Update docker building tool

Makefile

@@ -0,0 +1,95 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+
+
+export SW_ROOT := $(shell dirname $(realpath $(lastword $(MAKEFILE_LIST))))
+
+export SW_OUT:=${SW_ROOT}/dist
+
+SKIP_TEST?=false
+
+.PHONY: build.all build.agent build.backend build.ui build.docker
+
+build.all:
+	cd $(SW_ROOT) && ./mvnw clean package -Dmaven.test.skip=$(SKIP_TEST)
+
+build.agent:
+	cd $(SW_ROOT) && ./mvnw clean package -Dmaven.test.skip=$(SKIP_TEST) -Pagent,dist
+
+build.backend:
+	cd $(SW_ROOT) && ./mvnw clean package -Dmaven.test.skip=$(SKIP_TEST) -Pbackend,dist
+
+build.ui:
+	cd $(SW_ROOT) && ./mvnw clean package -Dmaven.test.skip=$(SKIP_TEST) -Pui,dist
+
+build.docker:
+	cd $(SW_ROOT) && ./mvnw clean package -Dmaven.test.skip=$(SKIP_TEST) -Pbackend,ui,dist
+
+DOCKER_BUILD_TOP:=${SW_OUT}/docker_build
+
+HUB?=skywalking
+
+TAG?=latest
+
+.SECONDEXPANSION: #allow $@ to be used in dependency list
+
+.PHONY: docker docker.all docker.oap
+
+docker: build.docker docker.all
+
+DOCKER_TARGETS:=docker.oap docker.ui
+
+docker.all: $(DOCKER_TARGETS)
+
+docker.oap: $(SW_OUT)/apache-skywalking-apm-bin.tar.gz
+docker.oap: $(SW_ROOT)/docker/oap/Dockerfile.oap
+docker.oap: $(SW_ROOT)/docker/oap/docker-entrypoint.sh
+docker.oap: $(SW_ROOT)/docker/oap/log4j2.xml
+		$(DOCKER_RULE)
+
+docker.ui: $(SW_OUT)/apache-skywalking-apm-bin.tar.gz
+docker.ui: $(SW_ROOT)/docker/ui/Dockerfile.ui
+docker.ui: $(SW_ROOT)/docker/ui/docker-entrypoint.sh
+docker.ui: $(SW_ROOT)/docker/ui/logback.xml
+		$(DOCKER_RULE)
+
+
+# $@ is the name of the target
+# $^ the name of the dependencies for the target
+# Rule Steps #
+##############
+# 1. Make a directory $(DOCKER_BUILD_TOP)/%@
+# 2. This rule uses cp to copy all dependency filenames into into $(DOCKER_BUILD_TOP/$@
+# 3. This rule then changes directories to $(DOCKER_BUID_TOP)/$@
+# 4. This rule runs $(BUILD_PRE) prior to any docker build and only if specified as a dependency variable
+# 5. This rule finally runs docker build passing $(BUILD_ARGS) to docker if they are specified as a dependency variable
+
+DOCKER_RULE=time (mkdir -p $(DOCKER_BUILD_TOP)/$@ && cp -r $^ $(DOCKER_BUILD_TOP)/$@ && cd $(DOCKER_BUILD_TOP)/$@ && $(BUILD_PRE) docker build $(BUILD_ARGS) -t $(HUB)/$(subst docker.,,$@):$(TAG) -f Dockerfile$(suffix $@) .)
+
+# for each docker.XXX target create a push.docker.XXX target that pushes
+# the local docker image to another hub
+# a possible optimization is to use tag.$(TGT) as a dependency to do the tag for us
+$(foreach TGT,$(DOCKER_TARGETS),$(eval push.$(TGT): | $(TGT) ; \
+	time (docker push $(HUB)/$(subst docker.,,$(TGT)):$(TAG))))
+
+# create a DOCKER_PUSH_TARGETS that's each of DOCKER_TARGETS with a push. prefix
+DOCKER_PUSH_TARGETS:=
+$(foreach TGT,$(DOCKER_TARGETS),$(eval DOCKER_PUSH_TARGETS+=push.$(TGT)))
+
+# Will build and push docker images.
+docker.push: $(DOCKER_PUSH_TARGETS)
+
+