update phpbb

phpbb/README.md

@@ -9,14 +9,34 @@ This docker image support mysqli/postgres/sqlite3.
 If you choose sqlite3, please use `/var/www/store/phpbb.db` as dbpath.
 And it has no volumes, please use phpBB control panel to backup database.
 
+## docker-compose.yml
+
+```yaml
+phpbb:
+  image: vimagick/phpbb
+  ports:
+    - "8000:80"
+  volumes:
+    - ./data:/var/www/store
+  restart: always
+```
+
 # up and running
 
 ```bash
-# run container
+# create volume
-$ docker run -d --restart always --name phpbb -p 8000:80 vimagick/phpbb
+$ mkdir -m 777 data
 
-# setup website
+# run container
+$ docker-compose up -d
+
+# setup forum
 $ firefox http://localhost:8000/install
+
+# view database
+$ sqlite3 data/phpbb.db
+>>> .help
+>>> .quit
 ```
 
 [1]: https://www.phpbb.com/