Configuration management in Ktor

Configuration management is a key aspect of customizing applications in Ktor, as it enables you to define and organize crucial settings, including server ports, database credentials, and API keys. Ktor, by default, searches for an application.conf file in the src/main/resources directory. We’ll be working with a file in the HOCON (Human-Optimized Config Object Notation) format, although Ktor also accommodates other formats like YAML.

HOCON is particularly effective because it offers a user-friendly approach to configuration. It is a human-readable and -writable format, designed to simplify the process of configuring applications. HOCON’s structure and syntax make it straightforward for developers to manage complex configurations, enhancing both efficiency and clarity.

This file typically includes configuration such as server port, host, and settings for various modules. You can access these configuration values in Ktor using environment...