The purpose of the template is to show how to organize a project and prevent it from turning into spaghetti code, where to store business logic so that it remains independent, clean, and extensible, how not to lose control when a microservice grows. Configuration. First, config.yml is read, then environment variables overwrite the yaml config if they match. The config structure is in the config.go. The env-required: true tag obliges you to specify a value (either in yaml, or in environment...