fix: apply CR suggestions

Author: darkweaver87

Dockerfile

@@ -8,7 +8,8 @@
 FROM alpine:3.16.3
 RUN ["apk", "add", "--no-cache", "--repository=http://dl-cdn.alpinelinux.org/alpine/edge/community", "skopeo>=1.2.0"]
 
-COPY k8s-image-swapper /
+ARG TARGETARCH
+COPY k8s-image-swapper-$TARGETARCH /k8s-image-swapper
 
 ENTRYPOINT ["/k8s-image-swapper"]
 

cmd/root.go

@@ -63,12 +63,14 @@ A mutating webhook for Kubernetes, pointing the images to a new location.`,
 		//metricsRec := metrics.NewPrometheus(promReg)
 		log.Trace().Interface("config", cfg).Msg("config")
 
-		rClient, err := registry.NewECRClient(cfg.Target.AWS.Region, cfg.Target.AWS.EcrDomain(), cfg.Target.AWS.AccountID, cfg.Target.AWS.Role, cfg.Target.AWS.AccessPolicy, cfg.Target.AWS.LifecyclePolicy, cfg.RepositoryCustomTags)
+		rClient, err := registry.NewECRClient(cfg.Target.AWS.Region, cfg.Target.AWS.EcrDomain(), cfg.Target.AWS.AccountID, cfg.Target.AWS.Role, cfg.Target.AWS.AccessPolicy, cfg.Target.AWS.LifecyclePolicy)
 		if err != nil {
 			log.Err(err).Msg("error connecting to registry client")
 			os.Exit(1)
 		}
 
+		rClient.SetRepositoryCustomTags(cfg.RepositoryCustomTags)
+
 		imageSwapPolicy, err := types.ParseImageSwapPolicy(cfg.ImageSwapPolicy)
 		if err != nil {
 			log.Err(err)

pkg/registry/ecr.go

@@ -99,6 +99,10 @@ func (e *ECRClient) CreateRepository(name string) error {
 	return nil
 }
 
+func (e *ECRClient) SetRepositoryCustomTags(tags []config.CustomTag) {
+	e.customTags = tags
+}
+
 func (e *ECRClient) buildEcrTags() []*ecr.Tag {
 	ecrTags := []*ecr.Tag{
 		{
@@ -196,7 +200,7 @@ func (e *ECRClient) scheduleTokenRenewal() error {
 	return nil
 }
 
-func NewECRClient(region string, ecrDomain string, targetAccount string, role string, accessPolicy string, lifecyclePolicy string, ecrCustomTags []config.CustomTag) (*ECRClient, error) {
+func NewECRClient(region string, ecrDomain string, targetAccount string, role string, accessPolicy string, lifecyclePolicy string) (*ECRClient, error) {
 	var sess *session.Session
 	var config *aws.Config
 	if role != "" {
@@ -245,7 +249,6 @@ func NewECRClient(region string, ecrDomain string, targetAccount string, role st
 		targetAccount:   targetAccount,
 		accessPolicy:    accessPolicy,
 		lifecyclePolicy: lifecyclePolicy,
-		customTags:      ecrCustomTags,
 	}
 
 	if err := client.scheduleTokenRenewal(); err != nil {