diff --git a/README.md b/README.md
index 7cd24ed..fd56c86 100644
--- a/README.md
+++ b/README.md
@@ -19,20 +19,20 @@
 
 Run mongoDB first:
 
-    docker compose up -d db
+    docker compose -f docker-compose.dev.yml up -d db
 
-Build up :
+The db will automatically restarts by Docker.
 
-    yarn build
+Build up dependencies:
 
-Run everything (frontend, backend, db, swagger, quests):
+    yarn build:deps
+
+Run dev server (frontend, backend):
 
     yarn dev
 
 If you want to enable social login, you should have OAuth client token in a `.env` file:
 
-    docker compose --env-file .env up -d
-
 ### Build Quest Images
 
 In each quest folder, there is a `game.yml` file, which is the quest definition. And a optional `Dockerfile` to overwrite the base image. If you want to include additional files, put them in a `home` folder. The files in `home` will **not** be copied to the image automatically, you have to copy them in the `Dockerfile`.
diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index 3c98144..b35aba1 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -74,6 +74,7 @@ services:
 
   db:
     image: mongo
+    restart: always
     networks:
       - internal
     ports: