Cache composer assets on travis

AydinHassan · AydinHassan · commit 105da5a16339 · 2018-05-08T09:32:42.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,12 +1,16 @@
 language: php
 
+cache:
+  directories:
+    - $HOME/.composer/cache/files
+
 php:
   - 7.1
   - 7.2
 
 install:
   - composer self-update
-  - composer install
+  - composer install --prefer-dist
 
 before_script:
   - mkdir -p build/logs
