https://www.pamelaahill.com/post/step-by-step-full-stack-kotlin-part-2 Read all about using the Exposed framework for database access in a Kotlin backend!

Nice mix of Exposed and coroutines, @Pamela Hill! Note that your

hikari

init could be a bit more idiomatic:

private fun hikari(): HikariDataSource {
    val config = HikariConfig().apply {
        driverClassName = "org.h2.Driver"
        jdbcUrl = "jdbc:h2:mem:test"
        ...
    }
}