fix again for docker

Dockerfile

@@ -1,5 +1,6 @@
 FROM python:3.13-slim
 WORKDIR /app
+ENV METALS_HOST=0.0.0.0 METALS_RELOAD=0
 COPY requirements.txt ./
 RUN pip install --no-cache-dir -r requirements.txt
 COPY . .

README.md

@@ -25,7 +25,7 @@ Default URL base: `http://127.0.0.1:8515`
 docker compose up -d --build
 ```
 
-The compose file persists `data/` and `logs/` into the project directory and keeps the candle DB bounded.
+The compose file persists `data/` and `logs/` into the project directory, binds the server to `0.0.0.0`, and keeps the candle DB bounded.
 Reload is off by default in container runs, so the poller won't trigger watcher loops.
 
 ## HTTP

docker-compose.yml

@@ -1,10 +1,12 @@
 services:
   metals-mcp:
     build: .
+    container_name: metals-mcp
     restart: unless-stopped
     ports:
       - "8515:8515"
     environment:
+      - METALS_HOST=0.0.0.0
       - METALS_PORT=8515
       - METALS_RELOAD=0
       - METALS_DATA_DIR=/app/data