diff --git a/charts/cert-manager-webhook-gandi/Makefile b/charts/cert-manager-webhook-gandi/Makefile
new file mode 100644
index 0000000..75ad470
--- /dev/null
+++ b/charts/cert-manager-webhook-gandi/Makefile
@@ -0,0 +1,52 @@
+OS ?= $(shell go env GOOS)
+ARCH ?= $(shell go env GOARCH)
+
+ifeq (Darwin, $(shell uname))
+	GREP_PREGEX_FLAG := E
+else
+	GREP_PREGEX_FLAG := P
+endif
+
+GO_VERSION ?= $(shell go mod edit -json | grep -${GREP_PREGEX_FLAG}o '"Go":\s+"([0-9.]+)"' | sed -E 's/.+"([0-9.]+)"/\1/')
+
+IMAGE_NAME := bwolf/cert-manager-webhook-gandi
+IMAGE_TAG := 0.2.0
+
+OUT := $(shell pwd)/_out
+
+KUBEBUILDER_VERSION=2.3.2
+
+$(shell mkdir -p "${OUT}")
+
+test: _test/kubebuilder
+	TEST_ASSET_ETCD=_test/kubebuilder/bin/etcd \
+	TEST_ASSET_KUBE_APISERVER=_test/kubebuilder/bin/kube-apiserver \
+	TEST_ASSET_KUBECTL=_test/kubebuilder/bin/kubectl \
+	go test -v .
+
+_test/kubebuilder:
+	curl -fsSL https://github.com/kubernetes-sigs/kubebuilder/releases/download/v${KUBEBUILDER_VERSION}/kubebuilder_${KUBEBUILDER_VERSION}_${OS}_${ARCH}.tar.gz -o kubebuilder-tools.tar.gz
+	mkdir -p _test/kubebuilder
+	tar -xvf kubebuilder-tools.tar.gz
+	mv kubebuilder_${KUBEBUILDER_VERSION}_${OS}_${ARCH}/bin _test/kubebuilder/
+	rm kubebuilder-tools.tar.gz
+	rm -R kubebuilder_${KUBEBUILDER_VERSION}_${OS}_${ARCH}
+
+clean: clean-kubebuilder
+
+clean-kubebuilder:
+	rm -Rf _test/kubebuilder
+
+build:
+	docker buildx build --target=image --platform=linux/amd64 --output=type=docker,name=${IMAGE_NAME}:${IMAGE_TAG} --tag=${IMAGE_NAME}:latest --build-arg=GO_VERSION=${GO_VERSION} .
+
+package:
+	helm package deploy/cert-manager-webhook-gandi -d charts/
+	helm repo index charts/ --url https://bwolf.github.io/cert-manager-webhook-gandi
+
+.PHONY: rendered-manifest.yaml
+rendered-manifest.yaml:
+	helm template \
+        --set image.repository=${IMAGE_NAME} \
+        --set image.tag=${IMAGE_TAG} \
+        deploy/cert-manager-webhook-gandi > "${OUT}/rendered-manifest.yaml"
\ No newline at end of file