ci: resolve travis issues

Aeneas Rekkas (arekkas) · arekkas · commit 5a4c31afaef2 · 2017-05-07T10:52:08.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -7,6 +7,7 @@ services:
 
 env:
   - DOCKER_BIND_LOCALHOST=true GO15VENDOREXPERIMENT=1
+  - DATABASE_URL=memory
 
 language: go
 
