diff --git a/backend/grady/urls.py b/backend/grady/urls.py
index 95d879bbd63467ba2d213c45201a3227139e0b78..5a75e52c268589248d4dca2f4b51c4dadcfe2dfd 100644
--- a/backend/grady/urls.py
+++ b/backend/grady/urls.py
@@ -21,5 +21,5 @@ urlpatterns = [
     url(r'^', include('core.urls')),
 
     url(r'^api-auth/', include('rest_framework.urls',
-        namespace='rest_framework')),
+                               namespace='rest_framework')),
 ]
diff --git a/backend/yarn.lock b/backend/yarn.lock
deleted file mode 100644
index ea3497394831d53bde26b826dee5f20e46a8f682..0000000000000000000000000000000000000000
--- a/backend/yarn.lock
+++ /dev/null
@@ -1,32 +0,0 @@
-# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
-# yarn lockfile v1
-
-
-ace-editor-builds@^1.2.4:
-  version "1.2.4"
-  resolved "https://registry.yarnpkg.com/ace-editor-builds/-/ace-editor-builds-1.2.4.tgz#5213874b1b23f9d79ac62d106e32970e2af3727f"
-
-bootstrap@4.0.0-beta.2:
-  version "4.0.0-beta.2"
-  resolved "https://registry.yarnpkg.com/bootstrap/-/bootstrap-4.0.0-beta.2.tgz#4d67d2aa2219f062cd90bc1247e6747b9e8fd051"
-
-datatables.net-bs4@^1.10.15:
-  version "1.10.16"
-  resolved "https://registry.yarnpkg.com/datatables.net-bs4/-/datatables.net-bs4-1.10.16.tgz#9eee67cfa8565bd3807a603a188305f7d0e20e32"
-  dependencies:
-    datatables.net "1.10.16"
-    jquery ">=1.7"
-
-datatables.net@1.10.16, datatables.net@^1.10.15:
-  version "1.10.16"
-  resolved "https://registry.yarnpkg.com/datatables.net/-/datatables.net-1.10.16.tgz#4b052d1082824261b68eed9d22741b711d3d2469"
-  dependencies:
-    jquery ">=1.7"
-
-jquery@>=1.7:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.2.1.tgz#5c4d9de652af6cd0a770154a631bba12b015c787"
-
-popper.js@^1.12.3:
-  version "1.12.5"
-  resolved "https://registry.yarnpkg.com/popper.js/-/popper.js-1.12.5.tgz#229e4dea01629e1f1a1e26991ffade5024220fa6"
diff --git a/docker-compose.yml b/docker-compose.yml
index 7a866aa4101ec33eee6009991b50b5d276f8abde..662743d97d62ecfbbfb26ed68af9d8d646c2f930 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -7,7 +7,7 @@ services:
     restart: always
 
   grady:
-    image: docker.gitlab.gwdg.de/j.michal/grady:master
+    image: docker.gitlab.gwdg.de/j.michal/grady:whitenoise
     command:
       - /bin/sh
       - -c
@@ -23,3 +23,5 @@ services:
       - default
     expose:
       - "8000"
+    ports:
+      - "8000:8000"