diff --git a/mongo/docker-compose.yml b/mongo/docker-compose.yml
index bf85d79..eb91165 100644
--- a/mongo/docker-compose.yml
+++ b/mongo/docker-compose.yml
@@ -4,4 +4,6 @@ mongo:
   container_name: mongo
   ports:
     - "27017:27017"
+  volumes:
+    - ./data:/data/db
   restart: always
diff --git a/rocketchat/README.md b/rocketchat/README.md
new file mode 100644
index 0000000..05260d5
--- /dev/null
+++ b/rocketchat/README.md
@@ -0,0 +1,8 @@
+Rocket.Chat
+===========
+
+![](https://rocket.chat/images/default/logo--dark.svg)
+
+[Rocket.Chat][1] is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
+
+[1]: https://rocket.chat/
diff --git a/rocketchat/docker-compose.yml b/rocketchat/docker-compose.yml
index ab90b4e..8b75dbf 100644
--- a/rocketchat/docker-compose.yml
+++ b/rocketchat/docker-compose.yml
@@ -12,4 +12,6 @@ mongo:
   image: mongo
   ports:
     - "27017:27017"
+  volumes:
+    - ./data:/data/db
   restart: always