appsettings.json

{
    "Authentication": {
        "DefaultScheme": "Basic", // Optional
        "Basic": {
            "SchemeName": "Basic", // Default: Basic
            // You can set a fixed user name and password for authentication. If you have a single credential, you can just use the plain properties:
            //"NameClaimType": "user_name", // Default: http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name
            //"RoleClaimType": "user_role", // Default: http://schemas.microsoft.com/ws/2008/06/identity/claims/role
            "UserName": "marco",
            "Password": "P@$$w0rd",
            "Roles": [ "Administrator" ],
            // Otherwise, you can create an array of Credentials:
            "Credentials": [
                {
                    "UserName": "alice",
                    "Password": "Password1",
                    "Roles": [ "Administrator", "User" ]
                },
                {
                    "UserName": "bob",
                    "Password": "Password2",
                    "Roles": [ "User" ]
                }
            ]
            // You can also combine both declarations.
            // If, instead, you don't have fixed values for authentication, you can omit all these properties and
            // register an IBasicAuthenticationValidator implementation that will be used to validate the credentials.
        }
    },
    "Logging": {
        "LogLevel": {
            "Default": "Information",
            "Microsoft.AspNetCore": "Warning"
        }
    },
    "AllowedHosts": "*"
}