diff --git a/docker-compose.yml b/docker-compose.yml
index c3371a8..0740ac0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -16,6 +16,7 @@ services:
     environment:
       DJANGO_SECRET_KEY: changeme
       DATABASE_URL: postgres://app_user:changeme@db/app_db
+      BASE_URL: "http://localhost:8000"
     build:
       context: .
       dockerfile: ./Dockerfile
diff --git a/project/settings.py b/project/settings.py
index 29e4c1a..a113108 100644
--- a/project/settings.py
+++ b/project/settings.py
@@ -21,7 +21,7 @@ WAGTAIL_SITE_NAME = "project"
 
 # Base URL to use when referring to full URLs within the Wagtail admin backend -
 # e.g. in notification emails. Don't include '/admin' or a trailing slash
-BASE_URL = 'http://example.com'
+BASE_URL = os.environ['BASE_URL']
 
 DEBUG = True
 
@@ -128,25 +128,6 @@ DATABASES = {
 }
 
 
-# Password validation
-# https://docs.djangoproject.com/en/2.0/ref/settings/#auth-password-validators
-
-AUTH_PASSWORD_VALIDATORS = [
-    {
-        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
-    },
-    {
-        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
-    },
-    {
-        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
-    },
-    {
-        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
-    },
-]
-
-
 # Internationalization
 # https://docs.djangoproject.com/en/2.0/topics/i18n/