diff --git a/nodebb/README.md b/nodebb/README.md
index a20ba6c..db6efb6 100644
--- a/nodebb/README.md
+++ b/nodebb/README.md
@@ -5,31 +5,49 @@ nodebb
 
 [NodeBB][1] Forum Software is powered by Node.js and built on either a Redis or MongoDB database.
 
+Read the [docs][2].
+
 ## docker-compose.yml
 
-```
+```yaml
 nodebb:
   image: vimagick/nodebb
   ports:
     - "4567:4567"
   links:
     - redis
+  volumes:
+    - ./data:/var/lib/nodebb
   restart: always
 
 redis:
   image: redis
   ports:
     - "127.0.0.1:6379:6379"
+  volumes:
+    - ./data:/data
   restart: always
 ```
 
 ## up and running
 
-```
+```bash
 $ docker-compose up -d
+$ vim data/config.json
+$ docker-compose restart nodebb
 $ firefox http://localhost:4567
 ```
 
 > Host IP or address of your Redis instance: `redis`
 
+## software upgrade
+
+```bash
+$ docker-compose pull nodebb
+$ docker-compose exec nodebb sh
+>>> ./nodebb build
+>>> exit
+```
+
 [1]: https://nodebb.org/
+[2]: https://docs.nodebb.org/en/latest/
diff --git a/nodebb/arm/docker-compose.yml b/nodebb/arm/docker-compose.yml
index 23df369..0dca217 100644
--- a/nodebb/arm/docker-compose.yml
+++ b/nodebb/arm/docker-compose.yml
@@ -4,6 +4,8 @@ nodebb:
     - "4567:4567"
   links:
     - redis
+  volumes:
+    - ./data:/var/lib/nodebb
   restart: always
 
 redis: