pub struct App {
    pub id: i64,
    pub name: String,
    pub org_id: i64,
    pub git_repo: Option<String>,
    pub region_id: Option<i64>,
    pub created_at: DateTime<Utc>,
    pub updated_at: DateTime<Utc>,
    pub git_branch: Option<String>,
    pub maintenance_mode: bool,
    pub container_image_url: Option<String>,
}

pub struct AppWithInstanceCount {
    #[serde(flatten)]
    app_data: App,
    instance_count: i64,
}

pub struct AppWithInstances {
    #[serde(flatten)]
    pub app: App,
    pub instances: Vec<Instance>,
}