Makefile: Add integration-tests target (#177)

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

Makefile

@@ -2,7 +2,7 @@
 # WARNING: do not commit to a repository!
 -include Makefile.local
 
-.PHONY: all test cover clean images protos exes dist doc clean-doc check-doc push-multiarch-build-image license check-license format
+.PHONY: all test integration-tests cover clean images protos exes dist doc clean-doc check-doc push-multiarch-build-image license check-license format
 .DEFAULT_GOAL := all
 
 # Version number
@@ -384,6 +384,9 @@ dist/$(UPTODATE)-packages: dist $(wildcard packaging/deb/**) $(wildcard packagin
 
 endif
 
+integration-tests: cmd/mimir/$(UPTODATE)
+	go test -tags=requires_docker ./integration/...
+
 # Build both arm64 and amd64 images, so that we can test deb/rpm packages for both architectures.
 packaging/rpm/centos-systemd/$(UPTODATE): packaging/rpm/centos-systemd/Dockerfile
 	$(SUDO) docker build --platform linux/amd64 --build-arg=revision=$(GIT_REVISION) --build-arg=goproxyValue=$(GOPROXY_VALUE) -t $(IMAGE_PREFIX)$(shell basename $(@D)):amd64 $(@D)/