Dockerfiles for building and pushing CORD ONOS apps

Change-Id: I8bcb39f6db6d1075a404ea869b7b0cf0af4f40c3
diff --git a/containers/cord-apps/Makefile b/containers/cord-apps/Makefile
new file mode 100644
index 0000000..191e249
--- /dev/null
+++ b/containers/cord-apps/Makefile
@@ -0,0 +1,13 @@
+IMAGE_NAME:=xosproject/cord-app-build
+CONFIG_IMAGE_NAME:=xosproject/cord-app-config
+VTN_IMAGE_NAME:=xosproject/cord-app-vtn
+NO_DOCKER_CACHE?=false
+
+.PHONY: build
+build: ; sudo docker build --no-cache=${NO_DOCKER_CACHE} --rm -t ${IMAGE_NAME} .
+
+.PHONY: config
+config: ; sudo docker build --rm -t ${CONFIG_IMAGE_NAME} -f Dockerfile.config .
+
+.PHONY: vtn
+vtn: ; sudo docker build --rm -t ${VTN_IMAGE_NAME} -f Dockerfile.vtn .