Used a more efficient image resizing library

lib/img.go

@@ -4,35 +4,34 @@ import (
 	"bytes"
 	"errors"
 	"image"
-	_ "image/jpeg"
 	"image/png"
 	"io"
 	"mime/multipart"
 
-	"github.com/anthonynsimon/bild/transform"
+	"github.com/disintegration/imaging"
 )
 
 func ResizeImg(file multipart.File, width int, height int) ([]byte, error) {
 	// Read file content
 	fileContent, err := io.ReadAll(file)
 	if err != nil {
-		return nil, errors.New("Error reading image file")
+		return nil, errors.New("error reading image file")
 	}
 
 	// Decode image
 	img, _, err := image.Decode(bytes.NewReader(fileContent))
 	if err != nil {
 		println(err.Error())
-		return nil, errors.New("Error decoding image")
+		return nil, errors.New("error decoding image")
 	}
 
 	// Resize the image
-	resizedImg := transform.Resize(img, width, height, transform.Linear)
+	resizedImg := imaging.Resize(img, width, height, imaging.Lanczos)
 
 	// Encode the resized image as PNG
 	buf := new(bytes.Buffer)
 	if err := png.Encode(buf, resizedImg); err != nil {
-		return nil, errors.New("Error encoding image to PNG")
+		return nil, errors.New("error encoding image to PNG")
 	}
 
 	// Return the resized image as response