feat: Added terraform IAC for deploying to stg and prd

Author: spuerta10

terraform/environments/prd.tfvars

@@ -0,0 +1,8 @@
+variable "region" {
+    type = string
+    default = "us-central1"
+}
+
+variable "project_id" {
+    type = string
+}

terraform/environments/stg.tfvars

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+environment = "stg"
+region      = "us-central1"
+project_id  = "your-project-id"
+db_tier     = "db-f1-micro" 
+
+# db_user, db_password & db_name come from the pipeline

terraform/main.tf

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+resource "google_sql_database_instance" "main" {
+  name             = "${var.environment}-postgres"
+  database_version = "POSTGRES_15"
+  region           = var.region
+
+  settings {
+    tier = var.db_tier
+    
+    ip_configuration {
+      ipv4_enabled = true  # enable public IP
+
+      authorized_networks {
+        name  = "allow-all"
+        value = "0.0.0.0/0"
+      }
+    }
+  }
+
+  deletion_protection = false
+}
+
+resource "google_sql_database" "database" { # db creation
+  name     = var.db_name
+  instance = google_sql_database_instance.main.name
+}
+
+resource "google_sql_user" "user" { # db user creation
+  name     = var.db_user
+  instance = google_sql_database_instance.main.name
+  password = var.db_password
+}

terraform/outputs.tf

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+output "db_host" { # db public IP
+    value = google_sql_database_instance.main.public_ip_address
+}

terraform/provider.tf

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+provider "google" {
+  project = var.project_id
+  region  = var.region
+}

terraform/variables.tf

@@ -0,0 +1,37 @@
+variable "region" {
+    type = string
+    default = "us-central1"
+}
+
+variable "db_tier" {
+    type = string
+    default = "db-f1-micro"
+}
+
+# db_port=5432 by default in Cloud SQL
+
+# required vars
+
+variable "project_id" {
+    type = string
+}
+
+variable "environment" {
+    type = string
+}
+
+# database vars
+
+variable "db_user" {
+    type = string
+}
+
+variable "db_password" {
+    type = string
+}
+
+variable "db_name" {
+    type = string
+}
+
+# cloud run vars