Dependency Injection Blog - Load Config

DependencyInjectionApplicationConfig.kt

fun loadConfig(randomPort: Boolean = false): DependencyInjectionApplicationConfig {
    val properties = loadRuntimeProperties()

    return DependencyInjectionApplicationConfig(
            if (randomPort) 0 else requiredEnv(properties, "PORT", "5000").toInt(),
            requiredEnv(properties, "DATABASE_URL"),
            env(properties, "DATABASE_USER")
    )
}