Makefile: first cut at porting the Docker instructions

Makefile

@@ -1,7 +1,14 @@
 .PHONY: all build client static dist test clean
 
-APP=app/app
-FIXPROBE=experimental/fixprobe/fixprobe
+# If you can use Docker without being root, you can `make SUDO= <target>`
+SUDO=sudo
+
+DOCKERHUB_USER=weaveworks
+APP_EXE=app/app
+PROBE_EXE=probe/probe
+FIXPROBE_EXE=experimental/fixprobe/fixprobe
+SCOPE_IMAGE=$(DOCKERHUB_USER)/scope
+SCOPE_EXPORT=scope.tar
 
 all: build
 
@@ -17,16 +24,29 @@ static:
 
 dist: client static build
 
-test: ${APP} ${FIXPROBE}
+test: $(APP_EXE) $(FIXPROBE_EXE)
 	# app and fixprobe needed for integration tests
 	go test ./...
 
-${APP}:
+$(APP_EXE):
 	cd app && go build
 
-${FIXPROBE}:
+$(FIXPROBE_EXE):
 	cd experimental/fixprobe && go build
 
+$(PROBE_EXE):
+	cd probe && go build
+
+$(SCOPE_EXPORT): Dockerfile $(APP_EXE) $(PROBE_EXE) entrypoint.sh supervisord.conf
+	$(SUDO) docker build -t $(SCOPE_IMAGE) .
+	$(SUDO) docker save $(SCOPE_IMAGE):latest > $@
+
+docker: $(SCOPE_EXPORT)
+	docker run --privileged -d --name=scope --net=host \
+		-v /proc:/hostproc \
+		-v /var/run/docker.sock:/var/run/docker.sock \
+		$(SCOPE_IMAGE)
+
 clean:
 	go clean ./...
-
+	rm -f $(SCOPE_EXPORT)