diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..8ba800a
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,2 @@
+build-%:
+	make -C $* build
diff --git a/openldap/Makefile b/openldap/Makefile
new file mode 100644
index 0000000..1b6c858
--- /dev/null
+++ b/openldap/Makefile
@@ -0,0 +1,6 @@
+DOCKER ?= docker
+IMAGE ?= unit/slapd
+
+.PHONY: build
+build:
+	$(DOCKER) build -t $(IMAGE) .