render an installer

curl --request GET \
  --url https://ctl.prod.nuon.co/v1/installer/{installer_slug}/render

{
  "app": {
    "cloud_platform": "aws",
    "created_at": "<string>",
    "created_by": {
      "created_at": "<string>",
      "created_by_id": "<string>",
      "email": "<string>",
      "expires_at": "<string>",
      "id": "<string>",
      "issued_at": "<string>",
      "issuer": "<string>",
      "subject": "<string>",
      "token_type": "auth0",
      "updated_at": "<string>"
    },
    "created_by_id": "<string>",
    "id": "<string>",
    "name": "<string>",
    "org_id": "<string>",
    "status": "<string>",
    "status_description": "<string>",
    "updated_at": "<string>"
  },
  "app_inputs": {
    "app_id": "<string>",
    "app_inputs": [
      {
        "app_input_id": "<string>",
        "created_at": "<string>",
        "created_by": {
          "created_at": "<string>",
          "created_by_id": "<string>",
          "email": "<string>",
          "expires_at": "<string>",
          "id": "<string>",
          "issued_at": "<string>",
          "issuer": "<string>",
          "subject": "<string>",
          "token_type": "auth0",
          "updated_at": "<string>"
        },
        "created_by_id": "<string>",
        "default": "<string>",
        "description": "<string>",
        "display_name": "<string>",
        "id": "<string>",
        "name": "<string>",
        "org_id": "<string>",
        "required": true,
        "sensitive": true,
        "updated_at": "<string>"
      }
    ],
    "created_at": "<string>",
    "created_by": {
      "created_at": "<string>",
      "created_by_id": "<string>",
      "email": "<string>",
      "expires_at": "<string>",
      "id": "<string>",
      "issued_at": "<string>",
      "issuer": "<string>",
      "subject": "<string>",
      "token_type": "auth0",
      "updated_at": "<string>"
    },
    "created_by_id": "<string>",
    "id": "<string>",
    "install_inputs": [
      {
        "app_input_config_id": "<string>",
        "created_at": "<string>",
        "created_by": {
          "created_at": "<string>",
          "created_by_id": "<string>",
          "email": "<string>",
          "expires_at": "<string>",
          "id": "<string>",
          "issued_at": "<string>",
          "issuer": "<string>",
          "subject": "<string>",
          "token_type": "auth0",
          "updated_at": "<string>"
        },
        "created_by_id": "<string>",
        "id": "<string>",
        "install_id": "<string>",
        "org_id": "<string>",
        "updated_at": "<string>",
        "values": {}
      }
    ],
    "org_id": "<string>",
    "updated_at": "<string>"
  },
  "app_sandbox": {
    "app_id": "<string>",
    "artifacts": {
      "cloudformation_stack_template": "<string>",
      "deprovision_policy": "<string>",
      "provision_policy": "<string>",
      "trust_policy": "<string>"
    },
    "cloud_platform": "aws",
    "connected_github_vcs_config": {
      "branch": "<string>",
      "component_config_id": "<string>",
      "component_config_type": "<string>",
      "created_at": "<string>",
      "created_by": {
        "created_at": "<string>",
        "created_by_id": "<string>",
        "email": "<string>",
        "expires_at": "<string>",
        "id": "<string>",
        "issued_at": "<string>",
        "issuer": "<string>",
        "subject": "<string>",
        "token_type": "auth0",
        "updated_at": "<string>"
      },
      "created_by_id": "<string>",
      "directory": "<string>",
      "id": "<string>",
      "repo": "<string>",
      "repo_name": "<string>",
      "repo_owner": "<string>",
      "updated_at": "<string>",
      "vcs_connection": {
        "created_at": "<string>",
        "created_by": {
          "created_at": "<string>",
          "created_by_id": "<string>",
          "email": "<string>",
          "expires_at": "<string>",
          "id": "<string>",
          "issued_at": "<string>",
          "issuer": "<string>",
          "subject": "<string>",
          "token_type": "auth0",
          "updated_at": "<string>"
        },
        "created_by_id": "<string>",
        "github_install_id": "<string>",
        "id": "<string>",
        "updated_at": "<string>",
        "vcs_connection_commit": [
          {
            "author_email": "<string>",
            "author_name": "<string>",
            "component_config_connection_id": "<string>",
            "created_at": "<string>",
            "created_by": {
              "created_at": "<string>",
              "created_by_id": "<string>",
              "email": "<string>",
              "expires_at": "<string>",
              "id": "<string>",
              "issued_at": "<string>",
              "issuer": "<string>",
              "subject": "<string>",
              "token_type": "auth0",
              "updated_at": "<string>"
            },
            "created_by_id": "<string>",
            "id": "<string>",
            "message": "<string>",
            "sha": "<string>",
            "updated_at": "<string>"
          }
        ]
      },
      "vcs_connection_id": "<string>"
    },
    "created_at": "<string>",
    "created_by": {
      "created_at": "<string>",
      "created_by_id": "<string>",
      "email": "<string>",
      "expires_at": "<string>",
      "id": "<string>",
      "issued_at": "<string>",
      "issuer": "<string>",
      "subject": "<string>",
      "token_type": "auth0",
      "updated_at": "<string>"
    },
    "created_by_id": "<string>",
    "id": "<string>",
    "org_id": "<string>",
    "public_git_vcs_config": {
      "branch": "<string>",
      "component_config_id": "<string>",
      "component_config_type": "<string>",
      "created_at": "<string>",
      "created_by": {
        "created_at": "<string>",
        "created_by_id": "<string>",
        "email": "<string>",
        "expires_at": "<string>",
        "id": "<string>",
        "issued_at": "<string>",
        "issuer": "<string>",
        "subject": "<string>",
        "token_type": "auth0",
        "updated_at": "<string>"
      },
      "created_by_id": "<string>",
      "directory": "<string>",
      "id": "<string>",
      "repo": "<string>",
      "updated_at": "<string>"
    },
    "sandbox_release": {
      "created_at": "<string>",
      "created_by": {
        "created_at": "<string>",
        "created_by_id": "<string>",
        "email": "<string>",
        "expires_at": "<string>",
        "id": "<string>",
        "issued_at": "<string>",
        "issuer": "<string>",
        "subject": "<string>",
        "token_type": "auth0",
        "updated_at": "<string>"
      },
      "created_by_id": "<string>",
      "deprovision_policy_url": "<string>",
      "id": "<string>",
      "one_click_role_template_url": "<string>",
      "provision_policy_url": "<string>",
      "trust_policy_url": "<string>",
      "updated_at": "<string>",
      "version": "<string>"
    },
    "sandbox_release_id": "<string>",
    "terraform_version": "<string>",
    "updated_at": "<string>",
    "variables": {}
  },
  "metadata": {
    "app_installer_id": "<string>",
    "community_url": "<string>",
    "created_at": "<string>",
    "created_by": {
      "created_at": "<string>",
      "created_by_id": "<string>",
      "email": "<string>",
      "expires_at": "<string>",
      "id": "<string>",
      "issued_at": "<string>",
      "issuer": "<string>",
      "subject": "<string>",
      "token_type": "auth0",
      "updated_at": "<string>"
    },
    "created_by_id": "<string>",
    "demo_url": "<string>",
    "description": "<string>",
    "documentation_url": "<string>",
    "formatted_demo_url": "<string>",
    "github_url": "<string>",
    "homepage_url": "<string>",
    "id": "<string>",
    "logo_url": "<string>",
    "name": "<string>",
    "post_install_markdown": "<string>",
    "updated_at": "<string>"
  },
  "sandbox_mode": true
}