update agent docs

next-release.md

@@ -8,6 +8,7 @@ Main benefits:
 
 - No more exposing docker socket: drops the need of `docker-socket-proxy`
 - No more exposing app ports: fewer attack surface
+
   ```yaml
   services:
     app:
@@ -15,6 +16,7 @@ Main benefits:
       # ports: # this part is not needed on agent server
       #  - 6789
   ```
+
 - Secure: no one can connect to it except GoDoxy main server because of mTLS, plus connection is encrypted
 - Fetch info from agent server, e.g. CPU usage, Memory usage, container list, container logs, etc... (to be ready for beszel and dockge like features in WebUI)
 
@@ -25,43 +27,11 @@ Prerequisites:
 - GoDoxy main server must be running
 
 1. Create a directory for agent server, cd into it
-2. Copy `agent.compose.yml` into the directory
-3. Modify `agent.compose.yml` to set `REGISTRATION_ALLOWED_HOSTS`
-4. Run `docker-compose up -d` to start agent
-5. Follow instructions on screen to run command on GoDoxy main server
-6. Add config output to GoDoxy main server in `config.yml` under `providers.agents`
-   ```yaml
-   providers:
-     agents:
-       - 12.34.5.6:8889
-   ```
+2. Navigate to **Metrics tab** in WebUI, click **Add agent**, fill in required infomation then click **Copy docker compose**
+3. Paste the docker compose into the agent server then start it with `docker compose up -d`
 
 ### How does it work
 
-Setup flow:
-
-```mermaid
-flowchart TD
-    subgraph Agent Server
-        A[Create a directory] -->
-        B[Setup agent.compose.yml] -->
-        C[Set REGISTRATION_ALLOWED_HOSTS] -->
-        D[Run agent] -->
-        E[Wait for main server to register]
-
-        F[Respond to main server]
-        G[Agent now run in agent mode]
-    end
-    subgraph Main Server
-      E -->
-      H[Run register command] -->
-      I[Send registration request] --> F -->
-      J[Store client certs] -->
-      K[Send done request] --> G -->
-      L[Add agent to config.yml]
-    end
-```
-
 Run flow:
 
 ```mermaid