fix: refine logging

main_test.go

@@ -1,7 +1,7 @@
 package main
 
 import (
-	"log/slog"
+	"me-fit/log"
 	"me-fit/service"
 	"me-fit/types"
 	"me-fit/utils"
@@ -142,17 +142,17 @@ func waitForReady(
 			nil,
 		)
 		if err != nil {
-			slog.Error("failed to create request: " + err.Error())
+			log.Error("failed to create request: %v", err)
 			return err
 		}
 
 		resp, err := client.Do(req)
 		if err != nil {
-			slog.Info("Error making request: " + err.Error())
+			log.Info("Error making request: %v", err)
 			continue
 		}
 		if resp.StatusCode == http.StatusOK {
-			slog.Info("Endpoint is ready!")
+			log.Info("Endpoint is ready!")
 			resp.Body.Close()
 			return nil
 		}
@@ -163,7 +163,7 @@ func waitForReady(
 			return ctx.Err()
 		default:
 			if time.Since(startTime) >= timeout {
-				slog.Error("timeout reached while waiting for endpoint")
+				log.Error("timeout reached while waiting for endpoint")
 				return types.ErrInternal
 			}
 			// wait a little while between checks