set environment so that coveralls send data

.ci.env

@@ -0,0 +1,2 @@
+CI=true
+TRAVIS=true

.travis.yml

@@ -5,9 +5,6 @@ language: ruby
 services:
   - docker
   
-after_success:
-- CI=true TRAVIS=true coveralls --verbose
-
 script:
   - docker-compose run web rake db:setup
-  - docker-compose run web rspec 
+  - docker-compose -e ENV_FILE=./.ci.env run web rspec 

docker-compose.yml

@@ -8,5 +8,6 @@ web:
     - elasticsearch
   environment:
     ELASTICSEARCH_URL: 'http://elasticsearch:9200'
+  env_file: ${ENV_FILE}
 elasticsearch:
   image: elasticsearch:1.7