migrate the Compose file to the version 3

Author: iteman

docker-compose.yml.dist

@@ -1,11 +1,12 @@
-version: '2'
+version: '3'
 services:
-    app:
-        container_name: "phpmentors.route-based-session-configuration-bundle.app"
-        image: "phpmentors/php-app:php55"
-        volumes:
-            - ".:/var/app"
-        environment:
-            TERM: "xterm"
-            TZ: "Asia/Tokyo"
-            LANG: "ja_JP.UTF-8"
+  app:
+    build: docker
+    network_mode: bridge
+    volumes:
+      - .:/var/app
+    working_dir: /var/app
+    environment:
+      TZ: "Asia/Tokyo"
+      LANG: "ja_JP.UTF-8"
+#      PHP_INI: "docker/php.ini"

docker/Dockerfile

@@ -0,0 +1,8 @@
+FROM phpmentors/php-app:php72
+
+RUN echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections
+RUN apt-get update -y
+RUN apt-get upgrade -y
+
+# Other tools
+RUN apt-get install -y less unzip

docker/php.ini.dist

@@ -0,0 +1,4 @@
+;memory_limit=256M
+;xdebug.remote_autostart=on
+;xdebug.remote_port=9000
+;xdebug.remote_host=172.17.0.1