diff --git a/docker/mk/dirs.mk b/docker/mk/dirs.mk
new file mode 100644
index 0000000..53846cc
--- /dev/null
+++ b/docker/mk/dirs.mk
@@ -0,0 +1,47 @@
+#
+#   Copyright 2017 Sandvine
+#
+#   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.
+#
+
+TOPDIR=$(shell readlink -f .|sed -e 's/\/descriptor-packages\/.*//')
+TOOLS_DIR := $(TOPDIR)/tools
+
+SUBDIRS_CLEAN = $(addsuffix .clean, $(SUBDIRS))
+SUBDIRS_TEST = $(addsuffix .test, $(SUBDIRS))
+SUBDIRS_TAG = $(addsuffix .tag, $(SUBDIRS))
+
+.PHONY: $(SUBDIRS) $(SUBDIRS_CLEAN) clean test tag
+
+all: $(SUBDIRS)
+
+clean: $(SUBDIRS_CLEAN)
+
+test: $(SUBDIRS_TEST)
+
+tag: $(SUBDIRS_TAG)
+
+$(SUBDIRS_CLEAN): %.clean:
+	@$(MAKE) --no-print-directory -C $* clean
+
+$(SUBDIRS_TEST): %.test:
+	@$(MAKE) --no-print-directory -C $* test
+
+$(SUBDIRS_TAG): %.tag:
+	@$(MAKE) --no-print-directory -C $* tag 
+
+$(SUBDIRS):
+	@$(MAKE) --no-print-directory -C $@
+
+test:
+	$(TOOLS_DIR)/launch_tests.sh