diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..60f0c4c
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,64 @@
+SUDO=GOPATH=$(shell go env GOPATH) sudo --preserve-env=GOPATH
+
+PKGS := github.com/rtr7/router7/cmd/... \
+	github.com/gokrazy/breakglass \
+	github.com/stapelberg/dyndns \
+	github.com/gokrazy/timestamps \
+	github.com/stapelberg/zkj-nas-tools/wolgw \
+	github.com/gokrazy/gdns \
+	github.com/stapelberg/prober7/cmd/probe
+
+image:
+ifndef DIR
+	@echo variable DIR unset
+	false
+endif
+	go install github.com/gokrazy/tools/cmd/gokr-packer
+	GOARCH=amd64 gokr-packer \
+		-gokrazy_pkgs=github.com/gokrazy/gokrazy/cmd/ntp,github.com/gokrazy/gokrazy/cmd/randomd \
+		-kernel_package=github.com/rtr7/kernel \
+		-firmware_package=github.com/rtr7/kernel \
+		-overwrite_boot=${DIR}/boot.img \
+		-overwrite_root=${DIR}/root.img \
+		-overwrite_mbr=${DIR}/mbr.img \
+		-serial_console=ttyS0,115200n8 \
+		-hostname=router7 \
+		${PKGS}
+
+recover: #test
+	go install \
+		github.com/gokrazy/tools/cmd/gokr-packer \
+		github.com/rtr7/tools/cmd/rtr7-recover
+	GOARCH=amd64 gokr-packer \
+		-gokrazy_pkgs=github.com/gokrazy/gokrazy/cmd/ntp,github.com/gokrazy/gokrazy/cmd/randomd \
+		-kernel_package=github.com/rtr7/kernel \
+		-firmware_package=github.com/rtr7/kernel \
+		-overwrite_boot=/tmp/recovery/boot.img \
+		-overwrite_root=/tmp/recovery/root.img \
+		-serial_console=ttyS0,115200n8 \
+		-hostname=router7 \
+		${PKGS}
+	${SUDO} /home/michael/go/bin/rtr7-recover \
+		-boot=/tmp/recovery/boot.img \
+		-root=/tmp/recovery/root.img
+
+test:
+	# simulate recover (quick, for early for feedback)
+	go build ${PKGS} github.com/rtr7/tools/cmd/...
+	go test -count=1 -v -race github.com/rtr7/router7/internal/...
+	# integration tests
+	${SUDO} $(shell go env GOROOT)/bin/go test -count=1 -v -race github.com/rtr7/router7/...
+
+testdhcp:
+	go test -v -coverprofile=/tmp/cov github.com/rtr7/router7/internal/dhcp4d
+#&& go tool cover -html=/tmp/cov
+
+strace:
+	# simulate recover (quick, for early for feedback)
+	go build ${PKGS} github.com/rtr7/tools/cmd/...
+	go test -v -race github.com/rtr7/router7/internal/...
+	# integration tests
+	(cd /tmp && go test -c router7) && ${SUDO} strace -f -o /tmp/st -s 2048 /tmp/router7.test -test.v #-test.race
+
+update:
+	rtr7-safe-update -build_command='make -C ~/router7 image DIR=$GOKR_DIR'