Switch to the new Digital Ocean Docker image.

config.py

@@ -127,6 +127,7 @@ class DigitalOceanConfig(object):
   DO_SSH_KEY_ID = '46986'
   DO_SSH_PRIVATE_KEY_FILENAME = 'certs/digital_ocean'
   DO_ALLOWED_REGIONS = {1, 4}
+  DO_DOCKER_IMAGE = 1341147
 
 
 class BuildNodeConfig(object):

workers/dockerfilebuild.py

@@ -85,7 +85,7 @@ def babysit_builder(request):
                                    api_key=do_api_key,
                                    name=name,
                                    region_id=regions.pop(),
-                                   image_id=1004145,  # Docker on 13.04
+                                   image_id=app.config['DO_DOCKER_IMAGE'],
                                    size_id=66,  # 512MB,
                                    backup_active=False)
     retry_command(droplet.create, [],