COMAC-141 Add Dockerfile and Makefile for OAI images

Change-Id: Ie57d26dd05c3b7a36d82e536a08a33ef4d2920d5
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..11e9f1d
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,61 @@
+#
+# Copyright 2019-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+VERSION                  ?= $(shell cat ./VERSION)
+ENB_NAME                 ?= lte-softmodem
+UE_NAME                  ?= lte-uesoftmodem
+
+DOCKER_TAG               ?= ${VERSION}
+DOCKER_REGISTRY          ?=
+DOCKER_REPOSITORY        ?=
+DOCKER_BUILD_ARGS        ?=
+ENB_IMAGENAME            ?= ${DOCKER_REGISTRY}${DOCKER_REPOSITORY}${ENB_NAME}:${DOCKER_TAG}
+UE_IMAGENAME             ?= ${DOCKER_REGISTRY}${DOCKER_REPOSITORY}${UE_NAME}:${DOCKER_TAG}
+
+## Docker labels. Only set ref and commit date if committed
+DOCKER_LABEL_VCS_URL     ?= $(shell git remote get-url $(shell git remote))
+DOCKER_LABEL_VCS_REF     ?= $(shell git diff-index --quiet HEAD -- && git rev-parse HEAD || echo "unknown")
+DOCKER_LABEL_COMMIT_DATE ?= $(shell git diff-index --quiet HEAD -- && git show -s --format=%cd --date=iso-strict HEAD || echo "unknown" )
+DOCKER_LABEL_BUILD_DATE  ?= $(shell date -u "+%Y-%m-%dT%H:%M:%SZ")
+
+# https://docs.docker.com/engine/reference/commandline/build/#specifying-target-build-stage---target
+docker-build:
+	docker build $(DOCKER_BUILD_ARGS) \
+		--target ${ENB_NAME} \
+		--tag ${ENB_IMAGENAME} \
+		--build-arg org_label_schema_version="${VERSION}" \
+		--build-arg org_label_schema_vcs_url="${DOCKER_LABEL_VCS_URL}" \
+		--build-arg org_label_schema_vcs_ref="${DOCKER_LABEL_VCS_REF}" \
+		--build-arg org_label_schema_build_date="${DOCKER_LABEL_BUILD_DATE}" \
+		--build-arg org_opencord_vcs_commit_date="${DOCKER_LABEL_COMMIT_DATE}" \
+                .
+	docker build $(DOCKER_BUILD_ARGS) \
+		--target ${UE_NAME} \
+		--tag ${UE_IMAGENAME} \
+		--build-arg org_label_schema_version="${VERSION}" \
+		--build-arg org_label_schema_vcs_url="${DOCKER_LABEL_VCS_URL}" \
+		--build-arg org_label_schema_vcs_ref="${DOCKER_LABEL_VCS_REF}" \
+		--build-arg org_label_schema_build_date="${DOCKER_LABEL_BUILD_DATE}" \
+		--build-arg org_opencord_vcs_commit_date="${DOCKER_LABEL_COMMIT_DATE}" \
+		.
+
+docker-push:
+	docker push ${ENB_IMAGENAME}
+	docker push ${UE_IMAGENAME}
+
+test: docker-build
+
+.PHONY: docker-build docker-push test