Merge pull request DSpace#1490 from tdonohue/fix_docker_compose

Docker-Compose Environment variables must be strings or numbers, not booleans

Author: tdonohue

docker/docker-compose.yml

@@ -16,11 +16,11 @@ services:
   dspace-angular:
     container_name: dspace-angular
     environment:
-      DSPACE_UI_SSL: false
+      DSPACE_UI_SSL: 'false'
       DSPACE_UI_HOST: dspace-angular
       DSPACE_UI_PORT: '4000'
       DSPACE_UI_NAMESPACE: /
-      DSPACE_REST_SSL: false
+      DSPACE_REST_SSL: 'false'
       DSPACE_REST_HOST: localhost
       DSPACE_REST_PORT: 8080
       DSPACE_REST_NAMESPACE: /server