WORKSPACE_EXTERNAL_URL - add an document usage

helm-chart/workspace-mcp/templates/NOTES.txt

@@ -49,7 +49,7 @@
 4. Important Notes:
    - Make sure you have configured your Google OAuth credentials in the secret
    - The application requires internet access to reach Google APIs
-   - OAuth callback URL: {{ default "http://localhost" .Values.env.WORKSPACE_MCP_BASE_URI }}:{{ .Values.env.WORKSPACE_MCP_PORT }}/oauth2callback
+   - OAuth callback URL: {{ if .Values.env.WORKSPACE_EXTERNAL_URL }}{{ .Values.env.WORKSPACE_EXTERNAL_URL }}{{ else }}{{ default "http://localhost" .Values.env.WORKSPACE_MCP_BASE_URI }}:{{ .Values.env.WORKSPACE_MCP_PORT }}{{ end }}/oauth2callback
 
 For more information about the Google Workspace MCP Server, visit:
 https://github.com/taylorwilsdon/google_workspace_mcp

helm-chart/workspace-mcp/values.yaml

@@ -80,6 +80,10 @@ env:
   # For external access: "https://your-domain.com" or "http://your-ingress-host"
   WORKSPACE_MCP_BASE_URI: ""
   
+  # External URL for reverse proxy setups (e.g., "https://your-domain.com")
+  # If set, this overrides the base_uri:port combination for OAuth endpoints
+  WORKSPACE_EXTERNAL_URL: ""
+  
   # OAuth 2.1 support
   MCP_ENABLE_OAUTH21: "false"