitHub Actions: Push to main branch
    GitHub Actions->>Google Cloud: Setup Cloud SDK
    GitHub Actions->>Google Cloud: Build Docker image
    GitHub Actions->>Google Cloud: Push image to GCR
    GitHub Actions->>Google Cloud: Deploy to Cloud Run

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Poem

🐰 In the meadow, changes bloom,
A backend service finds its room.
With Terraform's gentle hand,
A cloud of dreams begins to stand.
Deploy, deploy, the rabbit sings,
In the fields of code, joy springs! 🌼

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📜 Recent review details

📥 Commits

Files that changed from the base of the PR and between 9e3cfee and f86473f.

📒 Files selected for processing (7)

• .github/workflows/deploy_backend.yml (1 hunks)
• Makefile (1 hunks)
• terraform/.terraform.lock.hcl (1 hunks)
• terraform/main.tf (1 hunks)
• terraform/outputs.tf (1 hunks)
• terraform/terraform.tfvars (1 hunks)
• terraform/variables.tf (1 hunks)

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Note

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