Add support for PBF tiles generated directly from postgres (#240)

* Add postserve

* Set postserve version

docker-compose.yml

@@ -4,7 +4,7 @@ volumes:
   cache:
 services:
   postgres:
-    image: "openmaptiles/postgis:2.3"
+    image: "openmaptiles/postgis:2.5"
     volumes:
     - pgdata:/var/lib/postgresql/data
     networks:
@@ -113,6 +113,16 @@ services:
       BBOX: ${BBOX}
       MIN_ZOOM: ${MIN_ZOOM}
       MAX_ZOOM: ${MAX_ZOOM}
+  postserve:
+    image: "openmaptiles/postserve:0.1"
+    env_file: .env
+    networks:
+     - postgres_conn
+    ports:
+    - "8090:8080"
+    volumes:
+     - ./build/openmaptiles.tm2source:/mapping
+
 
 networks:
   postgres_conn: