[skip ci] update: readme deployment instructions

Signed-off-by: ngn <ngn@ngn.tf>

README.md

@@ -3,23 +3,19 @@ Soruce code of MatterLinux's security tracker, located at
 [security.matterlinux.xyz](https://security.matterlinux.xyz)
 
 ### Deployment
-Web server can be built and deployed with docker compose, here is an
-example configuration:
+Web server can be deployed with docker compose, here is an example configuration:
 ```yaml
-version: "3"
-
 services:
   security:
-    image: mattersecurity
-    restart: unless-stopped
-    build:
-      context: ./
+    container_name: mattersecurity
+    image: git.matterlinux.xyz/matter/security
     ports:
       - "127.0.0.1:9876:9876"
     volumes:
       - "./db:/app/db"
+    restart: unless-stopped
 ```
-After saving the configuration file, you can build and run the docker container:
+After saving the configuration file, you can run the docker container:
 ```bash
 docker-compose up -d
 ```