feat: health now checks databases

api/app/v1/handler/health.go

@@ -1,7 +1,30 @@
 package handler
 
-import "github.com/gofiber/fiber/v2"
+import (
+	"context"
+	"jokes-bapak2-api/app/v1/models"
+
+	"github.com/gofiber/fiber/v2"
+)
 
 func Health(c *fiber.Ctx) error {
-	return c.SendStatus(fiber.StatusNoContent)
+	// Ping REDIS database
+	err := redis.Ping(context.Background()).Err()
+	if err != nil {
+		return c.
+			Status(fiber.StatusServiceUnavailable).
+			JSON(models.ResponseError{
+				Error: "REDIS: " + err.Error(),
+			})
+	}
+
+	_, err = db.Query(context.Background(), "SELECT \"id\" FROM \"jokesbapak2\" LIMIT 1")
+	if err != nil {
+		return c.
+			Status(fiber.StatusServiceUnavailable).
+			JSON(models.ResponseError{
+				Error: "POSTGRESQL: " + err.Error(),
+			})
+	}
+	return c.SendStatus(fiber.StatusOK)
 }