Adding environment variables

docker/compose/forums/docker-compose.yml

@@ -11,26 +11,25 @@ mongo:
   container_name: mongo
   image: edxops/mongo:v2
   volumes: 
-    - /var/devstack/mongo/data:/data
+    - ${DOCKER_DATA_ROOT}/mongo/data:/data
 
 es:
   container_name: es
   image: edxops/elasticsearch:v1
   volumes:
-    - /tmp/elasticsearch/data:/es-data
+    - ${DOCKER_DATA_ROOT}/elasticsearch/data:/es-data
 
 memcache:
   container_name: memcache
   image: memcached:1.4.24
 
-
 forums:
   container_name: forums
   image: edxops/forums:opencraft
   ports:
     - 4567:4567
   volumes:
-    - /home/edward/Documents/git/edx/configuration:/edx/app/edx_ansible/edx_ansible
+    - ${DOCKER_EDX_ROOT}/configuration:/edx/app/edx_ansible/edx_ansible
 
 #nginx:
 #  build: ../build/nginx