add docker compose test

.drone.yml

@@ -18,3 +18,9 @@ pipeline:
     image: fpfis/php71-build
     commands:
       - php index.php     
+
+  test-docker-compose:
+    image: docker pull docker/compose
+    commands:
+      - docker-compose up
+

docker-compose.yaml

@@ -0,0 +1,23 @@
+version: '2'
+services:
+
+  # Define a PHP webserver
+  php-webserver:
+    # Use a PHP image with apache
+    image: fpfis/php56-dev
+    # Define settings
+    environment:
+      - XDEBUG=true
+      - DOCUMENT_ROOT=/app/build
+    # Mount a local volume in the container
+    volumes:
+      - ./:/app/build
+    # Share the container port with the host
+    ports:
+      - 8080:8080 
+
+  # Define a mysql service
+  mysql:
+    image: fpfis/mysql56
+
+