.travis.yml in ridgepole-0.6.4 vs .travis.yml in ridgepole-0.6.5.beta

@@ -1,26 +1,36 @@
 dist: trusty
 sudo: required
 language: ruby
-cache: bundler
+cache:
+  - bundler
+  - apt
 rvm:
-  - 2.0.0
-  - 2.1.8
   - 2.2.4
   - 2.3.0
 before_install:
   - gem install bundler
+  - sudo service postgresql stop
+before_script:
+  - docker-compose up -d
+  - function mysql_ping { mysqladmin -u root -h 127.0.0.1 -ppassword ping > /dev/null 2> /dev/null; }
+  - function pg_ping { PGPASSWORD=password pg_isready -U postgres -h 127.0.0.1 > /dev/null 2> /dev/null; }
+  - for i in {1..60}; do mysql_ping && break; sleep 1; done
+  - for i in {1..60}; do pg_ping && break; sleep 1; done
 script:
-  - bundle install
   - bundle exec rake
+gemfile:
+  - gemfiles/activerecord_4.2.gemfile
+  #- gemfiles/activerecord_5.0.gemfile
 env:
   matrix:
     - ENABLE_MYSQL_AWESOME=0
     - ENABLE_MYSQL_AWESOME=1
     - POSTGRESQL=1
+services:
+  - docker
 addons:
-  postgresql: "9.4"
   apt:
     packages:
-    - mysql-server-5.6
-    - mysql-client-core-5.6
-    - mysql-client-5.6
+      - mysql-client-core-5.6
+      - mysql-client-5.6
+      - postgresql-client-9.4