diff --git a/docker/settings.py b/docker/settings.py
index c33731c..820c4bb 100644
--- a/docker/settings.py
+++ b/docker/settings.py
@@ -22,7 +22,7 @@ DATABASES = {
         'USER': os.getenv('DATABASE_USER', 'root'),
         'PASSWORD': os.getenv('DATABASE_PASSWORD', 'testingpw'),
         'HOST': os.getenv('DATABASE_HOST', 'layersdb'),
-        'PORT': '',
+        'PORT': os.getenv('DATABASE_PORT', '3306'),
     }
 }
 
@@ -65,7 +65,7 @@ MEDIA_URL = ''
 # Don't put anything in this directory yourself; store your static files
 # in apps' "static/" subdirectories and in STATICFILES_DIRS.
 # Example: "/home/media/media.lawrence.com/static/"
-STATIC_ROOT = '/usr/share/nginx/html/static/'
+STATIC_ROOT = os.getenv('STATIC_ROOT', '/usr/share/nginx/html/static/')
 
 # URL prefix for static files.
 # Example: "http://media.lawrence.com/static/"
@@ -164,6 +164,9 @@ INSTALLED_APPS = (
     'corsheaders',
 )
 
+if os.getenv('ENABLE_RRS', '0') == '1':
+    INSTALLED_APPS += ('rrs',)
+
 AUTHENTICATION_BACKENDS = [
     'axes.backends.AxesBackend',
     'django.contrib.auth.backends.ModelBackend',
