tikv: update docker compose steps

tikv/deploy-tikv-docker-compose.md

@@ -40,20 +40,29 @@ Make sure you have installed the following items on your machine:
     git clone https://github.com/pingcap/tidb-docker-compose.git
     ```
 
-2. Edit the `compose/values.yaml` file to configure `networkMode` to `host` and comment the TiDB section out.
+2. Edit the `compose/values.yaml` file to configure `networkMode` to `host`.
 
     ```bash
     cd tidb-docker-compose
-    vim compose/values.yaml
+    vim compose/values.yaml  
     ```
 
-3. Generate the `generated-docker-compose.yml` file.
+3. Edit the `compose/values.yaml` file to comment the TiDB section out.
+
+4. Change the Prometheus and Pushgateway addresses for the `host` network mode.
+
+    ```bash
+    sed -i 's/pushgateway:9091/127.0.0.1:9091/g' config/*
+    sed -i 's/prometheus:9090/127.0.0.1:9090/g' config/*
+    ```
+
+5. Generate the `generated-docker-compose.yml` file.
 
     ```bash
     helm template compose > generated-docker-compose.yml
     ```
 
-4. Create and start the cluster using the `generated-docker-compose.yml` file.
+6. Create and start the cluster using the `generated-docker-compose.yml` file.
 
     ```bash
     docker-compose -f generated-docker-compose.yml pull # Get the latest Docker images