feat: adds Location, x-amz-bucket-arn response headers in CreateBucket

Closes #1873

s3api/controllers/bucket-put.go

@@ -632,9 +632,21 @@ func (c S3ApiController) CreateBucket(ctx *fiber.Ctx) (*Response, error) {
 			Tags: body.TagSet,
 		},
 	}, updAcl)
+	if err != nil {
+		return &Response{
+			MetaOpts: &MetaOptions{
+				BucketOwner: bucketOwner.Access,
+			},
+		}, err
+	}
+
 	return &Response{
 		MetaOpts: &MetaOptions{
 			BucketOwner: bucketOwner.Access,
 		},
-	}, err
+		Headers: map[string]*string{
+			"Location":         utils.GetStringPtr("/" + bucket),
+			"x-amz-bucket-arn": utils.GetStringPtr(auth.ResourceArnPrefix + bucket),
+		},
+	}, nil
 }

s3api/controllers/bucket-put_test.go

@@ -888,12 +888,17 @@ func TestS3ApiController_CreateBucket(t *testing.T) {
 				locals: map[utils.ContextKey]any{
 					utils.ContextKeyAccount: adminAcc,
 				},
+				bucket: "my-bucket",
 			},
 			output: testOutput{
 				response: &Response{
 					MetaOpts: &MetaOptions{
 						BucketOwner: adminAcc.Access,
 					},
+					Headers: map[string]*string{
+						"Location":         utils.GetStringPtr("/my-bucket"),
+						"x-amz-bucket-arn": utils.GetStringPtr("arn:aws:s3:::my-bucket"),
+					},
 				},
 			},
 		},