diff --git a/Makefile b/Makefile
index 22d6ce55..1a37f0b0 100644
--- a/Makefile
+++ b/Makefile
@@ -12,6 +12,13 @@ USE_PRELOADED_IMAGE?=
 # If set, this file will be imported in the import-osm target
 PBF_FILE?=
 
+# Local port to use with postserve
+PPORT?=8090
+export PPORT
+# Local port to use with tileserver
+TPORT?=8080
+export TPORT
+
 # Allow a custom docker-compose project name
 ifeq ($(strip $(DC_PROJECT)),)
   override DC_PROJECT:=$(notdir $(shell pwd))
@@ -56,8 +63,8 @@ help:
 	@echo " "
 	@echo "Hints for designers:"
 	@echo "  make start-maputnik                  # start Maputnik Editor + dynamic tile server [ see $(OMT_HOST):8088 ]"
-	@echo "  make start-postserve                 # start dynamic tile server                   [ see $(OMT_HOST):8090 ]"
-	@echo "  make start-tileserver                # start maptiler/tileserver-gl                [ see $(OMT_HOST):8080 ]"
+	@echo "  make start-postserve                 # start dynamic tile server                   [ see $(OMT_HOST):$(PPORT)} ]"
+	@echo "  make start-tileserver                # start maptiler/tileserver-gl                [ see $(OMT_HOST):$(TPORT) ]"
 	@echo " "
 	@echo "Hints for developers:"
 	@echo "  make                                 # build source code"
@@ -226,22 +233,22 @@ start-tileserver: init-dirs
 	@echo "***********************************************************"
 	@echo "* "
 	@echo "* Start maptiler/tileserver-gl "
-	@echo "*       ----------------------------> check $(OMT_HOST):8080 "
+	@echo "*       ----------------------------> check $(OMT_HOST):$(TPORT) "
 	@echo "* "
 	@echo "***********************************************************"
 	@echo " "
-	docker run $(DC_OPTS) -it --name tileserver-gl -v $$(pwd)/data:/data -p 8080:8080 maptiler/tileserver-gl --port 8080
+	docker run $(DC_OPTS) -it --name tileserver-gl -v $$(pwd)/data:/data -p $(TPORT):$(TPORT) maptiler/tileserver-gl --port $(TPORT)
 
 .PHONY: start-postserve
 start-postserve: start-db
 	@echo " "
 	@echo "***********************************************************"
 	@echo "* "
-	@echo "* Bring up postserve at $(OMT_HOST):8090"
+	@echo "* Bring up postserve at $(OMT_HOST):$(PPORT)"
 	@echo "*     --> can view it locally (use make start-maputnik)"
 	@echo "*     --> or can use https://maputnik.github.io/editor"
 	@echo "* "
-	@echo "*  set data source / TileJSON URL to $(OMT_HOST):8090"
+	@echo "*  set data source / TileJSON URL to $(OMT_HOST):$(PPORT)"
 	@echo "* "
 	@echo "***********************************************************"
 	@echo " "
@@ -258,7 +265,7 @@ start-maputnik: stop-maputnik start-postserve
 	@echo "* "
 	@echo "* Start maputnik/editor "
 	@echo "*       ---> go to $(OMT_HOST):8088 "
-	@echo "*       ---> set data source / TileJSON URL to $(OMT_HOST):8090"
+	@echo "*       ---> set data source / TileJSON URL to $(OMT_HOST):$(PPORT)"
 	@echo "* "
 	@echo "***********************************************************"
 	@echo " "
diff --git a/docker-compose.yml b/docker-compose.yml
index c677b432..45db0890 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -71,11 +71,11 @@ services:
 
   postserve:
     image: "openmaptiles/openmaptiles-tools:${TOOLS_VERSION}"
-    command: postserve openmaptiles.yaml --verbose
+    command: "postserve openmaptiles.yaml --verbose --port ${PPORT:-8090}"
     env_file: .env
     networks:
       - postgres_conn
     ports:
-      - "8090:8090"
+      - "${PPORT:-8090}:${PPORT:-8090}"
     volumes:
       - .:/tileset