Aspire user secrets not available in prod environment

{
    "$schema": "https://json.schemastore.org/launchsettings.json",
    "profiles": {
        "dev": {
            "commandName": "Project",
            "dotnetRunMessages": true,
            "launchBrowser": true,
            "applicationUrl": "https://localhost:17226;http://localhost:15203",
            "environmentVariables": {
                "ASPNETCORE_ENVIRONMENT": "Development",
                "DOTNET_ENVIRONMENT": "Development",
                "DOTNET_DASHBOARD_OTLP_ENDPOINT_URL": "https://localhost:21252",
                "DOTNET_RESOURCE_SERVICE_ENDPOINT_URL": "https://localhost:22080"
            }
        },
        "prod": {
            "commandName": "Project",
            "dotnetRunMessages": true,
            "launchBrowser": true,
            "applicationUrl": "https://localhost:17226;http://localhost:15203",
            "environmentVariables": {
                "ASPNETCORE_ENVIRONMENT": "Production",
                "DOTNET_ENVIRONMENT": "Production",
                "DOTNET_DASHBOARD_OTLP_ENDPOINT_URL": "https://localhost:21252",
                "DOTNET_RESOURCE_SERVICE_ENDPOINT_URL": "https://localhost:22080"
            }
        }
    }
}

Unhandled exception. Aspire.Hosting.DistributedApplicationException: Parameter resource could not be used because configuration key 'Parameters:postgres-username' is missing and the Parameter has no default value.

var builder = DistributedApplication.CreateBuilder(args);

var sqlPassword = builder.AddParameter("postgres-password", secret: true);
var sqlUsername = builder.AddParameter("postgres-username", secret: true);

Console.WriteLine($"{sqlUsername.Resource.Value} / {sqlPassword.Resource.Value}");