Add configured domain to ALLOWED_HOSTS. Fixes circleci tests and our runserver. (#3918)

* Add configured domain to ALLOWED_HOSTS. Fixes circleci tests and our runserver.
* Correctly map uitests to olympia.dev

circle.yml

@@ -1,6 +1,8 @@
 machine:
   services:
     - docker
+  hosts:
+    olympia.dev: 127.0.0.1
 
 dependencies:
   override:
@@ -20,7 +22,7 @@ test:
     - docker-compose run web ./scripts/setup-docker.sh
   override:
     - tox -e ui-tests --
-      --base-url=http://127.0.0.1
+      --base-url=http://olympia.dev
       --firefox-path=firefox/firefox
       --junit-xml=$CIRCLE_TEST_REPORTS/junit.xml
       --html=$CIRCLE_ARTIFACTS/results.html

settings.py

@@ -6,6 +6,7 @@ won't be tracked in git).
 """
 import os
 import re
+from urlparse import urlparse
 
 from olympia.lib.settings_base import *  # noqa
 
@@ -71,9 +72,11 @@ ADDONS_LINTER_BIN = os.getenv(
 ES_DEFAULT_NUM_REPLICAS = 0
 
 SITE_URL = os.environ.get('OLYMPIA_SITE_URL') or 'http://localhost:8000'
-SERVICES_DOMAIN = re.sub(r'^https?:\/\/', '', SITE_URL)
+SERVICES_DOMAIN = urlparse(SITE_URL).netloc
 SERVICES_URL = SITE_URL
 
+ALLOWED_HOSTS = ALLOWED_HOSTS + [SERVICES_DOMAIN]
+
 ADDON_COLLECTOR_ID = 1
 
 # Default AMO user id to use for tasks (from users.json fixture in zadmin).