> ## Documentation Index > Fetch the complete documentation index at: https://docs.nuon.co/llms.txt > Use this file to discover all available pages before exploring further. > JSON Schema reference for install configuration # Install # Install ## Properties | Property | Description | Values | Example | | -------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------- | ---------------------------------------------------------------------- | | **`name`**
string | name of the install Unique identifier for this install configuration | **✅ Required** | `"production"`, `"staging"`, `"customer-acme"` | | **`approval_option`**
string | approval option for the install Controls how deployments are approved. Options: 'approve-all' (automatic approval) or 'prompt' (requires confirmation) | **Optional** | `"approve-all"`, `"prompt"` | | **`labels`**
object | key/value labels for the install Tag installs with arbitrary metadata like environment, region, or version. Values can use the .nuon interpolation syntax to render from install state, and re-render... | **Optional** | `{"env":"production","region":"{{ .nuon.cloud_account.aws.region }}"}` | | **`aws_account`**
[AWSAccount](#aws_account) | AWS account configuration AWS-specific settings for this install, including region and other account details | **Optional** | - | | **`gcp_account`**
[GCPAccount](#gcp_account) | GCP account configuration GCP-specific settings for this install, including project ID and region | **Optional** | - | | **`azure_account`**
[AzureAccount](#azure_account) | Azure account configuration Azure-specific settings for this install, including the deployment location | **Optional** | - | | **`inputs`**
array | input values Array of input groups with key-value pairs for customer inputs provided during installation | **Optional** | - | | **`stack_overrides`**
[InstallStackOverrides](#stack_overrides) | Stack template overrides Per-install overrides for the app-level stack template configuration. Overrides take precedence over app-level defaults. | **Optional** | - | | **`component_toggles`**
object | - | **Optional** | - | | **`components`**
object | - | **Optional** | - | ### `aws_account` | Property | Description | Values | Example | | ---------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------ | -------------- | ------------------------------------------- | | **`region`**
string | AWS region AWS region where the infrastructure will be deployed | **✅ Required** | `"us-east-1"`, `"us-west-2"`, `"eu-west-1"` | | **`account_id`**
string | AWS account ID AWS account this install targets. Required when phone home authentication is enabled for the organization. Immutable once the install exists. | **Optional** | `"123456789012"` | ### `gcp_account` | Property | Description | Values | Example | | ---------------------------- | -------------------------------------------------------------------- | ------------ | --------------------------------- | | **`project_id`**
string | GCP project ID GCP project where the infrastructure will be deployed | **Optional** | `"my-gcp-project"` | | **`region`**
string | GCP region GCP region where the infrastructure will be deployed | **Optional** | `"us-central1"`, `"europe-west1"` | ### `azure_account` | Property | Description | Values | Example | | --------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------- | ---------------------------------------- | | **`location`**
string | Azure location Azure location/region where the infrastructure will be deployed | **✅ Required** | `"eastus"`, `"westus2"`, `"westeurope"` | | **`subscription_id`**
string | Azure subscription ID Azure subscription this install targets. Required when phone home authentication is enabled for the organization. Immutable once the install exists. | **Optional** | `"00000000-0000-0000-0000-000000000000"` | ### `stack_overrides` | Property | Description | Values | Example | | -------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------ | ---------------------------------------------------------------------------------- | | **`vpc_nested_template_url`**
string | VPC nested template URL override Per-install override for the VPC nested CloudFormation template URL. Overrides the app-level default from stack.toml. | **Optional** | `"https://nuon-artifacts.s3.us-west-2.amazonaws.com/templates/custom-vpc.yaml"` | | **`runner_nested_template_url`**
string | Runner nested template URL override Per-install override for the runner nested CloudFormation template URL. Overrides the app-level default from stack.toml. | **Optional** | `"https://nuon-artifacts.s3.us-west-2.amazonaws.com/templates/custom-runner.yaml"` | | **`custom_nested_stacks`**
object | Custom nested stack overrides Per-install overrides for custom nested CloudFormation stacks. Entries with the same name as app-level stacks replace them; new names are appended. | **Optional** | - |