wikipedia-game-solver/apps/api/app/controllers/health/get_health_controller.ts

import { healthChecks } from "#start/health.ts"
import { middleware } from "#start/kernel.ts"
import type { HttpContext } from "@adonisjs/core/http"
import router from "@adonisjs/core/services/router"
import type { HealthCheckReport } from "@adonisjs/core/types/health"

export default class get_health_controller {
  public async handle(context: HttpContext): Promise<
    | {
        __response: HealthCheckReport
        __status: 200
      }
    | {
        __response: HealthCheckReport
        __status: 503
      }
  > {
    const report = await healthChecks.run()
    if (!report.isHealthy) {
      return context.response.serviceUnavailable(report)
    }
    return context.response.ok(report)
  }
}

router
  .get("/health", [get_health_controller])
  .use(middleware.appKeySecurity())
  .openapi({
    description: "Ensure that the application is in a healthy state.",
    tags: ["health"],
  })