Fix: use absolute paths for build.context and volumes (relative '.' is unreliable under Dockge on TrueNAS SCALE)

compose.yaml

@@ -1,7 +1,7 @@
 services:
   truenas-mcp:
     build:
-      context: .
+      context: /mnt/ssd/apps/mcp/truenas
       dockerfile: Dockerfile
     container_name: truenas-mcp
     restart: unless-stopped
@@ -15,4 +15,4 @@ services:
       TRUENAS_ENABLE_DESTRUCTIVE_OPS: "false"
       TRUENAS_LOG_LEVEL: "INFO"
     volumes:
-      - ./config.json:/app/config.json:ro
+      - /mnt/ssd/apps/mcp/truenas/config.json:/app/config.json:ro