provider "azurerm" {
  features {}
}

resource "azurerm_resource_group" "rg" {
  name     = "rg-bank-rag-dev-centralus"
  location = "Central US"
}

# App Service / Web App (Frontend)
resource "azurerm_service_plan" "app_plan" {
  name                = "plan-rag-dev"
  location            = azurerm_resource_group.rg.location
  resource_group_name = azurerm_resource_group.rg.name
  os_type             = "Linux"
  sku_name            = "B1"
}

resource "azurerm_linux_web_app" "webapp" {
  name                = "app-bank-rag-dev"
  location            = azurerm_resource_group.rg.location
  resource_group_name = azurerm_resource_group.rg.name
  service_plan_id     = azurerm_service_plan.app_plan.id
  site_config {}
}

# Azure AI Search & OpenAI
resource "azurerm_search_service" "search" {
  name                = "srch-bank-rag-dev"
  resource_group_name = azurerm_resource_group.rg.name
  location            = azurerm_resource_group.rg.location
  sku                 = "basic"
}

resource "azurerm_cognitive_account" "openai" {
  name                = "oai-bank-rag-dev"
  location            = azurerm_resource_group.rg.location
  resource_group_name = azurerm_resource_group.rg.name
  kind                = "OpenAI"
  sku_name            = "S0"
}

# Databases (SQL & PostgreSQL Flexible)
resource "azurerm_postgresql_flexible_server" "pgsql" {
  name                   = "psql-bank-rag-dev"
  resource_group_name    = azurerm_resource_group.rg.name
  location               = azurerm_resource_group.rg.location
  version                = "14"
  sku_name               = "B_Standard_B1ms"
}

Estimated non-production running costs for the RAG Data Governance setup:

* Prices are approximate based on public Azure pricing for Central US region. Bandwidth and exact token consumption will vary.