updated dockers files

docker/docker-compose.yml

@@ -7,7 +7,7 @@ services:
     environment:
       DSPACE_HOST: dspace-angular
       DSPACE_NAMESPACE: /
-      DSPACE_PORT: '3000'
+      DSPACE_PORT: '4000'
       DSPACE_SSL: "false"
     image: dspace/dspace-angular:latest
     build:
@@ -16,8 +16,8 @@ services:
     networks:
       dspacenet:
     ports:
-    - published: 3000
-      target: 3000
+    - published: 4000
+      target: 4000
     - published: 9876
       target: 9876
     stdin_open: true