StatusController.kt

import org.springframework.stereotype.Controller
import org.springframework.ui.Model
import org.springframework.web.bind.annotation.GetMapping
import org.springframework.web.bind.annotation.RequestParam

@Controller
class StatusMapController {
    @GetMapping("/status")
    fun statusMap(model: Model, @RequestParam(defaultValue = "prod") env: String): String {
        // ....
        return "status"
    }
}