chore: convert Chinese comments to English in Dockerfile

Author: johnhuang316

Dockerfile

@@ -1,23 +1,24 @@
-# 使用輕量 Python 映像
+# Use lightweight Python image
 FROM python:3.11-slim
 
-# 安裝 git (用於代碼分析)
+# Install git (for code analysis)
 RUN apt-get update && apt-get install -y git && rm -rf /var/lib/apt/lists/*
 
-# 設置工作目錄
+# Set working directory
 WORKDIR /app
 
-# 複製依賴清單和安裝依賴
+# Copy dependency list and install dependencies
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# 複製程式碼
+# Copy code
 COPY . .
 
-# 設置 Python 路徑
+# Set Python path
 ENV PYTHONPATH="${PYTHONPATH}:/app:/app/src"
 
-# 不需要預設的項目目錄掛載點，用戶將顯式設置項目路徑
+# No default project directory mount point needed, user will explicitly set project path
 
-# 運行 MCP 工具
+# Run MCP tool
+# MCP server uses stdio mode by default
 ENTRYPOINT ["python", "-m", "code_index_mcp.server"]