docker php 7 runner to avoid local segfaults

.gitlab-ci.yml

@@ -16,9 +16,14 @@ test:php5_latest:
   tags:
     - docker
 
-test:php_local:
+test:php7_latest:
+  image: localhost:5000/bokeh_php7
+  services:
+    - localhost:5000/bokeh_mysql5
   script:
-    - bash scripts/ci_data_preparation.sh $MYSQL_DATABASE localhost $MYSQL_ROOT_PASSWORD
-    - bash build.sh $MYSQL_DATABASE root $MYSQL_ROOT_PASSWORD localhost
+    - bash scripts/ci_data_preparation.sh $MYSQL_DATABASE $MYSQL_HOST $MYSQL_ROOT_PASSWORD
+    - bash build.sh $MYSQL_DATABASE root $MYSQL_ROOT_PASSWORD $MYSQL_HOST
   except:
     - tags
+  tags:
+    - docker