use go mod instead of dep

Jenkinsfile

@@ -45,8 +45,8 @@ pipeline {
                 }
             }
             steps {
-                sh './build/run make vendor.check'
-                sh './build/run make -j\$(nproc) build.all'
+                sh './build/run make vendor'
+                sh './build/run make build.all'
             }
             post {
                 always {
@@ -144,6 +144,7 @@ pipeline {
     post {
         always {
             script {
+                sh 'make -j\$(nproc) go.clean'
                 sh 'make -j\$(nproc) clean'
                 sh 'make -j\$(nproc) prune PRUNE_HOURS=48 PRUNE_KEEP=48'
                 sh 'docker images'

Makefile

@@ -32,7 +32,7 @@ GO_TEST_PARALLEL := $(shell echo $$(( $(NPROCS) / 2 )))
 GO_STATIC_PACKAGES = $(GO_PROJECT)/cmd/crossplane
 GO_LDFLAGS += -X $(GO_PROJECT)/pkg/version.Version=$(VERSION)
 GO_SUBDIRS += cmd pkg aws
--include build/makelib/golang.mk
+-include golang_with_modules.mk
 
 # ====================================================================================
 # Setup Kubebuilder

go.mod

@@ -0,0 +1,51 @@
+module github.com/crossplaneio/stack-aws
+
+go 1.12
+
+require (
+	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 // indirect
+	github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4 // indirect
+	github.com/aws/aws-sdk-go-v2 v0.5.0
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/crossplaneio/crossplane v0.0.0-20190912232140-a5489468a5b1
+	github.com/crossplaneio/crossplane-runtime v0.0.0-20190915084059-26a458d08504
+	github.com/ghodss/yaml v1.0.0
+	github.com/go-ini/ini v1.46.0
+	github.com/go-logr/zapr v0.1.1 // indirect
+	github.com/gogo/protobuf v1.2.2-0.20190723190241-65acae22fc9d // indirect
+	github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6 // indirect
+	github.com/golang/protobuf v1.3.2 // indirect
+	github.com/google/go-cmp v0.3.0
+	github.com/google/uuid v1.1.1 // indirect
+	github.com/googleapis/gnostic v0.3.0 // indirect
+	github.com/hashicorp/golang-lru v0.5.3 // indirect
+	github.com/imdario/mergo v0.3.7 // indirect
+	github.com/json-iterator/go v1.1.7 // indirect
+	github.com/onsi/ginkgo v1.9.0 // indirect
+	github.com/onsi/gomega v1.5.0
+	github.com/pborman/uuid v0.0.0-20180906182336-adf5a7427709 // indirect
+	github.com/pkg/errors v0.8.1
+	github.com/prometheus/common v0.6.0 // indirect
+	github.com/prometheus/procfs v0.0.3 // indirect
+	github.com/spf13/pflag v1.0.3 // indirect
+	github.com/stretchr/objx v0.2.0 // indirect
+	github.com/stretchr/testify v1.3.0
+	go.uber.org/atomic v1.4.0 // indirect
+	go.uber.org/zap v1.10.0 // indirect
+	golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4 // indirect
+	golang.org/x/net v0.0.0-20190724013045-ca1201d0de80
+	golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45 // indirect
+	golang.org/x/sys v0.0.0-20190804053845-51ab0e2deafa // indirect
+	golang.org/x/time v0.0.0-20190308202827-9d24e82272b4 // indirect
+	google.golang.org/appengine v1.6.1 // indirect
+	gopkg.in/alecthomas/kingpin.v2 v2.2.6
+	gopkg.in/ini.v1 v1.47.0 // indirect
+	gopkg.in/yaml.v2 v2.2.2 // indirect
+	k8s.io/api v0.0.0-20190409021203-6e4e0e4f393b
+	k8s.io/apimachinery v0.0.0-20190404173353-6a84e37a896d
+	k8s.io/client-go v11.0.1-0.20190409021438-1a26190bd76a+incompatible
+	k8s.io/klog v0.3.3 // indirect
+	k8s.io/kube-openapi v0.0.0-20190722073852-5e22f3d471e6 // indirect
+	k8s.io/utils v0.0.0-20190801114015-581e00157fb1 // indirect
+	sigs.k8s.io/controller-runtime v0.2.0
+)