lock region map on read access

main.go

@@ -82,12 +82,6 @@ func (r *RegionCounter) countRegion(region string) {
 	r.RegionCount[region] = val + 1
 }
 
-func (r *RegionCounter) getRegionCount() map[string]int {
-	r.RLock()
-	defer r.RUnlock()
-	return r.RegionCount
-}
-
 func main() {
 	regionCounter := &RegionCounter{
 		RegionCount: make(map[string]int),
@@ -167,7 +161,9 @@ func main() {
 	})
 
 	app.Get("/regions", func(c *fiber.Ctx) error {
-		return c.JSON(regionCounter.getRegionCount())
+		regionCounter.RLock()
+		defer regionCounter.RUnlock()
+		return c.JSON(regionCounter.RegionCount)
 	})
 
 	app.Listen(":8080")