Rename docker-compose.yml.example -> docker-compose.yaml.example

docker-compose.yaml.example

@@ -6,10 +6,11 @@ services:
     image: nginx
     depends_on:
       - php
-    expose:
-      - 80
+    ports:
+      - 8080:80
     volumes:
       - ./nginx.conf:/etc/nginx/nginx.conf:ro
+      - app:/app
     restart: always 
     
   php:
@@ -18,6 +19,8 @@ services:
       - db
     expose:
       - 9000
+    volumes:
+      - app:/app
     restart: always
 
   db:
@@ -28,3 +31,6 @@ services:
       MYSQL_PASSWORD: crater
       MYSQL_DATABASE: crater
       MYSQL_ROOT_PASSWORD: crater
+
+volumes:
+  app: