diff --git a/cookbooks/colab/templates/colab.conf.erb b/cookbooks/colab/templates/colab.conf.erb
index 3f545e2..71ed34b 100644
--- a/cookbooks/colab/templates/colab.conf.erb
+++ b/cookbooks/colab/templates/colab.conf.erb
@@ -5,7 +5,7 @@ upstream colab {
 server {
   listen                *:80;
 
-  server_name           <%= node['config']['external_hostname'] %> localhost;
+  server_name           <%= node['config']['external_hostname'] %> softwarepublico.dev;
 
   access_log            /var/log/nginx/colab.access.log;
   error_log             /var/log/nginx/colab.error.log;
diff --git a/cookbooks/colab/templates/settings.yaml.erb b/cookbooks/colab/templates/settings.yaml.erb
index 5f89adc..203bcb9 100644
--- a/cookbooks/colab/templates/settings.yaml.erb
+++ b/cookbooks/colab/templates/settings.yaml.erb
@@ -35,7 +35,7 @@ BROWSERID_AUDIENCES:
   - <%= node['config']['site_url'].sub('https:', 'http:') %>
 
 ALLOWED_HOSTS:
-  - localhost # for tests
+  - softwarepublico.dev # for development/tests
   - <%= node['config']['external_hostname'] %>
 
 ## Disable indexing
--
libgit2 0.21.2