Application allows for smart defaults

Settings.cs

public string DbConnectionString => Environment.GetEnvironmentVariable("DB_CONNECTIONSTRING") 
    ?? _configuration.GetConnectionString("DB_CONNECTIONSTRING")
    ?? "DevelopmentEnvironmentConnectionString";
    
public string BasicAuthUserName => Environment.GetEnvironmentVariable("BASICAUTH_USERNAME") 
    ?? _configuration["BasicAuth:Username"] 
    ?? "admin";