diff --git a/cmd/webhook/main.go b/cmd/webhook/main.go
index 75d524f..da9ab96 100644
--- a/cmd/webhook/main.go
+++ b/cmd/webhook/main.go
@@ -1,12 +1,13 @@
 package main
 
 import (
-	"external-dns-hetzner-webhook/internal/hetzner"
-	"external-dns-hetzner-webhook/internal/server"
 	"os"
 	"os/signal"
 	"syscall"
 
+	"external-dns-hetzner-webhook/internal/hetzner"
+	"external-dns-hetzner-webhook/internal/server"
+
 	log "github.com/sirupsen/logrus"
 	"sigs.k8s.io/external-dns/provider/webhook"
 
diff --git a/go.mod b/go.mod
index 79ef379..e3ed79e 100644
--- a/go.mod
+++ b/go.mod
@@ -6,6 +6,7 @@ toolchain go1.21.3
 
 require (
 	github.com/codingconcepts/env v0.0.0-20200821220118-a8fbf8d84482
+	github.com/golang/mock v1.6.0
 	github.com/golangci/golangci-lint v1.53.3
 	github.com/google/go-licenses v1.6.0
 	github.com/sirupsen/logrus v1.9.3
diff --git a/go.sum b/go.sum
index 0424e16..51c9699 100644
--- a/go.sum
+++ b/go.sum
@@ -267,6 +267,7 @@ github.com/golang/mock v1.4.1/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt
 github.com/golang/mock v1.4.3/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt3cw=
 github.com/golang/mock v1.4.4/go.mod h1:l3mdAwkq5BuhzHwde/uurv3sEJeZMXNpwsxVWU71h+4=
 github.com/golang/mock v1.5.0/go.mod h1:CWnOUgYIOo4TcNZ0wHX3YZCqsaM1I1Jvs6v3mP3KVu8=
+github.com/golang/mock v1.6.0 h1:ErTB+efbowRARo13NNdxyJji2egdxLGQhRaY+DUumQc=
 github.com/golang/mock v1.6.0/go.mod h1:p6yTPP+5HYm5mzsMV8JkE6ZKdX+/wYM6Hr+LicevLPs=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
diff --git a/go.work.sum b/go.work.sum
index c92b0c7..f554c21 100644
--- a/go.work.sum
+++ b/go.work.sum
@@ -1,5 +1,8 @@
+cloud.google.com/go v0.110.7 h1:rJyC7nWRg2jWGZ4wSJ5nY65GTdYJkg0cd/uXb+ACI6o=
 cloud.google.com/go v0.110.7/go.mod h1:+EYjdK8e5RME/VY/qLCAtuyALQ9q67dvuum8i+H5xsI=
+cloud.google.com/go/compute v1.23.0 h1:tP41Zoavr8ptEqaW6j+LQOnyBBhO7OkOMAGrgLopTwY=
 cloud.google.com/go/compute v1.23.0/go.mod h1:4tCnrn48xsqlwSAiLf1HXMQk8CONslYbdiEZc9FEIbM=
+cloud.google.com/go/compute/metadata v0.2.3 h1:mg4jlk7mCAj6xXp9UJ4fjI9VUI5rubuGBW5aJ7UnBMY=
 cloud.google.com/go/compute/metadata v0.2.3/go.mod h1:VAV5nSsACxMJvgaAuX6Pk2AawlZn8kiOGuCv6gTkwuA=
 code.cloudfoundry.org/gofileutils v0.0.0-20170111115228-4d0c80011a0f/go.mod h1:sk5LnIjB/nIEU7yP5sDQExVm62wu0pBh3yrElngUisI=
 github.com/Azure/azure-sdk-for-go/sdk/azcore v1.7.0/go.mod h1:bjGvMhVMb+EEm3VRNQawDMUyMMjo+S5ewNjflkep/0Q=
@@ -51,7 +54,6 @@ github.com/go-playground/validator/v10 v10.13.0/go.mod h1:dwu7+CG8/CtBiJFZDz4e+5
 github.com/go-resty/resty/v2 v2.7.0/go.mod h1:9PWDzw47qPphMRFfhsyk0NnSgvluHcljSMVIq3w7q0I=
 github.com/gofrs/uuid v4.4.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
 github.com/golang-jwt/jwt/v4 v4.5.0/go.mod h1:m21LjoU+eqJr34lmDMbreY2eSTRJ1cv77w39/MY0Ch0=
-github.com/golang/mock v1.6.0 h1:ErTB+efbowRARo13NNdxyJji2egdxLGQhRaY+DUumQc=
 github.com/google/gnostic v0.6.9/go.mod h1:Nm8234We1lq6iB9OmlgNv3nH91XLLVZHCDayfA3xq+E=
 github.com/google/go-querystring v1.1.0/go.mod h1:Kcdr2DB4koayq7X8pmAG4sNG59So17icRSOU623lUBU=
 github.com/google/s2a-go v0.1.7/go.mod h1:50CgR4k1jNlWBu4UfS4AcfhVe1r6pdZPygJ3R8F0Qdw=
@@ -128,6 +130,7 @@ go.etcd.io/etcd/client/v3 v3.5.9/go.mod h1:i/Eo5LrZ5IKqpbtpPDuaUnDOUv471oDg8cjQa
 go.mongodb.org/mongo-driver v1.11.3/go.mod h1:PTSz5yu21bkT/wXpkS7WR5f0ddqw5quethTUn9WM+2g=
 go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/ratelimit v0.3.0/go.mod h1:So5LG7CV1zWpY1sHe+DXTJqQvOx+FFPFaAs2SnoyBaI=
+golang.org/x/oauth2 v0.12.0 h1:smVPGxink+n1ZI5pkQa8y6fZT0RW0MgCO5bFpepy4B4=
 golang.org/x/oauth2 v0.12.0/go.mod h1:A74bZ3aGXgCY0qaIC9Ahg6Lglin4AMAco8cIv9baba4=
 golang.org/x/time v0.3.0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2/go.mod h1:K8+ghG5WaK9qNqU5K3HdILfMLy1f3aNYFI/wnl100a8=