diff --git a/Makefile b/Makefile
index beef22c3e..e23c3fd50 100644
--- a/Makefile
+++ b/Makefile
@@ -2,6 +2,7 @@ SHELL=bash
 
 export CONTAINER_COMMAND ?= podman
 export CONTAINER_INTERACTIVE
+export CONTAINER_PORTS
 export IN_CONTAINER ?= false
 export IN_CI ?= false
 export WATCH
@@ -144,13 +145,13 @@ well-known/.well-known:
 .PHONY: serve-backend
 serve-backend: CONTAINER_INTERACTIVE=-it
 serve-backend:
-	DEV_PORT_HTTP=`docker/backend/dev_port.pl 3000 | tee .dev-port-http` \
-	DEV_PORT_HTTPS=`docker/backend/dev_port.pl 3443 | tee .dev-port-https` \
+	DEV_PORT_HTTP=`docker/backend/dev_port.pl 3000 | tee .dev-port-http`; \
+	DEV_PORT_HTTPS=`docker/backend/dev_port.pl 3443 | tee .dev-port-https`; \
 	$(MAKE) -- --containerized---serve-dev-backend DEV_PORT_HTTP=$${DEV_PORT_HTTP} DEV_PORT_HTTPS=$${DEV_PORT_HTTPS}
 .PHONY: --serve-dev-backend
 --serve-dev-backend: start.sh
-	DEV_PORT_HTTP=`cat .dev-port-http` \
-	DEV_PORT_HTTPS=`cat .dev-port-https` \
+	DEV_PORT_HTTP=`cat .dev-port-http`; \
+	DEV_PORT_HTTPS=`cat .dev-port-https`; \
 	./start.sh
 
 .PHONY: --compile-backend
@@ -209,8 +210,9 @@ serve-database: --containerized-database
 .PHONY: --containerized-%-backend
 --containerized-%-backend: FRADRIVE_SERVICE=backend
 #--containerized-%-backend: --image-build --image-run-%-backend;
+--containerized-%-backend: CONTAINER_PORTS=-p $(DEV_PORT_HTTP):3000 -p $(DEV_PORT_HTTPS):3443
 --containerized-%-backend: --image-build
-	$(MAKE) -- --image-run-$*-backend
+	$(MAKE) -- --image-run-$*-backend 
 
 .PHONY: image-rebuild
 image-rebuild-%:
@@ -234,7 +236,7 @@ image-rebuild-%:
 	if [ "$(IN_CONTAINER)" == "true" ] ; then \
 	  $(MAKE) -- $* ; \
 	else \
-	  $(CONTAINER_COMMAND) run $(CONTAINER_INTERACTIVE) -v $(PWD):$${MOUNT_DIR} --env IN_CONTAINER=true --env FRADRIVE_MAKE_TARGET=$* fradrive/$(FRADRIVE_SERVICE) ; \
+	  $(CONTAINER_COMMAND) run $(CONTAINER_INTERACTIVE) -v $(PWD):$${MOUNT_DIR} $(CONTAINER_PORTS) --env IN_CONTAINER=true --env FRADRIVE_MAKE_TARGET=$* fradrive/$(FRADRIVE_SERVICE) ; \
 	fi
 
 ##### CONTAINER TARGETS #####